|
Odds ratio (OR) with 95% confidence intervals (CI) for pregnancy-related pelvic pain in the first pregnancy |
|
| Characteristic |
Pregnancy-related pelvic pain in first pregnancy |
|
|
|
| OR (95% CI) * |
|
|
|
|
| Use of hormonal contraceptives before first birth |
|
| No |
1.0 (ref.) |
| Yes |
1.6 (1.2–2.1) |
| Age at menarche |
|
| <= 12 years |
1.0 (ref.) |
| 13 years |
0.9 (0.7–1.2) |
| 14 + years |
0.8 (0.6–1.1) |
| Age at first birth |
|
| < = 20 years |
1.0 (ref.) |
| 21–25 years |
1.2 (0.9–1.5) |
| 26 + years |
0.8 (0.5–1.1) |
| Time elapsed since first birth (per 3 years)** |
0.9 (0.8–1.0) |
| Weight of newborn child (per 500 g) |
1.0 (0.95–1.1) |
| Years of education |
|
| 7–9 |
1.0 (ref.) |
| 10–12 |
1.0 (0.7–1.3) |
| 13–15 |
0.9 (0.7–1.3) |
| 16+ |
1.1 (0.7–1.7) |
| Smoking during first pregnancy |
|
| No |
1.0 (ref.) |
| Yes |
0.9 (0.7–1.1) |
|
* All variables are mutually adjusted. Analysis includes women with valid information for listed variables, i.e. 437 women with and 1424 women without pregnancy-related pelvic pain during their first pregnancy. ** Years between first birth and enrolment in the study cohort. | |
Kumle et al. BMC Pregnancy and Childbirth 2004 4:11 doi:10.1186/1471-2393-4-11 |
|