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Table 4 Associations between marital status and pregnancy outcomes in 60,946 women

From: Impact of singlehood during pregnancy on dietary intake and birth outcomes- a study in the Norwegian Mother and Child Cohort Study

  Total n n (%) Unadjusted OR (95% CI) Model 1* Adjusted OR (95% CI) Model 2 Adjusted OR (95% CI) Model 3 Adjusted OR (95% CI)
Small for gestational age baby       
Married/cohabiting 59,845 6289 (10.5) 1 1 1 1
Singles living alone 888 123 (13.9) 1.37 (1.13, 1.66) 1.36 (1.12, 1.64) 1.27 (1.05, 1.55) 1.10 (0.90, 1.34)
Singles living with parents 213 22 (10.3) 0.98 (0.63, 1.53) 0.93 (0.59, 1.45) 0.96 (0.61, 1.50) 0.82 (0.52, 1.29)
Large for gestational age baby       
Married/cohabiting 59,845 5839 (9.8) 1 1 1 1
Singles living alone 888 80 (9.0) 0.92 (0.73, 1.15) 0.88 (0.70, 1.11) 0.87 (0.69, 1.10) 0.94 (0.75, 1.20)
Singles living with parents 213 24 (11.3) 1.17 (0.77, 1.80) 1.20 (0.78, 1.84) 1.11 (0.72, 1.71) 1.20 (0.78, 1.87)
Preterm delivery (<37 weeks)       
Married/cohabiting 59,845 2966 (5.0) 1 1 1 1
Singles living alone 888 59 (6.6) 1.36 (1.05, 1.78) 1.32 (1.01, 1.72) 1.17 (0.89, 1.53) 1.15 (0.88, 1.51)
Singles living with parents 213 12 (5.6) 1.14 (0.64, 2.05) 1.09 (0.61, 1.95) 0.91 (0.50, 1.64) 0.89 (0.49, 1.61)
  1. *Model 1: adjusted for maternal pre-pregnancy BMI, total energy intake and energy contributed by protein.
  2. Model 2: additional adjusted for maternal education, income, parity, age at delivery and nausea at the time of filling in the FFQ.
  3. Model 3: additional adjusted for maternal smoking during pregnancy.