|  | Total sample |
---|---|---|
 | N | % |
Age | Â | Â |
 18-25 | 204 | 27.83 |
 26-35 | 178 | 24.28 |
 36-45 | 149 | 20.33 |
 46-64 | 202 | 27.56 |
Marital status | Â | Â |
 Unmarried | 269 | 36.65 |
 Married | 465 | 63.35 |
Socio-economic position | ||
Education level | Â | Â |
 Less than high school | 163 | 22.39 |
 High school | 443 | 60.85 |
 More than high school | 122 | 16.76 |
Primary source of income | Â | Â |
 Social allowances/other | 113 | 16.14 |
 Work | 587 | 83.86 |
Employment status | Â | Â |
 Unemployed or part time | 195 | 26.71 |
 Full time employment | 535 | 73.29 |
Health status | ||
Chronic disease | Â | Â |
 Yes | 227 | 30.88 |
 No | 508 | 69.12 |
Anxiety1 (mean (SD) range) | 733 | 16.03 (4.35) 5-39 |
Psychosocial factors | ||
Stressful life events1 (mean (SD) range) | 735 | 0.79 (1.29) 0-9 |
Social support1 (mean (SD) range) | 735 | 3.66 (0.97) 1-5 |
Smoking-related variables | ||
Age at smoking initiation | Â | Â |
 ≤15 years old | 133 | 18.29 |
 16-18 years | 365 | 50.21 |
 ≥19 years old | 229 | 31.50 |
Duration of smoking | Â | Â |
 ≥21 years | 238 | 36.56 |
 11-20 years | 155 | 23.81 |
 6-10 years | 133 | 20.43 |
 5 years or less | 125 | 19.20 |
Number of cigarettes per day | Â | Â |
 ≥31 cigarettes | 75 | 11.42 |
 21-30 cigarettes | 171 | 26.03 |
 11-20 cigarettes | 260 | 39.73 |
 ≤10 cigarettes | 150 | 22.83 |
Number of previous attempts to quit | Â | Â |
 Never | 434 | 60.78 |
 Once or twice | 158 | 22.13 |
 Three times or more | 122 | 17.09 |
Nicotine dependence score (FTND)1 (mean (SD) and range) | 672 | 4.17 (2.61) 0-10 |
Parents smoking | Â | Â |
 Yes | 396 | 45.30 |
 No | 328 | 54.70 |
Number of smokers at home | Â | Â |
 Two or more | 285 | 39.80 |
 One | 230 | 32.12 |
 None | 201 | 28.07 |
Smokes indoors | Â | Â |
 Yes | 492 | 67.58 |
 No | 236 | 32.42 |
Knowledge about the smoking hazards1 (mean (SD) range) | 735 | 2.45 (0.89) 0-3 |
Attitudes towards smoking prevention and cessation1 (mean (SD) range) | 735 | 2.19 (1.03) 0-3 |
Physician advice to quit smoking | Â | Â |
 No | 444 | 60.57 |
 Yes | 289 | 39.43 |