Variable | Cases of preterm/total N | Model 1* OR (95% CI) | Model 2† OR (95% CI) |
---|---|---|---|
CTQ Score (0–11 years) | |||
6 | 305/3889 | 1.00 | 1.00 |
7–10 | 1675/20 608 | 1.04 (0.92 to 1.18) | 1.04 (0.92 to 1.19) |
11–15 | 1269/15 933 | 1.02 (0.89 to 1.16) | 1.01 (0.89 to 1.16) |
16–20 | 515/6946 | 0.94 (0.81 to 1.09) | 0.93 (0.80 to 1.08) |
21–25 | 263/2966 | 1.16 (0.98 to 1.38) | 1.14 (0.96 to 1.35) |
26–30 | 83/1083 | 1.00 (0.78 to 1.29) | 0.96 (0.75 to 1.24) |
Combined time periods for abuse variables (0–17 years) | |||
Physical abuse | |||
None | 1919/23 752 | 1.00 | 1.00 |
Mild | 780/9669 | 1.00 (0.92 to 1.09) | 1.00 (0.92 to 1.09) |
Moderate | 1033/13 615 | 0.94 (0.87 to 1.02) | 0.93 (0.86 to 1.01) |
Severe | 371/4250 | 1.11 (0.99 to 1.25) | 1.08 (0.96 to 1.22) |
Sexual abuse | |||
None | 2666/34 144 | 1.00 | 1.00 |
Unwanted sexual touch only | 908/11 403 | 1.03 (0.95 to 1.11) | 1.03 (0.95 to 1.11) |
Forced sexual activity | 518/5570 | 1.24 (1.13 to 1.37) | 1.22 (1.10 to 1.35) |
*Adjusted for maternal age, childhood socioeconomic position, and maternal race.
†Adjusted for maternal age, childhood socioeconomic position, and maternal race, prenatal alcohol use, prenatal cigarette use, age at menarche, marital status at baseline, reported income 2001, BMI at 18, and physical abuse in pregnancy.