Abstract
Background
Nutritional, epidemiological and demographic transitions have been associated with the emergence of the double burden of malnutrition globally. In Ethiopia, there has been no nationally representative investigation of trends and determinants of both underweight and overweight/obesity among urban women. This study examined the trends and determinants of underweight and overweight/obesity in urban Ethiopian women from 2000 to 2016.
Methods
Trends in the prevalence of underweight and overweight/obesity were investigated based on a series of the Ethiopia Demographic and Health Survey (EDHS) data for the years 2000 (n = 2559), 2005 (n = 1112), 2011 (n = 3569), and 2016 (n = 3106). Multivariable multinomial logistic regression was used to investigate the association between socioeconomic, demographic, behavioural, and community-level factors with underweight and overweight/obesity.
Results
The prevalence of underweight in urban Ethiopian women reduced significantly from 23.2% (95% confidence interval [CI]: 20.3, 26.3%) in 2000 to 14.8% (95% CI: 13.1, 16.7%) in 2016, while overweight/obesity increased significantly from 10.9% (95% CI: 9.1, 13.0%) in 2000 to 21.4% (95% CI: 18.2, 25.1%) in 2016. Urban women from rich households and those who had never married were less likely to be underweight. Urban women who were from wealthy households and those who attained at least secondary education were more likely to be overweight/obese. Women who were informally employed and listened to the radio were less likely to be overweight/obese compared to those who were unemployed and did not listen to the radio, respectively.
Conclusion
The prevalence of overweight/obesity increased from 2000 to 2016, with a concurrent reduction in the prevalence of underweight. Interventions aiming to reduce overweight and obesity should target urban women with higher education, those who resided in wealthier households and those who watched the television.
Keywords: Double burden of malnutrition, Underweight, Overweight, Obesity, Urban women, Ethiopia
Background
Nutritional, epidemiological and demographic transitions have been associated with the emergence of the double burden of malnutrition worldwide [1–3]. The World Health Organization (WHO) defines the double burden of malnutrition as “the coexistence of undernutrition along with overweight, obesity or diet-related non-communicable diseases (NCDs), within individuals, households, and populations, and across the life-course” [4]. Malnutrition (e.g., underweight and overweight/obesity) is associated with short- and long-term adverse consequences [5]. In early pubertal women, overweight/obesity is associated with psychosocial problems and abnormal uterine bleeding due to irregularity in the menstrual cycle from peripheral conversion of androgens to oestrogen [6–8]. For older women, overweight/obesity is associated with an increased risk of gestational diabetes and pre-eclampsia, haemorrhage, caesarean birthing, and maternal and infant death during childbirth [9, 10]. In all populations, overweight/obesity is associated with an increased risk of NCDs such as Type 2 diabetes mellitus, cardiovascular and respiratory diseases [11].
Preventing malnutrition is one of the greatest global public health challenges as a result of a complex and non-linear relationship between nutritional, demographic and epidemiological transitions [4, 12]. Globally, nearly one-third of the population is affected by at least one form of malnutrition (either underweight or overweight/obesity) [4, 13]. In 2016, more than 600 million adults were underweight, while nearly 2 billion were overweight/obese [14–16]. Evidence has shown that both underweight and overweight/obesity are higher in women compared to men [17–19]. In low- and middle-income countries (LMICs, including Ethiopia), an increase in overweight/obesity prevalence has occurred alongside the reduction in the burden of underweight, particularly in women of reproductive age group [4, 13]. The increasing burden of overweight/obesity has been attributed to a range of factors, including micro- and macro-economic growth and urbanisation [20, 21].
In Ethiopia, a sub-national study showed a reduction in the proportion of urban women with underweight [22]. Similarly, a previous national study conducted in Ethiopia based on the 2011 Ethiopia Demographic and Health Survey (EDHS) data suggested that reproductive-aged women who were older, educated, married and those who resided in wealthier households were more likely to be overweight or obese compared to their counterparts [23]. Although important, these studies have several limitations. First, the studies did not consider the most recent national data (2016 EDHS). Up-to-date information based on the most recent data is essential as this survey potentially represents the current socio-demographic and economic context of the country. Second, these studies did not investigate the national trends in the prevalence of underweight and overweight/obesity as these data can provide additional information into where progress has been made and/or where specific efforts may be required. Third, these studies did not account for confounders in the modelling, a key methodological step in assessing an association between two variables of interest [24].
Understanding the national trends and determinants of underweight and overweight/obesity among women residing in urban households can inform policy responses towards the control and prevention of malnutrition in Ethiopia. This information is particularly useful to national and international stakeholders given the current implementation of nutrition efforts in Ethiopia [25, 26] within the context of the United Nation’s Sustainable Development Goal 2.2 (SDG–2.2, end all forms of malnutrition by 2030) [27] and the Global Action Plan for the Prevention and Control of NCDs target 9 (halt the rise in obesity) [28]. Accordingly, the present study aimed to investigate the trends and determinants of underweight and overweight/obesity in urban Ethiopian women from 2000 to 2016.
Methods
Data sources
This study used the Ethiopia Demographic and Health Survey (EDHS) data for the years 2000 (n = 2559), 2005 (n = 1112), 2011 (n = 3569), and 2016 (n = 3106). The data were collected by the Central Statistical Agency (CSA) and Inner City Fund (ICF) International, with funding from the United States Agency for International Development [29] and the Government of Ethiopia [30–33]. The EDHS used a two-stage stratified cluster sampling technique to select the study participants. In stage one, after each administrative region was stratified into urban and rural strata, Enumeration Areas (EAs) were selected using a probability proportional to EA size. In stage two, a household listing operation was carried out in all of the selected EAs and a fixed number of households from each EA were selected [30–33]. All women aged 15–49 years who were permanent residents or who spend the night in the selected households the night before the survey were included in the surveys [30–35]. A weighted total sample of 10,346 women was used, with high response rates that ranged from 94.6 to 97.8%. Detailed methodological strategies used in the surveys have been described elsewhere [30–33]. The present study focused on urban women because past studies have shown that urbanisation is a contributor to the double of malnutrition [20, 21], and women are more likely to be underweight and/or overweight/obese compared to men [14].
Outcome variables
The main outcome variables were underweight and overweight/obesity, measured based on WHO adult body mass index (BMI) classification [15] and used by the Ethiopia Central Statistical Agency and ICF International [29]. BMI was defined as a woman’s weight in kilograms divided by the square of her height in meters (kg/m2). The EDHS used lightweight SECA mother scale to measure weight and Shorr measuring board to assess height [30–33]. BMI was classified into three groups:
Underweight: BMI < 18.5 kg/m2
Normal: BMI ≥ 18.5 kg/m2 and BMI ≤ 24.9 kg/m2
Overweight/obesity: BMI ≥ 25.0 kg/m2
Study variables
The study broadly categorised the study factors as socioeconomic, demographic, behavioural and community-level factors based on previous studies [36, 37]. The selected study factors are associated with underweight and overweight/obesity in reproductive-aged women in previously published studies from LMICs [22, 23, 38–41].
Socioeconomic factors included women’s highest education, women’s employment status, marital status, and household wealth status. Women’s education was classified as ‘no schooling’, ‘primary education or ‘secondary or higher education’. Women’s employment was classified as ‘no employment’, ‘formal employment’ (i.e., professional, technical, managerial, clerical, and services area workers), or ‘informal employment’ (i.e., agricultural and manual workers) [36, 42]. Marital status was classified as ‘never married’, ‘formerly married’ or ‘currently married’. The EDHS used principal components analysis (PCA) to calculate the household wealth index based on a series of variables relating to ownership of household assets such as television and bicycles; type of materials used for housing construction; and types of water source and sanitation facilities [43]. The household wealth index was classified as ‘poor’, ‘middle’ or ‘rich’, consistent with previously published studies [44, 45].
Demographic and behavioural factors included women’s age, parity, listening to the radio, reading newspapers/magazine, and watching television. Women’s age was classified as ‘15–24 years’, ‘25–34 years’ or ‘35 and above years’, and women’s parity classified as ‘none’, ‘1–4 children’ or ‘5 or more children’. Women who reported exposure to the media (radio, magazine/newspaper or television) at least once a week were classified as ‘Yes’ and those who did not were classified as ‘No’. Community-level factor (i.e. region of residence) was classified as ‘Tigray’, ‘Afar’, ‘Amhara’, ‘Oromia’, ‘Somali’, ‘Benishangul’, ‘Southern Nations Nationalities and Peoples Region (SNNPR)’, ‘Gambella’, or ‘Metropolis’ regions based on Ethiopia’s geopolitical and administrative features, consistent with the EDHS report and previously published studies [30–33, 36]. The Metropolis region included Addis Ababa and Dire Dawa city administrations, and the Harari region. Among the study participants, about 44.1% of women had no employment, and nearly half (47.1%) of them were in the 15–24 years’ age group (Additional file 1).
Statistical analysis
Preliminary analyses involved the description of the study participants by calculating frequencies and percentages of the study variables. This was followed by the estimation of the prevalence of the outcome variables (underweight and overweight/obesity) and by the selected study variables (socioeconomic, demographic, behavioural and community-level factors) in both year-specific data (2000, 2005, 2011 and 2016) and in the combined dataset. Then, percentage point change with corresponding 95% CI of the outcome variables calculated by each of the study factors to examine the changes over the EDHS years (from 2000 to 2005, from 2005 to 2011, from 2011 to 2016 and from 2005 to 2016) [Additional files 2, 3 and 4]. We used the combined dataset to increase the statistical power of the study in order to detect any association between the study factors and the outcomes, as well as to examine trends in underweight and overweight/obesity over the study period (2000–2016).
Multivariable multinomial logistic regression modelling was used to examine the association between socioeconomic, demographic, behavioural and community-level factors and (i) underweight and (ii) overweight/obesity using the normal weight group as a reference category. Specifically, socioeconomic factors were entered into the model to assess their relationship with the outcomes, with adjustment for demographic, behavioural and community-level factors (stage 1). A similar strategy was used in models of demographic factors to examine their relationship with the outcome variables, with additional adjustment for socioeconomic, behavioural and community-level factors (stage 2). Similar modelling techniques were used for the behavioural and community-level factors in the third and fourth stages (stages 3 and 4), respectively.
In the models, we adjusted for the survey years in the combined dataset, while sampling weight and clustering were accounted for in both the year-specific and combined datasets. Collinearity was checked using ‘variance inflation factor (VIF)’ but no significant results were evident in the analyses. We also estimated P for trends in each category of the study variables to assess for any convergence or divergence. Adjusted odds ratios with 95% confidence intervals (CIs) were estimated as the measure of association between study factors and outcome variables. All statistical analyses were conducted using Stata version 14.0 with ‘svy’ command to adjust for sampling weights, clustering effects and stratification, and the ‘mlogit’ function was used for the modelling.
Results
Prevalence of underweight and overweight/obesity
Over the study period (2000–2016), the highest prevalence of underweight was observed among urban women who resided in the Gambella region of Ethiopia (28.7%), followed by women from the Tigray region (28.0%). The lowest underweight prevalence was found among women from the SNNPR region (13.1%) (Table 1). During the same period, urban women aged 35–49 years had the highest prevalence of overweight/obesity (27.4%), followed by women who resided in the Somali region (23.0%). The lowest prevalence of overweight/obesity was observed among urban women aged 15–24 years of age (7.9%) (Table 2).
Table 1.
Variables | 2000 | 2005 | 2011 | 2016 | 2000–2016 | 2000–2016 |
---|---|---|---|---|---|---|
n (%) | n (%) | n (%) | n (%) | n (%) | aDiff (95% CI) | |
Socioeconomic factors | ||||||
Women’s education | ||||||
No schooling | 230 (26.4) | 55 (21.4) | 155 (20.3) | 67 (12.9) | 507 (21.0) | −13.5 (−20.1, − 6.8) |
Primary school | 121 (19.3) | 55 (19.5) | 344 (22.4) | 134 (12.7) | 653 (18.7) | −6.6 (− 11.7, − 1.5) |
Secondary and higher | 242 (22.8) | 99 (17.3) | 217 (17.1) | 259 (16.8) | 816 (18.4) | −6.0 (−10.8, − 1.1) |
Women’s employment | ||||||
No employment | 278 (25.0) | 123 (19.3) | 318 (21.2) | 226 (17.6) | 946 (20.8) | −7.4 (−13.1, − 1.6) |
Formal employment | 176 (19.0) | 58 (16.4) | 260 (18.1) | 183 (12.7) | 677 (16.3) | −6.3 (−11.5, − 1.1) |
Informal employment | 129 (26.2) | 28 (23.5) | 131 (21.5) | 50 (13.2) | 338 (21.1) | −13.0 (−22.3, − 3.6) |
Marital status | ||||||
Not married | 256 (23.6) | 113 (21.8) | 354 (23.2) | 246 (19.3) | 970 (22.0) | −4.4 (−9.1, 0.5) |
Currently married | 204 (20.5) | 53 (13.1) | 260 (16.5) | 132 (9.4) | 650 (14.8) | −11.1 (−15.3, −6.8) |
Formerly married | 132 (27.9) | 43 (22.6) | 101 (21.5) | 81,919.3) | 357 (23.0) | −8.7 (−16.5, −0.6) |
Household wealth status | ||||||
Poor | 427 (26.5) | 138 (22.4) | 48 (51.0) | 14 (12.5) | 628 (25.7) | −11.3 (−22.4, −0.2) |
Middle | 121 (18.8) | 42 (16.4) | 4 (10.7) | 14 (34.8) | 181 (18.5) | 16.3 (−9.3, 42.0) |
Rich | 4 (6.3) | 11 (10.1) | 716 (19.3) | 431 (14.6) | 1110 (16.9) | −9.9 (−13.3, −6.5) |
Toilet facility | ||||||
Unimproved | 196 (26.4) | 115 (22.1) | 477 (23.2) | 226 (14.9) | 1014 (21.0) | −11.6 (−18.0, − 5.2) |
Improved | 397 (21.8) | 87 (15.4) | 235 (15.8) | 227 (14.8) | 947 (17.5) | −7.0 (−11.8, −2.3) |
Source of drinking water | ||||||
Unimproved | 89 (24.5) | 18 (21.1) | 65 (21.3) | 85 (15.8) | 257 (19.9) | −8.7 (−15.3, −2.1) |
Improved | 504 (23.00 | 192 (18.6) | 651 (19.9) | 374 (14.6) | 1719 (19.0) | −8.4 (−12.5, −4.3) |
Demographic factors | ||||||
Women’s age | ||||||
15–24 years | 291 (23.2) | 114 (20.1) | 385 (22.2) | 255 (19.4) | 1045 (21.5) | −3.8 (−8.3, 0.7) |
25–34 years | 127 (18.5) | 53 (18.6) | 190 (17.3) | 124 (11.7) | 494 (15.8) | −6.8 (− 11.9, − 1.7) |
35–49 years | 174 (28.4) | 41 (16.1) | 141 (19.0) | 80 (10.9) | 437 (18.6) | −17.5 (−24.1, − 10.9) |
Parity | ||||||
None | 285 (23.0) | 120 (20.6) | 382 (22.1) | 288 (18.9) | 1074 (21.2) | −4.1 (−8.5, 0.4) |
1–4 children | 188 (21.4) | 59 (15.3) | 245 (16.8) | 144 (11.0) | 636 (15.8) | −10.4 (−15.2, −5.6) |
5+ children | 120 (27.1) | 29 (21.1) | 90 (23.3) | 28 (9.9) | 267 (21.4) | −17.3 (−25.7, −8.8) |
Behavioural factors | ||||||
Listening radio | ||||||
No | 165 (26.2) | 44 (20.9) | 216 (25.5) | 228 (16.8) | 653 (21.5) | −9.4 (−15.3, −3.5) |
Yes | 427 (22.2) | 165 (18.4) | 499 (18.4) | 231 (13.2) | 1322 (18.1) | −9.0 (−13.2, −4.8) |
Read magazine | ||||||
No | 354 (22.9) | 105 (19.9) | 411 (20.9) | 295 (14.2) | 1165 (19.1) | −8.7 (−12.9, −4.6) |
Yes | 239 (23.5) | 102 (17.7) | 304 (19.2) | 164 (15.9) | 809 (19.2) | −7.6 (−12.6, −2.7) |
Watch television | ||||||
No | 305 (25.2) | 71 (24.3) | 168 (22.9) | 105 (14.7) | 650 (22.0) | −10.5 (−17.0, −3.9) |
Yes | 288 (21.4) | 138 (16.9) | 548,919.3) | 354 (14.8) | 1327 (17.9) | −6.5 (−10.7, −2.5) |
Community-level factors | ||||||
Region of residence | ||||||
Tigray | 73 (33.1) | 28 (31.8) | 79 (28.4) | 55 (21.9) | 235 (28.0) | −11.1 (−19.3, −3.1) |
Afar | 5 (18.4) | 2914.2) | 11 (31.2) | 8 (23.7) | 26 (23.6) | 5.3 (−1.5, 12.1) |
Amhara | 139 (31.3) | 32 (18.2) | 219 (24.9) | 95 (14.5) | 485 (22.5) | −16.8 (−26.8, −6.8) |
Oromia | 163 (20.1) | 65 (19.2) | 169 (19.8) | 130 (16.8) | 527 (19.0) | −3.3 (−10.4, 3.9) |
Somali | 25 (52.2) | 9 (22.7) | 23 (20.1) | 12 (18.1) | 70 (25.7) | −34 (−5.3, −15.6) |
Benishangul | 6 (42.7) | 2 (35.6) | 8 (22.6) | 3 (12.3) | 19 (24.4) | −30.3 (− 38.6, −22.0) |
SNNPRb | 44 (17.4) | 15 (16.2) | 71 (14.9) | 25 (7.0) | 154 (13.1) | −10.4 (−19.7, − 1.1) |
Gambella | 4 (31.0) | 1 (16.2) | 5 (27.2) | 5 (28.9) | 15 (28.7) | −2.1 (−22.1, 17.9) |
Metropolis | 134 (18.4) | 55 (15.6) | 131 (14.9) | 125 (13.6) | 445 (15.5) | −4.8 (−7.4, −2.1) |
n (%): weighted count and proportion for each variable
aDiff indicates the point percentage change in prevalence of underweight between 2000 to 2016
bSNNPR Southern Nations Nationalities and Peoples Region
Table 2.
Variables | 2000 | 2005 | 2011 | 2016 | 2000–2016 | 2000–2016 |
---|---|---|---|---|---|---|
n (%) | n (%) | n (%) | n (%) | n (%) | aDiff (95% CI) | |
Socioeconomic factors | ||||||
Women’s education | ||||||
No schooling | 64 (7.4) | 30 (11.5) | 105 (13.7) | 95 (18.5) | 294 (12.2) | 11.1 (6.1, 16.2) |
Primary school | 64 (10.3) | 30 (10.6) | 201 (13.1) | 228 (21.7) | 523 (15.0) | 11.3 (5.1, 17.6) |
Secondary and higher | 151 (14.2) | 98 (17.2) | 228 (18.0) | 341 (22.2) | 818 (18.4) | 8.0 (3.1, 12.9) |
Women’s employment | ||||||
No employment | 109 (9.8) | 76 (12.0) | 206 (13.7) | 219 (17.1) | 610 (13.5) | 7.3 (2.9, 11.6) |
Formal employment | 133 (14.3) | 75 (21.1) | 258 (18.0) | 391 (27.2) | 857 (20.6) | 12.8 (7.1, 18.6) |
Informal employment | 37 (7.4) | 6 (5.0) | 68 (11.2) | 54 (14.3) | 165 (10.3) | 6.9 (3.5, 13.4) |
Marital status | ||||||
Not married | 88 (8.1) | 43 (8.4) | 113 (7.4) | 143 (11.2) | 388 (8.8) | 3.1 (−0.4, 6.6) |
Currently married | 144 (14.4) | 85 (21.1) | 348 (22.1) | 414 (29.4) | 992 (22.6) | 14.9 (8.3, 21.6) |
Formerly married | 47 (9.9) | 29 (15.5) | 72 (15.3) | 107 (25.5) | 256 (16.5) | 15.6 (7.7, 23.9) |
Household wealth status | ||||||
Poor | 135 (8.4) | 54 (8.8) | 3 (2.8) | 3 (2.9) | 195 (8.0) | −6.8 (−12.3, −1.3) |
Middle | 107 (16.6) | 54 (21.2) | 1 (2.1) | 162 (16.6) | −10.3 (−16.3, −4.4) | |
Rich | 8 (11.6) | 30 (27.4) | 531 (15.4) | 661 (22.4) | 1229 (18.7) | 11.8 (7.5, 16.2) |
Toilet facility | ||||||
Unimproved | 46 (6.2) | 50 (9.6) | 205 (10.0) | 216 (14.2) | 517 (10.7) | 8.0 (3.3, 12.7) |
Improved | 233 (12.8) | 102 (18.1) | 325 (21.7) | 437 (28.4) | 1096 (20.3) | 15.6 (10.6, 20.5) |
Source of drinking water | ||||||
Unimproved | 33 (9.1) | 4 (4.3) | 37 (12.1) | 66 (12.2) | 140 (10.8) | 3.1 (−4.3, 10.6) |
Improved | 246 (11.2) | 154 (15.0) | 496 (15.2) | 599 (23.4) | 1496 (16.5) | 12.1 (7.7, 16.6) |
Demographic factors | ||||||
Women’s age | ||||||
15–24 years | 85 (6.8) | 42 (7.4) | 128 (7.4) | 131 (10.0) | 386 (7.9) | 3.2 (−0.1, 6.5) |
25–34 years | 93 (13.6) | 57 (19.9) | 197 (18.0) | 260 (24.6) | 607 (19.4) | 11.1 (5.7, 16.4) |
35–49 years | 101 (16.5) | 58 (22.7) | 29 (28.1) | 274 (37.4) | 642 (27.4) | 20.9 (11.8, 30.1) |
Parity | ||||||
None | 105 (8.5) | 57 (9.7) | 145 (8.4) | 191 (12.6) | 498 (9.8) | 4.1 (0.5, 7.7) |
1–4 children | 115 (13.2) | 76 (19.5) | 309 (21.2) | 408 (31.3) | 908 (22.6) | 18.1 (12.0, 24.2) |
5+ children | 59 (13.3) | 25 (18.3) | 79 (20.5) | 65 (23.3) | 229 (18.3) | 10.0 (−0.2, 20.2) |
Behavioural factors | ||||||
Listening radio | ||||||
No | 49 (7.8) | 33 (15.9) | 130 (15.4) | 261 (19.3) | 474 (15.6) | 11.5 (6.1, 16.8) |
Yes | 230 (12.0) | 122 (13.6) | 403 (14.9) | 403 (23.0) | 1158 (15.9) | 11.1 (6.8, 15.4) |
Read magazine | ||||||
No | 157 (10.1) | 70 (13.2) | 282 (14.3) | 382 (18.4) | 890 (14.6) | 8.3 (3.9, 12.6) |
Yes | 122 (12.1) | 88 (15.3) | 251 (15.8) | 283 (27.4) | 743 (17.7) | 15.3 (10.5, 20.2) |
Watch television | ||||||
No | 87 (7.2) | 29 (9.9) | 56 (7.6) | 72 (10.1) | 244 (8.3) | 3.0 (−1.7, 7.6) |
Yes | 192 (14.3) | 129 (15.7) | 477 (16.9) | 592 (24.8) | 1390 (18.8) | 10.5 (6.0, 15.1) |
Community-level factors | ||||||
Region of residence | ||||||
Tigray | 6 (2.7) | 4 (4.5) | 24 (8.8) | 41 (16.1) | 75 (9.0) | 13.4 (7.3, 19.6) |
Afar | 4 (12.5) | 2 (18.3) | 4 (10.1) | 6 (19.0) | 16 (14.3) | 6.5 (−2.8, 15.9) |
Amhara | 34 (7.5) | 20 (11.3) | 74 (8.5) | 71 (10.7) | 198 (9.2) | 3.2 (−2.2, 8.6) |
Oromia | 87 (10.7) | 48 (14.2) | 121 (14.2) | 194 (25.1) | 451 (16.2) | 14.3 (2.5, 26.1) |
Somali | 4 (8.3) | 11 (26.1) | 31 (26.8) | 17 (25.0) | 62 (23.0) | 16.7 (7.7, 25.6) |
Benishangul | 1 (2.9) | 1 (10.8) | 3 (9.0) | 5 (20.5) | 9 (11.3) | 17.6 (11.1, 24.1) |
SNNPRb | 27 (10.7) | 10 (10.8) | 97 (20.5) | 60 (16.5) | 194 (16.4) | 5.8 (−7.8, 19.4) |
Gambella | 1 (3.8) | 1 (5.2) | 3 (13.6) | 2 (13.5) | 6 (10.9) | 9.7 (4.2, 15.1) |
Metropolis | 117 (16.1) | 62 (17.6) | 177 (20.1) | 269 (29.4) | 625 (21.7) | 13.3 (10.5, 16.0) |
n (%): weighted count and proportion for each variable
aDiff indicates the point percentage change in prevalence of underweight between 2000 to 2016
bSNNPR: Southern Nations Nationalities and Peoples Region
Trends in underweight and overweight/obesity
The proportion of underweight among urban Ethiopian women decreased significantly from 23.2% (95% confidence interval [CI]: 20.3, 26.3%) in 2000 to 14.8% (95% CI: 13.1, 16.7%) in 2016 (Fig. 1). Between 2000 to 2016, the largest decrease in underweight was observed among women who resided in the Benishangul region (Diff = − 30.3; 95% CI: − 38.6, − 22.0), followed by those aged 35–49 years (Diff = − 17.3; 95% CI: − 25.7, − 8.8) (Table 1). The prevalence of overweight/obesity increased significantly from 10.9% (95% CI: 9.1, 13.0%) in 2000 to 21.4% (95% CI: 18.2, 25.1%) in 2016 (Fig. 1). The highest increase in percentage point of overweight/obesity was found among women aged 34–49 years (Diff = 20.9; 95% CI: 11.8, 30.1), followed by those who had 1–4 live birth children (Diff = 18.1; 95% CI: 12.0, 24.2) (Table 2).
Determinants of underweight among urban Ethiopian women
Over the study period, married women had lower odds of being underweight compared to those who were never married (Adjusted Odds Ratio [AOR] = 0.63; 95% CI: 0.44, 0.91). The odds of women from wealthier households being underweight was significantly lower compared to those who were from poorer households (AOR = 0.69; 95% CI: 0.54, 0.89). Urban women who resided in Oromia (AOR = 0.62; 95% CI: 0.52, 0.86), SNNPR (AOR = 0.43; 95% CI: 0.30, 0.63), and Metropolis (AOR = 0.55; 95% CI: 0.46, 0.67) regions had lower odds of being underweight compared to those who resided in the Tigray region (Table 3).
Table 3.
Variables | 2000 | 2005 | 2011 | 2016 | 2000–2016 | P for trend |
---|---|---|---|---|---|---|
aAOR (95% CI) | aAOR (95% CI) | aAOR (95% CI) | aAOR (95% CI) | aAOR (95% CI) | ||
Socioeconomic factors | ||||||
Women’s education | ||||||
No schooling | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.005 |
Primary school | 0.86 (0.56, 1.31) | 0.97 (0.44, 2.18) | 1.27 (0.83, 1.92) | 1.00 (0.57, 1.76) | 1.00 (0.82, 1.21) | 0.115 |
Secondary and higher | 1.10 (0.69, 1.78) | 0.93 (0.43, 2.03) | 0.99 (0.68, 1.47) | 1.35 (0.77, 2.37) | 1.28 (0.94, 1.74) | 0.225 |
Women’s employment | ||||||
No employment | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.265 |
Formal employment | 0.73 (0.49, 1.08) | 0.93 (0.64, 1.36) | 0.84 (0.64, 1.11) | 0.76 (0.56, 1.04) | 0.83 (0.70, 0.97) | 0.119 |
Informal employment | 0.98 (0.50, 1.92) | 1.02 (0.61, 1.70) | 0.86 (0.57, 1.27) | 0.73 (0.44, 1.22) | 0.90 (0.69, 1.17) | 0.021 |
Marital status | ||||||
Not married | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.330 |
Currently married | 0.73 (0.42, 1.26) | 0.38 (0.17, 0.84) | 0.59 (0.24, 1.42) | 0.82 (0.45, 1.48) | 0.63 (0.44, 0.91) | 0.001 |
Formerly married | 1.12 (0.69, 1.81) | 0.90 (0.45, 1.81) | 0.74 (0.32, 1.71) | 1.77 (0.91, 3.45) | 1.05 (0.76, 1.45) | 0.132 |
Household wealth status | ||||||
Poor | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.892 |
Middle | 0.77 (0.56, 1.06) | 0.89 (0.61, 1.30) | 0.10 (0.03, 0.31) | 2.99 (0.90, 9.97) | 0.76 (0.58, 0.99) | 0.931 |
Rich | 0.25 (0.11, 0.55) | 0.52 (0.24, 1.11) | 0.29 (0.13, 0.68) | 0.74 (0.35, 1.56) | 0.69 (0.54, 0.89) | 0.001 |
Demographic factors | ||||||
Women’s age | ||||||
15–24 years | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.484 |
25–34 years | 0.94 (0.62, 1.41) | 1.37 (0.70, 2.66) | 1.10 (0.78, 1.55) | 0.88 (0.58, 1.34) | 0.99 (0.82, 1.20) | 0.028 |
35–49 years | 1.63 (0.91, 2.92) | 0.81 (0.39, 1.68) | 1.29 (0.72, 2.32) | 1.00 (0.59, 1.70) | 1.21 (0.89, 1.66) | < 0.001 |
Parity | ||||||
None | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.460 |
1–4 children | 1.06 (0.69, 1.63) | 1.12 (0.46, 2.71) | 1.15 (0.53, 2.50) | 0.77 (0.46, 1.27) | 1.03 (0.74, 1.43) | 0.010 |
5+ children | 1.12 (0.55, 2.28) | 1.79 (0.54, 5.92) | 1.34 (0.41, 4.40) | 0.67 (0.27, 1.65) | 1.23 (0.76, 1.99) | < 0.001 |
Behavioural factors | ||||||
Listening radio | ||||||
No | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.085 |
Yes | 0.77 (0.67, 1.34) | 1.03 (0.61, 1.77) | 0.65 (0.49, 0.85) | 0.67 (0.45, 0.98) | 0.64 (0.66, 0.93) | 0.038 |
Read magazine | ||||||
No | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.004 |
Yes | 1.28 (0.82, 2.00) | 1.04 (0.49, 2.20) | 1.06 (0.82, 1.37) | 1.23 (0.98, 1.53) | 1.14 (0.96, 1.34) | 0.116 |
Watch television | ||||||
No | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.005 |
Yes | 1.03 (0.79, 1.36) | 0.76 (0.50, 1.14) | 1.09 (0.82, 1.43) | 1.16 (0.61, 2.22) | 1.03 (0.84, 1.25) | 0.155 |
Community-level factor | ||||||
Region of residence | ||||||
Tigray | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.279 |
Afar | 0.61 (0.41, 0.92) | 0.44 (0.17, 1.10) | 1.09 (0.68, 1.75) | 1.21 (0.78, 1.86) | 0.91 (0.67, 1.22) | 0.009 |
Amhara | 1.00 (0.53, 1.88) | 0.47 90.23, 0.97) | 0.81 (0.39, 1.67) | 0.54 (0.32, 0.90) | 0.75 (0.51, 1.10) | 0.014 |
Oromia | 0.70 (0.42, 1.16) | 0.57 (0.25, 1.33) | 0.70 (0.45, 1.11) | 0.82 (0.56, 1.19) | 0.67 (0.52, 0.86) | 0.969 |
Somali | 3.06 (1.18, 7.89) | 0.91 (0.43, 1.93) | 0.63 (0.36, 1.11) | 0.85 (0.47, 1.53) | 1.04 (0.67, 1.63) | 0.016 |
Benishangul | 1.63 (1.04, 2.54) | 1.20 (0.32, 4.46) | 0.54 (0.29, 1.00) | 0.49 (0.20, 1.25) | 0.87 (0.63, 1.21) | 0.003 |
SNNPRb | 0.54 (0.23, 1.28) | 0.33 (0.16, 0.72) | 0.50 (0.27, 0.95) | 0.24 (0.14, 0.42) | 0.43 (0.30, 0.61) | < 0.001 |
Gambella | 1.17 (0.40, 3.38) | 0.93 (0.28, 3.15) | 0.72 (0.37, 1.43) | 1.32 (0.83, 2.08) | 1.10 (0.75, 1.63) | 0.521 |
Metropolis | 0.64 (0.42, 0.99) | 0.49 (0.28, 0.84) | 0.51 (0.34, 0.76) | 0.70 (0.54, 0.92) | 0.55 (0.46, 0.67) | 0.901 |
aAORs of socioeconomic factors were adjusted for demographic, behavioural and community level factors; AORs of demographic factors were adjusted for socioeconomic, behavioural and community level factors; AORs of behavioural factors were adjusted for socioeconomic, demographic, and community level factors; AORs of community-level factors were adjusted for socioeconomic, demographic, and behavioural factors
bSNNPR Southern Nations Nationalities and Peoples Region
Determinants of overweight/obesity among urban Ethiopian women
Between 2000 and 2016, urban women who attended secondary or higher education had higher odds of being overweight/obese compared to those who had no schooling (AOR = 1.61; 95% CI: 1.18, 2.21). The likelihood of urban women who were informally employed being overweight/obesity was significantly lower compared to those who were not employed (AOR = 0.69; 95% CI: 0.53; 0.90). Women from wealthier households were more likely to be overweight/obese compared to those who were from poorer households (AOR = 1.64; 95% CI: 1.21, 2.22). Women who listened to the radio had lower odds of being overweight/obese (AOR = 0.76; 95% CI: 0.62, 0.93) compared to those who did not listen to the radio. Women who watched television had higher odds of being overweight/obese (AOR = 2.37; 95% CI: 1.75, 3.21) compared to those who did not watch television. Women who were from Oromia (AOR = 1.95; 95% CI: 1.31, 2.91), Somali (AOR = 4.93; 95% CI: 3.24, 7.49), SNNPR (AOR = 1.89; 95% CI: 1.23, 2.90) and Metropolis (AOR = 2.35; 95% CI: 1.73, 3.21) regions were more likely to be overweight/obese compared to those who resided in the Tigray region (Table 4).
Table 4.
Variables | 2000 | 2005 | 2011 | 2016 | 2000–2016 | P for trend |
---|---|---|---|---|---|---|
aAOR (95% CI) | aAOR (95% CI) | aAOR (95% CI) | aAOR (95% CI) | aAOR (95% CI) | ||
Socioeconomic factors | ||||||
Women’s education | ||||||
No schooling | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.126 |
Primary school | 1.65 (1.02, 2.65) | 1.64 (0.89, 3.03) | 1.24 (0.84, 1.83) | 1.19 (0.86, 1.64) | 1.33 (1.06,1.68) | 0.157 |
Secondary and higher | 2.69 (1.27, 5.71) | 1.58 (0.72, 3.48) | 1.66 (1.04, 2.67) | 1.14 (0.71, 1.84) | 1.61 (1.18, 2.21) | 0.013 |
Women’s employment | ||||||
No employment | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.162 |
Formal employment | 1.26 (0.81, 1.96) | 1.31 (0.81, 2.13) | 1.02 (0.75, 1.38) | 1.42 (1.06, 1.90) | 1.23 (1.02, 1.47) | 0.044 |
Informal employment | 0.74 (0.39, 1.43) | 0.45 (0.17, 1.19) | 0.79 (0.50, 1.25) | 0.62 (0.43, 0.90) | 0.69 (0.53, 0.90) | 0.612 |
Women’s status | ||||||
Not married | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.182 |
Currently married | 1.51 (0.71, 3.23) | 2.11 (0.95, 4.69) | 2.03 (1.26, 3.26) | 2.07 (1.35, 3.18) | 1.87 (1.43, 2.46) | 0.057 |
Formerly married | 1.34 (0.54, 3.32) | 2.00 (1.03, 3.83) | 1.15 (0.51, 2.58) | 1.54 (1.05, 2.26) | 1.32 (0.94, 1.86) | 0.064 |
Household wealth status | ||||||
Poor | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.534 |
Middle | 1.43 (0.98, 2.10) | 2.97 (1.69, 5.24) | 3.12 (1.21, 8.03) | 0.94 (0.16, 5.63) | 1.46 (1.06, 1.90) | 0.008 |
Rich | 0.67 (0.31, 1.48) | 3.52 (1.83, 6.77) | 3.80 (1.97, 7.33) | 4.43 (1.82, 10.79) | 1.64 (1.21, 2.22) | 0.001 |
Demographic factors | ||||||
Women’s age | ||||||
15–24 years | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.357 |
25–34 years | 1.65 (0.90, 3.00) | 2.43 (1.47, 3.99) | 2.05 (1.34, 3.16) | 2.00 (1.33, 3.02) | 2.05 (1.63, 2.59) | 0.044 |
35–49 years | 3.50 (1.60, 7.69) | 2.53 (1.17, 5.43) | 4.64 (2.82, 7.63) | 4.35 (2.90, 6.53) | 4.47 (3.39, 5.88) | 0.115 |
Parity | ||||||
None | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.432 |
1–4 children | 0.97 (0.53, 1.77) | 0.89 (0.47, 1.67) | 1.12 (0.70, 1.78) | 1.21 (0.76, 1.94) | 1.10 (0.84, 1.44) | 0.004 |
5+ children | 0.72 (0.35, 1.47) | 1.25 (0.42, 3.77) | 0.94 (0.48, 1.87) | 0.82 (0.42, 1.61) | 0.80 (0.55, 1.17) | 0.054 |
Behavioural factors | ||||||
Listening radio | ||||||
No | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.072 |
Yes | 0.88 (0.48, 1.62) | 0.63 (0.30, 1.35) | 0.70 (0.47, 1.04) | 0.69 (0.54, 0.88) | 0.76 (0.62, 0.93) | 0.009 |
Read magazine | ||||||
No | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.541 |
Yes | 0.67 (0.42, 1.08) | 1.12 (0.64, 1.95) | 1.04 (0.78, 1.39) | 1.56 (1.14, 2.14) | 1.12 (0.93, 1.35) | < 0.001 |
Watch television | ||||||
No | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.959 |
Yes | 1.66 (0.96, 2.87) | 1.43 (0.68, 3.03) | 2.45 (1.30, 4.60) | 2.50 (1.41, 4.45) | 2.37 (1.75, 3.21) | 0.002 |
Community-level factors | ||||||
Region of residence | ||||||
Tigray | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | < 0.001 |
Afar | 4.54 (2.25, 9.15) | 3.66 (0.89, 15.01) | 1.08 (0.48, 2.45) | 1.34 (0.65, 2.78) | 1.71 (1.13, 2.60) | 0.760 |
Amhara | 1.67 (1.15, 6.18) | 3.04 (0.83, 11.19) | 0.98 (0.42, 2.28) | 0.62 (0.35, 1.11) | 1.02 (0.68, 1.52) | 0.176 |
Oromia | 4.59 (2.04, 10.33) | 3.53 (0.99, 12.45) | 1.58 (0.76, 3.27) | 1.62 (0.85, 3.10) | 1.95 (1.31, 2.91) | 0.327 |
Somali | 6.66 (1.48, 29.4) | 6.20 (2.41, 16.00) | 5.81 (2.70, 12.52) | 3.13 (1.86, 5.26) | 4.93 (3.24, 7.49) | 0.875 |
Benishangul | 1.34 (0.20, 8.91) | 4.78 (0.98, 23.24) | 1.08 (0.46, 2.52) | 1.85 (0.98, 3.50) | 1.59 (1.01, 2.48) | 0.083 |
SNNPR | 3.87 (0.94, 15.97) | 2.44 (0.78, 7.58) | 2.39 (1.17, 4.87) | 1.29 (0.73, 2.29) | 1.89 (1.23, 2.90) | 0.802 |
Gambella | 1.64 (0.64, 4.18) | 0.88 (0.26, 2.93) | 1.43 (0.56, 3.63) | 0.99 (0.56, 1.78) | 1.21 (0.76, 1.87) | 0.063 |
Metropolis | 4.20 (2.03, 8.68) | 2.45 (0.99, 6.04) | 2.15 (1.16, 3.99) | 2.14 (1.40, 3.26) | 2.35 (1.73, 3.21) | < 0.001 |
aAORs of socioeconomic factors were adjusted for demographic, behavioural and community level factors; AORs of demographic factors were adjusted for socioeconomic, behavioural and community level factors; AORs of behavioural factors were adjusted for socioeconomic, demographic, and community level factors; AORs of community-level factors were adjusted for socioeconomic, demographic, and behavioural factors
bSNNPR Southern Nations Nationalities and Peoples Region
Discussion
The prevalence of underweight in urban Ethiopian women decreased from 23.2% in 2000 to 14.8% in 2016, while overweight/obesity prevalence increased from 10.9% in 2000 to 21.4% in 2016. Factors associated with a lower likelihood of women being underweight in Urban Ethiopia included higher household wealth, never being married, and residence in Oromia, SNNPR, and Metropolis regions. Belonging to wealthier households, higher educational attainment and watching TV were associated with urban Ethiopian women being overweight/obese. Informal employment and listening to the radio were associated with a reduced likelihood of women being overweight/obese.
Evidence has shown that the relationship between household wealth and underweight and/or overweight/obesity differs across socioeconomic levels at the global, regional, national and subnational levels [22, 41, 46–49]. In LMICs, individuals from wealthy households have a higher risk of being overweight/obese compared to those from poorer households [46–49]. In the present study, women from wealthier households were more likely to be overweight/obese but less likely to be underweight compared to those who were from poorer households. These findings are similar to evidence from South Asian [18, 50] and sub-Saharan Africa countries [23, 39], which showed that wealthier women were more likely to be overweight/obese but less likely to be underweight compared to counterparts. A possible explanation for the high likelihood of urban Ethiopian women from wealthier households being overweight/obese may be due to lifestyle and dietary choices. Women from wealthier households may be less physically active and also have better healthy dietary choices (such as poor consumption of fruits and vegetables, and a higher intake of highly caloric foods) compared to those who reside in poor households [51, 52]. Our study also showed that women who were from wealthier households were less likely to be underweight compared to those from poorer households. The economic disadvantage of urban women from poorer households may explain the negative relationship between higher households’ wealth and underweight [53]. Our findings suggest that interventions to reduce overweight/obesity and NCDs and improve underweight should target women from both poor and rich households in urban Ethiopia.
Studies from high-income countries have shown that women who attained higher education had reduced risk of developing overweight/obesity compared to those with lower education [54–56]. However, in LMICs, educated women were more likely to be overweight/obese compared to those with no education [56, 57]. Our study indicated that urban women who had secondary or higher education were more likely to be overweight/obese compared to those who had no schooling. The positive association between higher educational attainment and overweight/obesity among women has also been reported in studies conducted in Ghana [39], Bangladesh [19], regional and national levels in Ethiopia [22, 23]. This relationship may be due to a range of factors. First, women in LMICs perceive overweight/obesity or ‘round body’ frame as an indicator of socioeconomic success, and this perception possibly allows women to ‘celebrate’ increasing weight gain [39, 58]. Second, it may be due to a shift from more physically active occupations (e.g. construction labour works) to less active or sedentary occupations (e.g. office works) [23, 59].
Consistent with previously published studies [60–62], the current study found that urban Ethiopian women who were employed in manual jobs had a lower risk of being overweight/obese compared to those who were not in employment. There are two likely explanations for the observed relationship between informal employment and overweight/obesity. Firstly, informally employed women are often employed in labour-intensive or physically active jobs like construction labourer, and this may be associated with negative energy balance [62]. Secondly, the limited purchasing power of women, due to lower wages from informal employment, may not allow women to purchase energy-dense or junk foods [63]. These findings suggest that health and social policy interventions for urban Ethiopian women should focus on modifiable socio-economic factors such as improvement in female education and employment opportunities to reduce the burden of overweight/obesity. Additionally, health education on physical activity and healthy dietary options are also essential given the improvement in socio-economics status of women in LMICs which may be associated with overweight/obesity among women in these settings [64, 65].
Sedentary behaviours (including watching television) and inadequate physical activity have been documented as risk factors for overweight/obesity [66, 67]. Consistent with this evidence, the present study showed that urban women who watched television had higher odds of being overweight/obese compared to those who did not watch television. Studies conducted in Ghana [39], Bangladesh [66], and Myanmar [68] have also reported the association between watching television and overweight/obesity. This finding may be related to a reduced level of physical activity among individuals as a result of increased sitting time [66, 67]. In addition, in LMICs, having a television can also be a proxy indicator for the higher socioeconomic status of women, which may increase the risk of exposure to energy-dense and junk foods [51, 52]. Urban women who listened to the radio were less likely to be overweight/obese compared to that not-listened radio. It is possible that urban Ethiopian women who resided in poorer households or urban slums were more likely to listen to the radio compared to those who were from wealthy households. Past studies have suggested that health promotion through electronic media (such as radio and television) showed improvement in the awareness of dietary habits and active lifestyle of women [69, 70]. The use of electronic media for improving physical activity and healthy dietary choices of urban Ethiopian women is warranted.
This study has limitations. First, this study used cross-sectional data which presents difficulty in establishing a temporal association between the study factors and the outcome measures. Nevertheless, the observed associations are consistent with cohort [71] and cross-sectional studies from LMICs [23, 39, 66, 68]. Second, the study was limited by the non-availability of data on key confounders such as dietary intake, length of time in watching TV, physical activity and total energy expenditure of the urban women, as the EDHS did not collect information on these variables. Third, the study factors were measured based on self-report questionnaires is a source of measurement bias which may either over- or under-estimate the measure of association between the study factors and outcome variables. Despite the above limitations, the present study provides nationally representative data on underweight and overweight/obesity in Ethiopia. The use of a standardized questionnaire is a strength of the current study as it improves the internal validity, as well as the accuracy of the estimated measure of association.
Conclusion
The present study shows that the prevalence of underweight among urban Ethiopian women improved from 23.2% in 2000 to 14.8% in 2016, while overweight/obesity prevalence increased from 10.9 to 21.4% over the same period. Key modifiable factors negatively associated with underweight included women who resided in wealthy households and never married, while the factors associated with overweight/obesity were residence in rich households and higher education attainment. Women who were informally employed and listened to the radio were less likely to be overweight/obese. Locally-relevant policy and interventions should not only target improvement in the socioeconomic status of Ethiopian women but should also focus on the education of women around the benefits of regular physical activity and healthy dietary choices.
Supplementary information
Acknowledgements
The authors are grateful to Measure DHS, ICF International, Rockville, MD, USA, for providing the data for analysis.
Abbreviations
- BMI
Body mass index
- CI
Confidence interval
- CSA
Central Statistics Agency
- DHS
Demographic and Health Survey
- EA
Enumeration Areas
- EDHS
Ethiopian Demographic and Health Survey
- ICF
Inner City Fund
- LMICs
Lower and Middle income Countries
- NCD
Non-communicable diseases
- NRERC
National Research Ethics Review Committee
- OR
Odds ratio
- SDG
Sustainable Development Goals
- SNNPR
Southern Nations Nationalities and Peoples Regions
- USAID
United States Agency for International Development
- WHO
World Health Organization
Authors’ contributions
KYA conceptualised the study, obtained and analysed the data, drafted the manuscript, interpreted the results and critically revised the manuscript. SA contributed to the conception of the idea and interpretation of the data. AP, AA, SS, FT, CN, TY, EA, DYG and AS reviewed the manuscript and provided comments during the manuscript write-up. FAO contributed to the drafting, analysis, and interpretation of the data and critically revised the manuscript. All authors read and approved the manuscript.
Funding
This study received no grant from any funding agency in public, commercial or not for profit sectors.
Availability of data and materials
The analysis was based on the datasets collected as the Ethiopian Demographic Health Survey. Information on the data and content can be accessed at https://dhsprogram.com/data/available-datasets.cfm.
Ethics approval and consent to participate
The survey was conducted after ethical approval was obtained from the National Research Ethics Review Committee (NRERC) in Ethiopia. Permission from each administrative offices was granted before the surveys were conducted. During the survey, written informed consent for adults (16 years and above) and parental informed consent for those aged less than 16 years were obtained before the commencement of data collection. For this study, the dataset was obtained after online submission of the proposal to MEASURE DHS/ICF website.
Consent for publication
“Not applicable”
Competing interests
FAO and AA are an Editorial Board Member (Associate Editor) of BMC Public Health. The other authors declare that they have no competing interests.
Footnotes
Publisher’s Note
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Contributor Information
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Supplementary information
Supplementary information accompanies this paper at 10.1186/s12889-020-09345-6.
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Associated Data
This section collects any data citations, data availability statements, or supplementary materials included in this article.
Supplementary Materials
Data Availability Statement
The analysis was based on the datasets collected as the Ethiopian Demographic Health Survey. Information on the data and content can be accessed at https://dhsprogram.com/data/available-datasets.cfm.