From: Using extended concentration and achievement indices to study socioeconomic inequality in chronic childhood malnutrition: the case of Nigeria
Wealth index
Mean Negative HAZ
OR (95% CI)*
Poorest
1.89
3.69 (2.98, 4.58)
Poor
1.81
3.10 (2.50, 3.86)
Rich
1.72
2.80 (2.25, 3.48)
Richer
1.28
1.60 (1.28, 2.00)
Richest
0.82
reference