TABLE 1.
Weighted sample size, adherence rate to iron supplementation, and multivariable-adjusted Prevalence Ratio by country and survey year (N = 148,528)
| Sample size, | Iron adherence ≥90 d, | Multivariable-adjusted analysis, | |||
|---|---|---|---|---|---|
| Countries | Most recent survey year | Na (%Nb) | Nc (%) | aPR (95% CI) | P value |
| Overall | 148,528 | 42,738 (28.7) | |||
| Angola | 2015–16 | 7293 (4.9) | 2528 (34.7) | 19.06 (15.86, 22.91) | <0.001 |
| Benin | 2017–18 | 6543 (4.4) | 3638 (55.6) | 40.18 (33.55, 48.12) | <0.001 |
| Burundi | 2016–17 | 8687 (5.9) | 124 (1.4) | ref. | |
| Chad | 2014–15 | 9100 (6.1) | 1090 (12.0) | 13.18 (10.92, 15.92) | <0.001 |
| Ethiopia | 2016 | 7286 (4.9) | 374 (5.1) | 6.81 (5.58, 8.31) | <0.001 |
| Gambia | 2013 | 3442 (2.3) | 1623 (47.2) | 28.42 (23.65, 34.16) | <0.001 |
| Ghana | 2014 | 3803 (2.6) | 2359 (62.0) | 32.51 (27.09, 39.01) | <0.001 |
| Kenya | 2014 | 6248 (4.2) | 487 (7.8) | 4.64 (3.80, 5.67) | <0.001 |
| Malawi | 2015–16 | 12,714 (8.6) | 4324 (34.0) | 24.59 (20.51, 29.48) | <0.001 |
| Mali | 2018 | 4923 (3.3) | 1624 (33.0) | 19.64 (16.30, 23.68) | <0.001 |
| Namibia | 2013 | 2124 (1.4) | 1146 (53.9) | 30.13 (25.07, 36.22) | <0.001 |
| Nigeria | 2013 | 16,580 (11.2) | 3808 (22.9) | 19.78 (16.49, 23.73) | <0.001 |
| RDC | 2013–14 | 9815 (6.6) | 487 (5.0) | 3.34 (2.73, 4.08) | <0.001 |
| Rwanda | 2014–15 | 5801 (3.9) | 205 (3.5) | 2.46 (1.97, 3.08) | <0.001 |
| Senegal | 2017 | 4695 (3.2) | 3417 (73.0) | 44.90 (37.44, 53.84) | <0.001 |
| Sierra Leone | 2013 | 5035 (3.4) | 2085 (41.4) | 22.63 (18.85, 27.18) | <0.001 |
| South Africa | 2016 | 2290 (1.5) | 1388 (60.6) | 35.84 (29.82, 43.08) | <0.001 |
| Tanzania | 2015–16 | 6198 (4.2) | 1347 (21.7) | 14.67 (12.19, 17.66) | <0.001 |
| Togo | 2013–14 | 4209 (2.8) | 1637 (38.9) | 27.67 (23.06, 33.21) | <0.001 |
| Uganda | 2016 | 9245 (6.2) | 2124 (22.9) | 14.73 (12.26, 17.71) | <0.001 |
| Zambia | 2013–14 | 7981 (5.4) | 5085 (63.7) | 43.30 (36.16, 51.84) | <0.001 |
| Zimbabwe | 2015 | 4516 (3.0) | 1838 (40.7) | 23.81 (19.82, 28.61) | <0.001 |
Na = weighted sample size of the combined dataset that is represented by that survey for each country.
Nb = the % of the combined dataset that is represented by that survey.
Nc = adherence to iron supplementation defined as taking iron tablets or syrup supplement for at ≥90 d during pregnancy of recent birth.
Model fully adjusted for country, number of antenatal care visits, pregnancy status, breastfeeding status, age, education status, marital status, wealth index status, place of residence, employment status, number of living children, household having a radio or television, having a prenatal nurse, and had a history of terminated pregnancy.
RDC = Democratic Republic of Congo. ref. = reference.