Variables | Categories | Estimated RR | 95% CI for RR |
---|---|---|---|
A. Distal/socioeconomic factors | |||
Maternal level of education | No education (ref) | 1 | |
Primary | 0.95 | 0.59–2.62 | |
Secondary | 0.68 | 0.56–0.98 | |
Higher | 0.51 | 0.45–0.80 | |
Household wealth (in quintiles) | Poorest | 1.68 | 0.69–4.11 |
Poorer | 1.36 | 0.51–3.62 | |
Middle (ref) | 1 | ||
Richer | 1.64 | 0.59–4.55 | |
Richest | 2.45 | 0.78,-7.71 | |
Place of residence | Urban (ref) | 1 | |
Rural | 1.80 | 0.501–6.40 | |
B. Intermediate/mother’s characteristics | |||
Preceding birth interval (in months) | < 24 | 2.02 | 1.40–2.92 |
24–47 (ref) | 1 | ||
> 47 | 0.51 | 0.27–0.92 | |
Maternal age at first birth (in years) | < 20 | 1.23 | 0.84–1.85 |
20–29 (ref) | 1 | ||
> 30 | 0.70 | 0.60–1.93 | |
Birth order | < 3 | 0.85 | 0.38,-1.90 |
3–4 (ref) | 1 | ||
> 4 | 0.75 | 0.39–1.42 | |
Place of delivery | Home | 1.90 | 0.78–4.62 |
Health Institution (ref) | 1 | ||
Number of antenatal care visits | < 4 (ref) | 1 | |
≥ 4 | 0.63 | 0.56–1.45 | |
Smoking cigarettes during pregnancy | No (ref) | 1 | |
Yes | 1.28 | 0.60–2.78 | |
C. Proximal/child’s characteristics | |||
Plurality | Single birth (ref) | 1 | |
Multiple birth | 4.07 | 1.14–14.5 | |
Birth weight categories (in gm) | Very large | 2.02 | 0.56–7.34 |
Larger than average | 1.76 | 0.60–5.15 | |
Average (ref) | 1 | ||
Smaller than average | 3.23 | 1.40–7.41 | |
Very small | 3.74 | 1.73–8.12 | |
Breastfed at birth | Immediately (ref) | 1 | |
Not immediately | 1.13 | 0.63–2.04 | |
Sex of child | Male | 1.26 | 1.01–1.56 |
Female (ref) | 1 |