Table 2.
Risk factors for GBS colonization in pregnant women: binary logistic regression analysis.
| Factors | B | SE | P | OR (95% CI) | |
|---|---|---|---|---|---|
| Maternal age (years) | 18–29 | 0 | |||
| 30–45 | 0.068 | 0.158 | 0.006 | 1.913 (1.662, 2.478) | |
|
| |||||
| Prelabor rupture of the membrane | No | 0 | |||
| Yes | 0.158 | 0.440 | 0.002 | 3.838 (1.619, 9.099) | |
|
| |||||
| Gestational age at birth | Above average gestational age | 0 | |||
| Below average gestational age | 0.689 | 0.164 | 0.001 | 1.992 (1.445, 2.746) | |
B: regression coefficient; SE: standard error; P: P value; OR: odds ratio. Average gestational age is 39 weeks 4 days.