Table 3.
Comparison of NYU CHES participants with women who delivered live births in New York City, 2016
| Characteristic | 2016 New York City birth data | NYU CHES participants with live deliveries |
|---|---|---|
| n = 88,924 | n = 2000 | |
| Mother’s age, years | ||
| < 20 | 1754 (2%) | 45 (2%) |
| 20–24 | 11,977 (14%) | 217 (11%) |
| 25–29 | 22,442 (25%) | 425 (21%) |
| 30–34 | 28,737 (32%) | 732 (37%) |
| 35–39 | 18,850 (21%) | 454 (23%) |
| 40+ | 5164 (6%) | 127 (6%) |
| Race/ethnicity, n (%) | ||
| Hispanic | 23,614 (27%) | 965 (48%) |
| Asian/Pacific Islander | 16,586 (18%) | 180 (9%) |
| Non-Hispanic White | 33,737 (38%) | 677 (34%) |
| Non-Hispanic Black | 13,843 (16%) | 114 (6%) |
| Other | 1096 (1%) | 59 (3%) |
| Missing | 48 | 5 |
| Marital status, n (%) | ||
| Married | 59,466 (67%) | 1757 (88%) |
| Not married | 29,458 (33%) | 242 (12%) |
| Missing | 0 | 1 |
| Education, n (%) | ||
| High school or less | 31,321 (35%) | 635 (32%) |
| Some college, associate degree | 18,914 (21%) | 327 (16%) |
| Bachelor’s degree | 20,864 (24%) | 457 (23%) |
| Post graduate degree | 17,646 (20%) | 564 (29%) |
| Missing | 179 | 17 |
| Nulliparous, n (%) | 38,772 (44%) | 1002 (50%) |
| Missing | 1 | 3 |
| Pre-pregnancy BMI category, n (%) | ||
| Underweight | 4920 (5%) | 41 (2%) |
| Normal | 48,515 (55%) | 947 (48%) |
| Overweight | 21,091 (24%) | 571 (29%) |
| Obese | 14,191 (16%) | 422 (21%) |
| Missing | 207 | 19 |
| Multiple births, n (%) | 3250 (4%) | 37 (2%) |
| Delivery method, n (%) | ||
| Vaginal | 59,366 (67%) | 1264 (67%) |
| Cesarean section | 29,558 (33%) | 615 (33%) |
| Missing | 0 | 121 |
| Gestational age category, n (%) | ||
| 17–31 weeks | 1222 (1%) | 14 (1%) |
| 32–33 weeks | 912 (1%) | 18 (1%) |
| 34–36 weeks | 5686 (7%) | 124 (6%) |
| 37–47 weeks | 81,104 (91%) | 1797 (92%) |
| Missing | 0 | 47 |
| Preterm births (< 37 weeks), n (%) | 7820 (9%) | 156 (8%) |
| Missing | 0 | 47 |
| Child sex, male, n (%)a | 45,423 (51%) | 1031 (52%) |
| Missing | 0 | 56 |
| Birth weight category, n (%)a | ||
| < 1000 | 521 (1%) | 6 (< 1%) |
| 1000–1499 | 649 (1%) | 9 (< 1%) |
| 1500–1999 | 1328 (1%) | 34 (2%) |
| 2000–2499 | 4613 (5%) | 101 (5%) |
| 2500–2999 | 17,852 (20%) | 389 (20%) |
| 3000–3499 | 35,977 (40%) | 777 (40%) |
| 3500–3999 | 22,295 (25%) | 490 (26%) |
| 4000–4499 | 5027 (6%) | 105 (5%) |
| 4500–4999 | 605 (1%) | 17 (1%) |
| 5000+ | 57 (< 1%) | 1 (< 1%) |
| Missing | 0 | 108 |
| Low birth weight (< 2500 g), n (%)a | 7111 (8%) | 150 (8%) |
| Missing | 0 | 108 |
aNYU CHES: among live children, n = 2037