Table 2 Demographic Characteristics of Pregnant Women and their Children in the Generation R Study
Overalla n = 1644 | BSI ≤ 0.75 n = 1212 (95%) | BSI > 0.75 n = 65 (5%) | |
|---|---|---|---|
Mother | |||
Age at enrollment (years) (mean (SD)) | 32.0 (4.3) | 31.9 (4.1) | 31.0 (5.2) |
Pre-pregnancy BMI (kg/m2) (mean (SD)) | 23.2 (4.1) | 23.2 (4.0) | 23.1 (4.9) |
Education (college graduate vs. not a college graduate) (N (%)) | |||
No | 572 (35.9) | 412 (34.3) | 33 (54.1) |
Yes | 1023 (64.1) | 790 (65.7) | 28 (45.9) |
Pregnancy smoking status (N (%)) | |||
Never | 1165 (78.3) | 873 (78.6) | 32 (54.2) |
Former | 146 (9.8) | 106 (9.5) | 8 (13.6) |
Smoked during pregnancy | 177 (11.9) | 131 (11.8) | 19 (32.2) |
Marital Status (N (%)) | |||
Not married or cohabitating | 82 (5.2) | 50 (4.2) | 15 (23.8) |
Married or cohabitating | 1496 (94.8) | 1132 (95.8) | 48 (76.2) |
Annual household income (N (%)) | |||
< 1600€/month (basic needs level) | 81 (5.5) | 53 (4.8) | 13 (22.8) |
≥ 1600€/month (basic needs level) | 1392 (94.5) | 1044 (95.2) | 44 (77.2) |
Social support (points) (mean (SD)) | 3.6 (0.4) | 3.6 (0.4) | 3.2 (0.5) |
Child at birth | |||
Child sex (N (%)) | |||
Male | 817 (49.7) | 585 (48.3) | 37 (56.9) |
Female | 827 (50.3) | 627 (51.7) | 28 (43.1) |
Gestational age (weeks) (mean (SD)) | 40.0 (1.8) | 40.1 (1.6) | 40.0 (2.2) |
Child at six-year study visit | |||
Age at measurement of hair cortisol (years) (mean (SD)) | 6.0 (0.5) | 6.0 (0.5) | 6.0 (0.4) |
Hair cortisol at age six (pg/mg) (median (IQR)) [min, max] | 1.39 (0.76, 2.86) [0.13, 218.79] | 1.36 (0.75, 2.66) [0.13, 159.01] | 1.32 (0.67, 3.66) [0.20, 80.61] |