Table 2.
(A) Characteristics of the quantitative studies on factors influencing the dietary behaviour of pregnant women; (B) characteristics of the mixed-methods studies and qualitative studies on the factors influencing the dietary behaviour of pregnant women.
| (A) | |||||||||
| Author | Publication Year | Region | Setting | Method of Data Collection | Age (Years) | Sample Size (n) | Sampling | ||
| Abute et al. [27] | 2020 | SNNPR | Rural and urban | Structured interviews | 18–36 | 618 | Simple random sampling | ||
| Alemayehu et al. [28] | 2015 | Amhara | Urban | Structured interviews | 15–41 | 574 | Cluster random sampling | ||
| Aliwo et al. [4] | 2019 | Amhara | Rural | Structured interviews | 17–≥35 | 647 | Cluster and simple random sampling | ||
| Ambaw et al. [29] | 2021 | Amhara | Urban | Structured interviews | 18–49 | 422 | Systematic random sampling | ||
| Belay et al. [30] | 2022 | Amhara | Rural and urban | Structured interviews | ≤19–≥30 | 615 | Simple random sampling | ||
| Delil et al. [31] | 2021 | SNNPR | Urban | Structured interviews | <25–≥35 | 303 | Simple random sampling | ||
| Desta et al. [32] | 2019 | Oromia | Urban | Structured interviews | <25–44 | 312 | Systematic random sampling | ||
| Diddana [33] | 2019 | Amhara | Urban | Structured interviews | 18–35 and above | 604 | Two-stage sampling | ||
| Fite et al. [34] | 2022 | Oromia | Rural | Structured interviews | 16–36 | 448 | Simple random sampling | ||
| Fite et al. [35] | 2022 | Oromia | Rural | Structured interviews | 16–37 | 448 | Simple random sampling | ||
| Girma et al. [5] | 2022 | SNNPR | Rural and urban | Structured and semi-structured interviews | 16–≥35 | 566 | Systematic random sampling | ||
| Hailu et al. [36] | 2019 | Oromia | Rural and urban | Structured interviews | <30 and ≥30 | 413 | Systematic random sampling | ||
| Handiso [37] | 2015 | SNNPR | Rural | Structured interviews | 19–49 | 605 | Two-stage cluster sampling | ||
| Jemal et al. [38] | 2019 | Tigray | Urban | Structured interviews | 18–49 | 412 | Systematic sampling | ||
| Kebekde et al. [39] | 2022 | Addis Ababa | Urban | Structured interviews | <24≥35 | 320 | Simple random sampling | ||
| Mengie et al. [40] | 2022 | Somali | Rural and urban | Structured interviews | 15–>34 | 636 | Cluster sampling technique | ||
| Nana et al. [41] | 2018 | Amhara | Urban | Structured interviews | 19–<35 | 616 | Cluster sampling | ||
| Nigussie et al. [42] | 2022 | Dire Dawa | Rural and urban | Structured interviews | <19>30 | 448 | Simple random technique | ||
| Shemsu et al. [43] | 2020 | Oromia | Urban | Semi-structured interviews | 15–49 | 378 | Systematic random sampling | ||
| Tale et al. [44] | 2020 | Tigray | Urban | Semi-structured interviews | >20 | 332 | Stratified random sampling | ||
| Tariku et al. [44] | 2022 | SNNPR | Rural | Structured interviews | Not stated | 367 | Cluster sampling | ||
| Tesfa et al. [45] | 2021 | Addis Ababa | Urban | Structured interviews | 18–45 | 336 | Systematic random sampling | ||
| Tenaw et al. [46] | 2018 | Addis Ababa | Urban | interviews | 15–44 | 322 | Systematic sampling techniques | ||
| Tilahun et al. [47] | 2021 | SNNPR | Rural and urban | Structured and semi-structured interviews | 16–≥35 | 274 | Systematic random sampling | ||
| Tsegaye et al. [8] | 2020 | Oromia | Rural | Structured interviews | ≤24–≥35 | 403 | Multistage clustered sampling | ||
| Yalewdeg et al. [48] | 2020 | SNNPR | Rural | Structured and semi-structured interviews | 15–49 | 351 | Lottery method | ||
| Yeneabat et al. [49] | 2019 | Amhara | Rural and urban | Structured interviews | 18–40 | 834 | Multistage sampling technique | ||
| Zepro [50] | 2015 | Oromia | Rural | Structured interviews | 195–<35 | 295 | Systematic sampling | ||
| (B) | |||||||||
| Author | Publication Year | Region | Setting | Method of Data Collection | Population | Age (Years) |
Sample Size (n)
Quan. Qual. |
Sampling | |
| Daba et al. [51] | 2013 | Oromia | Rural and urban | Semi-structured questionnaire and focus group discussions | Pregnant women | 15–≥44 | 422 | 12 Key informants 2 FGDs |
Systematic sampling and purposive sampling |
| Demilew et al. [20] | 2020 | Amhara | Rural | Structured questionnaires, focus group discussions and interviews | Mothers, husbands, and health professionals | <20–35 Qual. 25 to 55 | 712 | 43 Key informants 3 FGDs involving 6–12 participants |
Cluster sampling technique and purposive sampling |
| Geta et al. [52] | 2022 | SNNPR | Rural and urban | Structured questionnaire | Pregnant women, health extension workers and women’s development army | 684 | 55 Key informants 3 FGDs |
Multistage cluster sampling and purposive sampling | |
| Gudeta et al. [53] | 2022 | SNNPR | Rural and urban | Structured questionnaire | Pregnant mothers, husbands, and health professionals) | <25 and >35 | 726 | 40 Key informants 3 FGDs |
Multistage cluster sampling and purposive sampling |
| Tolera et al. [54] | 2018 | Oromia | Rural | Structured questionnaires, FGD | Pregnant mothers | 18–36 | 343 | 15 Key informants 2 FGDs |
Simple random sampling technique |
| Wondmeneh [55] | 2022 | Afar | Rural and urban | Structured questionnaires | Pregnant mothers | ≤20–31 | 241 | 38 Key informants 6 FGDs |
Systematic sampling technique and purposive sampling |
| Hadush et al. [56] | 2017 | Afar | Rural and urban | FGDs and in-depth interviews (IDIs) | Pregnant women, lactating mothers and elderly women | 21–66 | 29 Key informants 4 FGD (6 to 8 homogeneous participants |
Purposive sampling | |
| Tsegaye et al. [57] | 2021 | Oromia | Rural | Focus group discussions; in-depth interviews | Health care providers, health extension workers, elders (mothers-in-law), husbands of pregnant women | 20–63 | 79 Key informants 8 FGDs (8–10 participants) |
Purposive sampling | |
| Zerfu et al. [58] | 2016 | Oromia | Rural | Open-ended questions, focus group discussions | Pregnant women and their husbands | 23–92 | 38 Key informants 8 FGDs (8–10 participants) |
Purposive sampling | |