Trend in wealth-inequalities in prevalence of underweight, anaemia, anaemia during pregnancy, overweight and obesity (1993–2017)
| Underweight percentage points n=96 surveys † | Anaemia percentage points n=52 surveys‡ | Anaemia during pregnancy percentage points n=39–52 surveys§ | Overweight percentage points n=96 surveys † | Obesity percentage points n=96 surveys † | ||||||
| Interaction term* β (95% CI) | −0.03 | (−0.16 to 0.09) | 0.01 | (−0.59 to 0.62) | −0.26 | (−1.06 to 0.55) | 0.01 | (−0.10 to 0.13) | 0.34** | (0.21 to 0.47) |
*Interaction term of multilevel linear regression coefficient interpreted as the difference in the nutritional outcome between the richest and poorest women per year, in percentage points,**P<0.001.
†30 countries with two or more surveys in SSA region between 1993 and 2017: 13 ESA countries and 17 WCA countries.
‡20 countries with two or more surveys in SSA region between 2000 and 2017: 9 ESA countries and 11 WCA countries.
§18–20 countries with two or more surveys in SSA region between 2000 and 2017: 7–9 countries in ESA and 11 countries in WCA.
ESA, Eastern and Southern Africa; SSA, sub-Saharan Africa; WCA, Western and Central Africa .