Characteristic | N | |
---|---|---|
Age (years), mean (SD) | 135 | 29.3 (3.4) |
Gestational weeks, mean (SD) | 127 | 19.0 (1.3) |
Pre-pregnancy BMI (kg/m2), median (p25-p75) | 132 | 22.2 (20.6–24.3) |
Marital status, n (%) | 133 | |
Married | 43 (32) | |
Cohabiting | 85 (64) | |
Other | 5 (4) | |
Education level, n (%) | 133 | |
Elementary school | 2 (1.5) | |
High school | 17 (13) | |
≤ 4 years university/college | 33 (25) | |
> 4 years university/college | 81 (61) | |
Nicotine use in pregnancy a, yes, n (%) | 132 | |
≤ gestational week 8 | 12 (9) | |
> gestational week 8 | 0 |