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Table 1 Sample characteristics

From: Are smokers who are regularly exposed to e-cigarette use by others more or less motivated to stop or to make a quit attempt? A cross-sectional and longitudinal survey

 

Baseline sample

(n = 12,787)

Follow-up sample

(n = 1580)

p*

Demographic characteristics

 Age, % (n)

  16–24

19.1 (2439)

11.9 (188)

< 0.001

  25–34

19.5 (2495)

13.1 (207)

–

  35–44

15.9 (2033)

14.0 (221)

–

  45–54

16.9 (2163)

20.5 (324)

–

  55–64

14.7 (1883)

20.6 (325)

–

  65+

13.9 (1774)

19.9 (315)

–

 Sex, % (n)

  Men

53.2 (6799)

52.5 (829)

0.227

  Women

49.8 (5988)

47.5 (751)

–

 Social grade, % (n)

  ABC1

40.3 (5156)

43.5 (687)

< 0.001

  C2DE

59.7 (7631)

56.5 (893)

–

Smoking characteristics

 Exposure to e-cigarette use by others, % (n)

  No

74.2 (9484)

74.6 (1179)

0.688

  Yes

25.8 (3303)

25.4 (401)

–

 Exposure to cigarette smoking by others, % (n)

  No

33.6 (4294)

36.0 (569)

0.002

  Yes

66.4 (8493)

64.0 (1011)

–

 Own e-cigarette use†, % (n)

  No

80.4 (10284)

79.0 (1248)

0.416

  Yes

19.6 (2503)

21.0 (332)

–

 Past quit attempt, % (n)

  No

71.8 (9178)

71.0 (1122)

0.203

  Yes

28.2 (3609)

29.0 (458)

–

 High motivation to stop smoking, % (n)

  No

85.1 (10887)

85.0 (1343)

0.605

  Yes

14.9 (1900)

15.0 (237)

–

 Prospective quit attempt, % (n)

  No

NA

67.9 (1073)

–

  Yes

NA

32.1 (507)

–

  1. *Comparison of participants who did and did not provide follow-up data
  2. †Assessed with the question: ‘Are you using any of the following either to help you stop smoking, to help you cut down or for any other reason at all?’