Table 2.
The risks for the maternal outcomes in the inadequate and excessive gestational weight gain (GWG) groups compared to the adequate GWG group (reference group)
| Characteristics | Inadequate GWG |
Excessive GWG |
||
|---|---|---|---|---|
| Unadjusted | Adjusted | Unadjusted | Adjusted | |
| Preterm labor | 1.92 (1.51–2.44) | 1.96 (1.52–2.53) | 0.79 (0.49–1.26) | 0.78 (0.47–1.28) |
| PPROM | 1.27 (0.96–1.68) | 1.34 (0.99–1.81) | 0.60 (0.33–1.08) | 0.62 (0.34–1.13) |
| Preterm birth (wk) | ||||
| <37 | 1.37 (1.11–1.69) | 1.39 (1.11–1.73) | 1.03 (0.73–1.47) | 0.88 (0.61–1.28) |
| <34 | 2.24 (1.61–3.12) | 2.33 (1.63–3.34) | 1.29 (0.72–2.32) | 1.13 (0.60–2.12) |
| <32 | 2.90 (1.76–4.75) | 2.95 (1.74–5.01) | 1.44 (0.60–3.44) | 1.03 (0.39–2.69) |
| <30 | 4.30 (2.01–9.23) | 4.47 (2.06–9.67) | 2.11 (0.63–7.10) | 1.55 (0.44–5.41) |
| HTN during pregnancy | 0.45 (0.33–0.62) | 0.43 (0.30–0.60) | 1.63 (1.08–2.48) | 1.26 (0.80–1.99) |
| Preeclampsia | 0.52 (0.35–0.70) | 0.49 (0.32–0.76) | 1.67 (1.01–2.76) | 1.32 (0.76–2.31) |
| Gestational DM | 2.91 (1.96–4.33) | 3.38 (2.17–5.27) | 1.27 (0.61–2.62) | 1.23 (0.57–2.66) |
Data are presented as odds ratio (95% confidence interval), calculated using univariate and multivariate logistic regression analysis. Adjusted for age, nulliparity, prepregnancy body mass index, preexisting HTN, preexisting DM, and dichorionicity.
PPROM, preterm premature rupture of membranes; HTN, hypertension; DM, diabetes mellitus.