TABLE 3.
The association of gestational hypertension and preeclampsia with low birthweight (LBW) and small‐for‐gestational‐age (SGA) in multivariate logistic regression, China, 1993 to 1996
| Risk factor | LBW | SGA | ||
|---|---|---|---|---|
| Adjusted OR a | 95% CI | Adjusted OR a | 95% CI | |
| Age (continuous) | 1.04 | 1.02, 1.05 | 1.02 | 1.01, 1.03 |
| Body mass index (continuous) | 1.10 | 1.09, 1.12 | 1.11 | 1.10, 1.12 |
| Factory worker | 1.09 | 1.02, 1.17 | 1.07 | 1.02, 1.11 |
| Other occupation | 0.97 | 0.88, 1.08 | 0.88 | 0.82, 0.94 |
| Junior high school | 1.20 | 1.08, 1.35 | 1.20 | 1.12, 1.29 |
| Primary school or lower | 1.50 | 1.33, 1.70 | 1.53 | 1.41, 1.65 |
| Primiparous | 1.06 | 0.95, 1.18 | 1.39 | 1.29, 1.49 |
| Other race | 1.59 | 1.20, 2.10 | 1.29 | 1.06, 1.57 |
| Folic acid use | 0.83 | 0.78, 0.88 | 0.92 | 0.88, 0.95 |
| Gestational hypertension | ||||
| No | 1 | — | 1 | — |
| Yes | 1.77 | 1.63, 1.92 | 1.40 | 1.32, 1.48 |
| Pre‐eclampsia | ||||
| No | 1 | — | 1 | — |
| Yes | 3.01 | 2.67, 3.40 | 2.02 | 1.84, 2.22 |
Abbreviations: CI, confidence interval; OR, odds ratio.
a
Adjusted for maternal age (continuous), BMI (continuous), education, occupation, parity, ethnicity, folic acid use, and anemia during pregnancy.