Prevalence of mild, moderate and severe anaemia in children in baseline, mid-term and end-line surveys
| Total number of children with anaemia | Mild anaemia | Moderate and severe anaemia | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Intervention group (I) | Control group (C) | I–C | D-in-D (95% CI) | Intervention group (I) | Control group (C) | I–C | D-in-D (95% CI) | Intervention group (I) | Control group (C) | I–C | D-in-D (95% CI) | ||||||||||
| Survey | Unadjusted % (n) | Adjusted % | Unadjusted % (n) | Adjusted % | Adjusted % | p Value | Unadjusted % (n) | Adjusted % | Unadjusted % (n) | Adjusted % | Adjusted % | p Value | Unadjusted % (n) | Adjusted % | Unadjusted % (n) | Adjusted % | Adjusted % | p Value | |||
| Baseline* | 71.1 (1274/1793) | 70.4 | 86.3 (690/800) | 84.8 | −14.4 | – | – | 51.8 (928/1793) | 51.6 | 48.0 (384/800) | 47.6 | 4.0 | – | – | 19.3 (346/1793) | 18.8 | 38.3 (306/800) | 37.2 | −18.4 | – | – |
| Mid-term† | 57.1 (1246/2183) | 54.3 | 83.8 (563/672) | 82.9 | −28.6 | −12.5 (−17.4 to −7.8) | <0.0001 | 47.3 (1032/2183) | 45.2 | 54.8 (368/672) | 55.0 | −9.8 | −11.8 (−17.8 to −5.8) | 0.0001 | 9.8 (214/2183) | 9.1 | 29.0 (195/672) | 27.9 | −18.8 | −0.8 (−6.2 to 4.5) | 0.7687 |
| End-line‡ | 47.8 (1039/2174) | 47.3 | 75.3 (568/754) | 73.1 | −25.8 | −12.6 (−17.6 to −7.6) | <0.0001 | 41.3 (897/2174) | 40.6 | 49.6 (374/754) | 49.4 | −8.8 | −12.2 (−18.2 to −6.2) | <0.0001 | 6.5 (142/2174) | 6.4 | 25.7 (194/754) | 23.7 | −17.3 | −0.4 (−5.5 to 4.8) | 0.8475 |
*Eleven children in the intervention county and four children in the control county were not measured for haemoglobin in the baseline survey, as their caregivers refused.
†Four children in the intervention county and eight children in the control county were not measured for haemoglobin in the mid-term survey, as their caregivers refused.
‡Twelve children in the intervention county and six children in the control county were not measured for haemoglobin in the end-line survey, as their caregivers refused.
D-in-D, difference-in-difference estimation.