Table 3.
Multiple logistic regression analyses of factors associated with LBW and Macrosomia. Adjusted for nationality, mode of delivery.
| Risk Fators | LBW | Macrosomia | ||
|---|---|---|---|---|
| RR (95% CI) | p-Value | RR (95% CI) | p-Value | |
| Sex | ||||
| Girls (Ref) | 1 | 1 | ||
| Boys | 1.17(1.08 to 1.26) | <0.001 | 1.91(1.71 to 2.14) | <0.001 |
| Maternal age, n (%) | ||||
| <20 y (Ref) | 1 | 1 | ||
| 20–24 y | 2.05(1.57 to 2.67) | <0.001 | 1.19(0.60 to 2.32) | |
| 25–29 y | 2.78(2.14 to 3.61) | <0.001 | 1.71(0.88 to 3.33) | |
| 30–34 y | 2.63(2.01 to 3.45) | <0.001 | 2.29(1.17 to 4.47) | <0.001 |
| >35 y | 1.85(1.39 to 2.46) | <0.001 | 2.44(1.23 to 4.82) | <0.001 |
| Parity | ||||
| 0 (Ref) | 1 | 1 | ||
| 1 | 0.92(0.84 to 1.01) | 0.093 | 1.77(1.59 to 1.98) | <0.001 |
| ≥2 | 0.70(0.57 to 0.85) | <0.001 | 2.28(1.74 to 2.98) | <0.001 |
| Gestational age | ||||
| <37 wk (Ref) | 1 | 1 | ||
| 37 to 41 wk | 0.04(0.03 to 0.04) | <0.001 | 6.64(5.21 to 8.44) | <0.001 |
| ≥42 wk | 0.04(0.01 to 0.38) | 0.004 | 20.45(7.63 to 54.78) | <0.001 |
| HDCP | ||||
| No (Ref) | 1 | 1 | ||
| yes | 5.92(5.35 to 6.55) | <0.001 | 1.31 (1.02 to 1.68) | 0.034 |
| Diabetes | ||||
| No (Ref) | 1 | 1 | ||
| Yes | 1.38 (1.26 to 1.50) | <0.001 | 1.58 (1.36 to 1.83) | <0.001 |
| BMI | ||||
| <25 (Ref) | 1 | 1 | ||
| 25 to 30 | 0.56(0.51 to 0.62) | <0.001 | 3.22(2.69 to 3.84) | <0.001 |
| ≥30 | 0.68(0.58 to 0.82) | <0.001 | 9.62(7.91 to 11.72) | <0.001 |