Table 5.
Variablesa | Progesterone | Cerclage | Pessary | |||
---|---|---|---|---|---|---|
Multivariate Analysis OR (95% CIs) | p-valueb | Multivariate Analysis OR (95% CIs) | p-valueb | Multivariate Analysis OR (95% CIs) | p-valueb | |
Pregnant Women’s Characteristics | ||||||
European or White-Caucasian ethnicity (self-reported) | 0.41 (0.17, 1.01) | 0.05 | ||||
Not married or in common-law relationship | 5.88 (1.72, 20.00) | 0.0049 | ||||
Preterm Birth Prevention Issuesc | ||||||
Preference for no prevention | 3.39 (1.93, 5.96) | <0.0001 | 2.99 (1.51, 5.92) | 0.002 |
Abbreviations: OR, odds ratio; CIs, confidence intervals. a“Preferred no prevention” included women who preferred no prevention or close-monitoring or were not using a prevention if they were at increased risk for preterm birth; bSignificance was assessed using chi-squared test