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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