Table 2

Comparison of baseline characteristics of smokers in the intervention and control groups
Intervention Control
N = 386 (40.9%) N = 557 (59.1%)
N % μ SD* N % μ SD* p**
Sociodemographic variables
Age 364 16.9 1.0 17.0 1.0 0.16
Sex 0.001
  Male 310 80.3 490 88.0
  Female 76 19.7 67 12.0
Area of learning 0.09
  BPW£ 472 62.3 681 65.6
  Catering industry 171 22.6 236 22.7
  Personal services 115 15.2 121 11.7
Cannabis consumption 203 54.3 334 62.2 0.02
Smoking behaviour
Age at first cigarette 346 12.1 2.1 514 12.2 2.1 0.59
Age at which smoking became a daily occurrence 324 13.7 1.6 488 13.9 1.7 0.25
Current number of cigarettes/day 365 13.0 8.5 536 12.7 7.3 0.62
Motivation for quitting smoking (scale: 0 to 10) 171 3.2 3.1 280 3.4 3.0 0.53
Chances of succeeding (scale: 0 to 10) 170 4.3 3.1 278 4.8 3.2 0.16
HONC score 351 6.4 2.7 538 5.9 2.9 0.01
Type of smoking behaviour 0,38
  Casual 21 12.2 27 9.6
  Daily 151 87.8 254 90.4
Heavy smokers (>10 cig/d) 174 48.6 255 48.5 0.97
Number of attempts to quit smoking 0.50
  Never 106 39.7 146 36.8
  Once 77 28.8 119 30.0
  2 to 3 times 72 27.0 101 25.4
  4 to 5 times 8 3.0 19 4.8
  More than 5 times 4 1.5 12 3.0
Physician consultations about quitting smoking 3 1.7 6 2.1 0.77
Use of a nicotine substitute to quit smoking 11 6.4 22 7.9 0.55
Intention to quit smoking within the next six months 80 30.7 109 29.5 0.75

*SD = standard deviation **p-value <0.05.

Data are mean ± SD.

£ BPW: building and public works; HONC: Hooked On Nicotine Checklist.

Minary et al.

Minary et al. BMC Public Health 2013 13:149   doi:10.1186/1471-2458-13-149

Open Data