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Table 3 The association between relationship type, pregnancy outcomes, and maternal health behaviors

From: Partner support in a cohort of African American families and its influence on pregnancy outcomes and prenatal health behaviors

  Married Cohabitating Unmarried, Non-cohabitating
N = 78 N = 269 N = 366
    Crude Adjusted Crude Adjusted
Pregnancy outcome/health behavior PRa 95% CIb PR 95% CI PR 95% CI PR 95% CI PR 95% CI
Pretermc Referent -- 0.85 0.49, 1.47 0.80 0.44, 1.48 0.97 0.58, 1.65 0.95 0.53, 1.69
Low birth weightd Referent -- 1.47 0.68, 3.17 1.91 0.77, 4.73 1.32 0.62, 2.81 1.79 0.72, 4.48
Adequate prenatal caree Referent -- 0.82 0.58, 1.15 0.82 0.58, 1.15 0.72 0.52, 1.01 0.72 0.52, 1.01
Prenatal smokingf Referent -- 1.49 0.82, 2.70 1.81 0.99, 3.34 1.42 0.79, 2.55 1.27 0.71, 2.30
Prenatal drug useg Referent -- 1.16 0.53, 2.55 0.78 0.34, 1.79 1.92 0.91, 4.03 1.17 0.53, 2.59
  1. aPR = prevalence ratio.
  2. bCI = confidence interval.
  3. cAdjusted prevalence ratio controls for maternal age, Medicaid, welfare, and smoking.
  4. dAdjusted prevalence ratio controls for the Family Resource Scale, Medicaid, welfare, smoking, and physical abuse, emotional abuse, and control/dominance.
  5. eAdjusted estimates are the same as the unadjusted as there were no significant confounders.
  6. fadjusted estimates control for maternal age, maternal education, drug use, welfare, and the family resource scale.
  7. gAdjusted estimates control for maternal age, maternal education, the family resource scale, Medicaid, welfare, and smoking.