Table 2 Factors associated with intention to quit by tobacco user groups: multiple logistic regression analysis

Demographic characteristics

Age group

  18–24

11.3

69.7

1

5.9

37.4

1

18

63.4

1

  25–44

51.9

57.0

0.52 [0.24–1.10]

45.2

57

0.91 [0.17–4.96]

51.6

64.9

0.72 [0.08–6.52]

  45–64

30.2

59.4

0.62 [0.27–1.38]

42.9

54.6

1.16 [0.19–6.95]

28.9

44.1

0.27 [0.02–3.04]

   ≥ 65

6.5

51.9

0.45 [0.18–1.11]

6.0

59.7

1.20 [0.15–9.82]

1.5

47.0

-

Education level

  Primary or less

19.4

51.4

1

11.2

47.5

1

4.5

74.2

1

  Secondary school

54.1

60.5

1.12 [0.74–1.69]

66.5

49.8

0.83 [0.27–2.49]

57.2

59.4

0.24 [0.04–1.63]

  High school or higher

26.5

61.6

1.16 [0.70–1.94]

22.3

74.4

2.03 [0.58–7.08]

38.3

55.0

0.16 [0.02–1.04]

Marital status

  Unmarried

18.7

64.0

1

6.7

37.5

1

20.4

57.9

1

  Married

77.9

57.8

0.90 [0.46–1.76]

92.2

56.4

1 [0.17–5.98]

76.2

58.2

1.38 [0.17–11.00]

  Separated/divorced/widowed

3.4

60.2

1.21 [0.50–2.92]

1.1

45.9

1.26 [0.12–12.95]

3.4

65.2

4.91 [0.31–77.02]

Having children at home

  No

40.6

57.4

1

41.7

45.6

1

34.6

53.6

1

  Yes

59.4

60.2

1.28 [0.87–1.89]

58.3

61.7

1.8 [0.84–3.83]

65.4

60.9

1.04 [0.29–3.75]

Tobacco use behaviors

  Age at tobacco use initiation, mean (ci)

19.8 (19.4–20.1)

20.2 (19.7–20.6)

1.05* [1.01–1.08]

21.4 (20.4–22.5)

22.5 (21.0–24.0)

1.04 [1.00–1.09]

16.9 (16.3–17.5)

17.2 (16.3–18.2)

1.07 [0.95–1.20]

  Number of cigarettes per day, mean (ci)

14.1 (13.5–14.7)

13.5 (12.8–14.2)

0.99 [0.97–1.02]

-

-

-

12.4 (10.9–14.0)

11.4 (9.3–13.4)

0.96 [0.88–1.04]

  Number of WP sessions smoked per day, mean (ci)

-

-

-

14.3 (12.6–15.9)

14.6 (12.1–17.0)

1.01 [0.98–1.05]

12.5 (10.4–14.5)

13.2 (10.6–15.9)

1.02 [0.96–1.09]

Time to the first use of cigarette/waterpipe after waking

  Within 5 min

12.2

47.1

1

28.1

57.9

1

37.8

61.3

1

  6–30 min

46

55.5

1.33 [0.83–2.12]

42.5

51.8

1.21 [0.61–2.41]

44.8

61.0

1.20 [0.30–4.73]

  31–60 min

20.1

63

1.69 [0.98–2.89]

20

51.9

1.2 [0.47–3.03]

7.8

33.0

0.21 [0.04–1.30]

   > 60 min

21.7

69.6

2.12** [1.21–3.70]

9.4

67.5

1.84 [0.48–7.05]

9.6

55.0

0.89 [0.13–5.97]

Perceived harm from tobacco use

Cigarette and waterpipe use causes severe illness

  Do not cause severe illness

0.8

11.2

1

0.4

0

-

0.8

0

-

  Only waterpipe causes severe illness

2.1

50.5

10.21* [1.49–69.80]

2.6

35.1

0.16* [0.03–0.83]

1

0

-

  Only cigarette causes severe illness

5.6

68.1

13.54** [2.29–80.16]

2.5

53.1

1.87 [0.31–11.45]

6.2

10.4

0.07* [0.01–0.95]

  Both cause severe illness

91.5

59.1

8.95** [1.81–44.29]

94.6

55.8

1

92.1

62.7

1

Perceived harm from their tobacco product compares to another

  Less harmful

30.3

56.1

1

81

53.1

1

-

-

-

  Equally harmful

34.7

54.9

0.94 [0.62–1.44]

16.7

61.6

1.28 [0.50–3.28]

-

-

-

  More harmful

35

67.2

1.72* [1.07–2.78]

2.2

73.6

1.55 [0.27–8.83]

-

-

-

Regulation/policy effect

Tobacco use regulation at home

  No ban

59.5

56.1

1

61.6

42.1

1

64.7

55.2

1

  Partial ban

29.3

59.9

1.1 [0.78–1.54]

27.2

77.6

4.42*** [1.98–9.85]

24.1

70.1

1.80 [0.50–6.42]

  Comprehensive ban

11.2

72.5

1.58 [0.91–2.75]

11.2

70.9

3.05 [0.94–9.85]

11.2

51.1

1.11 [0.27–4.62]

Exposed to anti-smoking campaigns or encouragement to quit information (within the last 30 days)

  No

22.3

52.4

1

21.2

36.9

1

23

32.1

1

  Yes

77.7

60.9

1.51 [1.00–2.29]

78.8

59.8

2 [0.78–5.12]

77

66.2

5.35* [1.49–19.26]

Exposed to advertisements/signage to promote tobacco products (within the last 30 days)

  No

86.2

58.9

1

90.9

53.9

1

83.4

55.7

1

  Yes

13.8

60

1.07 [0.69–1.65]

9.1

66.1

1 [0.33–3.00]

16.6

71.5

2.04 [0.47–8.89]

N

963

255

125