Table 2.
Percent preterm delivery (PTD, <37 weeks gestation) overall and by maternal characteristics and life stressor categories in POUCH.
| n(%) | p-value | |
|---|---|---|
| All | 277 (10.8) | |
| Maternal characteristics | ||
| Race | <0.01 | |
| African-American | 80 (14.9) | |
| White/other | 197 (9.7) | |
| Age at enrollment | 0.97 | |
| 20-29 | 167 (10.8) | |
| 30-34 | 85 (11.0) | |
| ≥35 | 25 (10.4) | |
| Education | 0.01 | |
| <12 years | 42 (15.9) | |
| 12 years | 81 (11.3) | |
| >12 years | 154 (9.8) | |
| Previous live births | 0.77 | |
| 0 | 103 (11.1) | |
| ≥1 | 174 (10.7) | |
| Marital status(5 missing) | 0.01 | |
| Married | 143 (9.5) | |
| Not married | 133 (12.6) | |
| Stressors in the past 6 months | ||
| Abuse | 0.48 | |
| Never | 243 (10.7) | |
| Once or twice | 16 (10.3) | |
| More than twice | 18 (14.1) | |
| Economic problems | 0.06 | |
| Never | 172 (9.8) | |
| Once or twice | 35 (12.4) | |
| More than twice | 69 (13.2) | |
| Substance use | 0.90 | |
| Never | 214 (10.7) | |
| Once or twice | 29 (11.4) | |
| More than twice | 34 (11.4) | |
| Stressors in childhood/adulthood | ||
| Abuse and/or see violence | 0.11 | |
| Never | 125 (9.8) | |
| Childhood only | 52 (11.7) | |
| Adulthood only | 39 (9.9) | |
| Both childhood and adulthood | 61 (13.7) | |
| Economic problems | 0.73 | |
| Never | 124 (10.2) | |
| Childhood only | 53 (11.8) | |
| Adulthood only | 50 (10.9) | |
| Both childhood and adulthood | 50 (11.6) | |
| Loss | 0.06 | |
| Never | 46 (9.6) | |
| Childhood only | 40 (8.1) | |
| Adulthood only | 67 (11.8) | |
| Both childhood and adulthood | 124 (12.3) | |
| Substance use | 0.38 | |
| Never | 153 (10.8) | |
| Childhood only | 30 (10.8) | |
| Adulthood only | 38 (8.9) | |
| Both childhood and adulthood | 55 (12.6) |