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Table 2 Characteristics of women who did and did not stop smoking in pregnancy (n = 226). Figures are percentages if not otherwise stated

From: Which women stop smoking during pregnancy and the effect on breastfeeding duration

  Women who stopped smoking (n = 77) Women who did not stop smoking (n = 149) p value Univariate OR (95% CI)
<25 years 46.8 35.6 0.103 1.6 (0.9–2.8)
>25 years 53.2 64.4   1
Income <$25 000 56 65.8 0.156 0.7 (0.4–1.2)
Income >$25 000 44 34.2   1
Primiparous 55.8 32.9 0.001 2.6 (1.5–4.5)
Multiparous 44.2 67.1   1
Caucasian 90.9 96.6 0.068 0.3 (0.1–1.1)
Non-caucasian 9.1 3.4   1
Father smoked in pregnancy 61 75.5 0.025 0.5 (0.3–0.9)
Father did not smoke in pregnancy 39 24.5   1
<12 years education 46.1 62.8 0.016 0.5 (0.3–0.9)
>12 years education 53.9 37.2   1
Drank alcohol before pregnancy 87 72.3 0.012 2.6 (1.2–5.5)
Non-drinker before pregnancy 13 27.7   1
Alcohol during preg 40.3 38.9 0.846 1.1 (0.6–1.9)
No alcohol in preg 59.7 61.1   1
Cigs before preg <10/day 63.6 36.4   1
Cigs before preg >10/day 36.4 63.6 <0.001 0.3 (0.2–0.6)
Timing of pregnancy    0.045  
Planned 44 37.3   1
Mistimed 41.3 32.4   1.1 (0.6–2.0)
Unplanned 14.7 30.3   0.4 (0.2–0.9)
Attend antenatal classes 33.8 52   1
Did not attend antenatal classes 66.2 48 0.009 0.5 (0.3–0.8)
  1. Significant at p = 0.05. Significant figures in bold