Table 3.
Multinomial logistic regression to determine the effect of maternal height and BMI on infants’ term/preterm status and AGA/SGA status (reference: term AGA)
| Term SGA RRR, 95% CI | Preterm AGA RRR, 95% CI | Preterm SGA RRR, 95% CI | |
|---|---|---|---|
| Height (cm) | |||
| <145 | 1.88 (1.37, 2.58) | 1.45 (1.02, 2.05) | 14.40 (1.82, 113.85) |
| 145–149.9 | 1.37 (1.04, 1.79) | 0.99 (0.73, 1.33) | 6.13 (0.78, 47.98) |
| 150–154.9 | 1.28 (0.98, 1.68) | 1.05 (0.78, 1.41) | 5.59 (0.71, 44.03) |
| ≥155 | ref | ref | ref |
| BMI (kg/m2) | |||
| <18.5 | 1.32 (1.10, 1.59) | 1.39 (1.12, 1.71) | 0.97 (0.47, 2.02) |
| 18.5–24.9 | ref | ref | ref |
| ≥25 | 0.69 (0.45, 1.07) | 0.62 (0.36, 1.08) | NA |
| Age (years) | |||
| <24 | 1.17 (0.94, 1.45) | 0.75 (0.58, 0.98) | 0.98 (0.41, 2.34) |
| 25–29 | 1.05 (0.84, 1.32) | 1.14 (0.89, 1.47) | 1.03 (0.43, 2.46) |
| ≥30 | ref | ref | |
| Education (years) | |||
| 0 | 1.14 (0.82, 1.58) | 1.50 (1.06, 2.14) | 1.80 (0.54, 5.96) |
| 1–5 | 1.10 (0.90, 1.35) | 1.17 (0.92, 1.48) | 1.47 (0.62, 3.51) |
| ≥6 | ref | ref | ref |
| Wealth quintile | |||
| Lowest quintile | 1.37 (1.00, 1.87) | 1.49 (1.04, 2.15) | 1.82 (0.46, 7.24) |
| Second lowest quintile | 1.23 (0.89, 1.70) | 1.28 (0.87, 1.87) | 1.46 (0.34, 6.23) |
| Middle quintile | 1.23 (0.90, 1.68) | 1.13 (0.77, 1.65) | 1.37 (0.32, 5.81) |
| Second highest quintile | 1.23 (0.92, 1.66) | 1.20 (0.84, 1.72) | 1.44 (0.35, 5.96) |
| Highest quintile | ref | ref | ref |
| Smoking during pregnancy | |||
| No | ref | ref | ref |
| Yes | 1.22 (1.01, 1.47) | 1.20 (0.96, 1.48) | 0.98 (0.47, 2.05) |
| Any qualified ANC care | |||
| No | ref | ref | ref |
| Yes | 0.98 (0.82, 1.18) | 0.72 (0.58, 0.88) | 0.91 (0.45, 1.87) |