From: Bisphenol a exposure in Mexico City and risk of prematurity: a pilot nested case control study
Characteristics | Participants who Delivered > 37 Weeks (N = 30) | Participants who Delivered ≤ 37 Weeks (N = 30) | Participants who Delivered Preterm (< 37 weeks; N = 12) |
---|---|---|---|
Years of Maternal Age [mean (SD)] | 27.3 (5.9) | 27.7 (6.2) | 29.3 (5.9) |
Years of Maternal Education [mean (SD)] | 11.3 (2.5) | 10.7 (3.6) | 11.6 (2.9) |
Prepregnancy BMI (kg/m2) [mean (SD)] | 24.9 (4.4) | 25.2 (3.8) | 23.7 (4.2) |
Parity [number (%)] | |||
First Child | 10 (33) | 10 (33) | 4 (33) |
Not First Child | 20 (67) | 20 (67) | 8 (67) |
Marital status [number (%)] | |||
Married | 26 (87) | 24 (80) | 9 (75) |
Single | 4 (13) | 6 (20) | 3 (25) |
Infant Sex [number (%)] | |||
Male | 15 (50) | 13 (43) | 5 (42) |
Female | 15 (50) | 17 (57) | 7 (58) |