Table 1

Prevalence of use of HTPs, cigarettes and e-cigarettes, and the association between HTP and e-cigarette use and attempts to quit cigarette smoking

TotalHTP use: everCigarette use: current
AllAttempted to quit cigarette smoking
n% (95% CI)n% (95% CI)n% (95% CI)n%* (95% CI)n/aOR† (95% CI)P value
Total 59 532100.014962.8 (2.5 to 3.0)36116.5 (6.1 to 6.9)258471.7 (70.3 to 73.2)3611
HTP
 Never58 03697.2 (97.0 to 97.5)248568.1 (66.2 to 70.0)175870.9 (69.1 to 72.7)Reference
 Ever14962.8 (2.5 to 3.0)112631.9 (30.0 to 33.8)82673.6 (71.2 to 76.0)1.07
(0.91 to 1.26)
0.4181
Cigarette
 Never51 33485.6 (84.9 to 86.2)1399.3 (7.8 to 10.8)
 Ever819814.4 (13.8 to 15.1)135790.7 (89.2 to 92.2)
 Current36116.5 (6.1 to 6.9)112675.5 (73.4 to 77.7)
E-cigarette
 Never55 28492.3 (91.8 to 92.7)19912.8 (11.2 to 14.4)133634.8 (33.0 to 36.6)91067.9 (65.4 to 70.3)Reference
 Ever42487.7 (7.3 to 8.2)129787.2 (85.6 to 88.8)227565.2 (63.4 to 67.0)167473.8 (72.0 to 75.6)1.35
(1.16 to 1.58)
0.0002
 Current13712.6 (2.3 to 2.8)66845.6 (43.0 to 48.2)110831.8 (30.0 to 33.5)81273.8 (71.3 to 76.3)
Cigarette and e-cigarette
 Current dual11082.1 (1.9 to 2.3)59540.3 (37.8 to 42.7)
  • Descriptive data are summarised in unweighted frequencies (n) and weighted percentages (%).

  • The results from unadjusted (not shown) and adjusted models were consistent.

  • *Per cent among current cigarette smokers.

  • †Adjusted for sex, age, perceived household wealth, age at cigarette smoking initiation and past 12-month participation in school-based smoking prevention education.

  • HTP, heated tobacco product.