Prevalence (%)

n

Never smoker n = 638

Former smoker n = 110

Smoker n = 197

p Value

Gender

0.0042

Male

448

63.2 (57.5 - 68.6)

24.8 (20.9 - 29.1)

12.0 (9.1 - 15.5)

Female

507

72.4 (65.9 - 72.7)

16.7 (13.1 - 21.0)

10.8 (7.4 - 15.6)

Age

0.0002

20 to 29

280

77.6 (72.8 - 81.9)

15.5 (11.8 - 19.9)

6.9 (4.1 - 11.3)

30 to 39

246

69.3 (61.0 - 76.6)

20.5 (14.6 - 28.0)

10.1 (64.0 - 15.6)

40 to 49

418

60.2 (53.1 - 66.9)

24.6 (20.6 - 29.2)

15.1 (11.2 - 20.2)

Number or chronic disease

0.0000

0

595

73.0 (68.8 - 76.8)

20.0 (17.2 - 23.2)

7.0 (4.9 - 10.1)

1

228

63.3 (54.0 - 71.7)

21.1 (15.4 - 28.3)

15.6 (10.2 - 23.1)

2 and more

122

52.1 (40.6 - 63.4)

23.1 (15.3 - 33.3)

24.9 (17.3 - 34.3)

Nicotine dependence

Mild n = 93

Moderate n = 71

Heavy n = 32

Gender

0.8350

Male

46.3 (35.3 - 57.8)

37.6 (28.0 - 48.2)

16.1 (9.8 - 25.4)

Female

49.6 (40.8 - 58.3)

33.6 (24.6 - 44.1)

16.8 (10.6 - 25.6)

Age

0.1318

20 to 29

55.9 (38.1 - 72.3)

29.1 (15.2 - 48.6)

15.0 (6.6 - 30.3)

30 to 39

58.3 (44.0 - 71.3)

24.8 (14.9 - 38.2)

17.0 (8.4 - 31.1)

40 to 49

38.7 (29.9 - 48.3)

44.5 (34.2 - 55.2)

16.8 (10.8 - 25.2)

Number or chronic disease

0.0001

0

53.9 (44.1 - 63.5)

34.1 (24.7 - 45.0)

11.9 (6.8 - 20.2)

1

45.5 (33.2 - 58.5)

21.3 (11.9 - 35.2)

33.2 (20.7 - 48.6)

2 and more

24.4 (12.9 - 41.2)

68.1 (49.5 - 82.3)

7.6 (1.9 - 25.9)