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Table 2 Quit rates for pregnancy snus use and cigarette smoking 2015–2017.a Age 16–44 years. Percent, 95% Cl. N = 9855.

From: Trends in maternal use of snus and smoking tobacco in pregnancy. A register study in southern Norway

 

From before pregnancy to

first trimester

From before pregnancy to

third trimester

%

CI

%

CI

Snus use, all 16–44 years

(N = 824 before pregnancy)

66.4

63–70

76.7

74–80

Snus use, age groups

 16–24 years

61.0

55–67

71.6

66–77

 25–34 years

69.4

65–73

79.2

75–83

 35–44 years

65.0

52–77

78.3

66–88

Snus use, groups of parity

 No previous child

71.9

68–76

81.3

78–85

 One previous child

58.8

52–65

71.2

65–77

 Two or more previous children

53.5

42–64

64.0

53–74

Snus use, educational groups

 Primary/lower secondary

40.0

28–53

58.3

45–71

 Upper secondary

60.9

56–66

69.7

65–74

 Higher education

79.9

75–84

89.8

86–93

Smoking, all 16–44 years

(N = 1259 before pregnancy)

52.6

50–55

60.5

58–63

Smoking, age groups

 16–24 years

50.0

44–56

59.9

54–66

 25–34 years

55.0

51–59

62.3

59–66

 35–44 years

46.9

40–54

54.6

48–62

Smoking, groups of parity

 No previous child

60.2

56–64

67.7

64–72

 One previous child

50.4

45–66

58.4

53–63

 Two or more previous children

40.4

35–46

48.9

43–55

Smoking, educational groups

 Primary/lower secondary

33.7

27–41

42.2

35–50

 Upper secondary

51.2

47–55

58.5

55–62

 Higher education

72.7

67–78

78.5

73–83

Dual use, all 16–44 years b

(N = 142 before pregnancy)

76.8

69–83

90.8

85–95

  1. aTobacco use: daily and occasional use combined
  2. bThe quit rates for dual use include those who quit both products, as well as those who quit only one of the products. See text description