Table 1 Sample characteristics (n = 350)
| Â | Mean (SD) | Range | n (%) |
|---|---|---|---|
Socio-demographics: | |||
 Age (years) | 34.3 (5.6) | 25–45 | – |
 Maternal age (years) | 26.2 (5.8) | 16–44 |  |
 Race/ethnicity: | |||
  White (%) | – | – | 87 (24.9) |
  African-American (%) | – | – | 152 (43.4) |
  Latina (%) | – | – | 49 (14.0) |
  Chinese (%) | – | – | 48 (13.7) |
  Filipina (%) | – | – | 14 (4.0) |
 Education: | |||
   < High school (HS) (%) | – | – | 7 (2.0) |
  HS degree (%) | – | – | 38 (10.8) |
  Some college (%) | – | – | 101 (28.9) |
  College degree (%) | – | – | 139 (39.7) |
  Graduate degree (%) | – | – | 65 (18.6) |
General Health: | |||
 Smoking (current/past) (%) | – | – | 101 (28.9) |
 Body mass index (BMI) (kg/m2) | 29.2 (7.9) | 17.1–58.4 | – |
Ovarian Reserve: | |||
 Antimullerian hormone (AMH) | 3.2 (2.6) | 0.2–13.8 | – |
 Antral follicle count (AFC) | 15.7 (9.5) | 0–49 | – |
Reproductive Factors: | |||
 Menarcheal age (years) | 12.4 (1.7) | 8–17 | – |
 History of hormonal contraceptive use (%) | – | – | 266 (76.0) |
 Parity (1+ live births) (%) | – | – | 142 (40.6) |
Maternal Neighborhood (census-tract level): | |||
 Education: % of individuals with a HS diploma | 66.3 (17.1) | 20.2–98.3 | – |
 Poverty: % of families below poverty line | 11.7 (10.0) | 0.6–54.8 | – |
 Unemployment: % of unemployed individuals > 16 years | 8.0 (4.3) | 1.5–23.3 | – |
 Income: Median family income (adj. to 2010 USDs) | 46,497 (17,638) | 13,012–110,355 | – |