| Part 1: P(nb cig > 0) N = 721 | Part 2: log(nb cig) N = 245 | ||||
---|---|---|---|---|---|---|
Variable | OR | β/σ |  | exp(β) | β/σ |  |
Academic discipline (ref = sociology) | Â | Â | Â | Â | Â | Â |
• English as a foreign language |  |  |  | 1.0318 | 0.09 |  |
• Medicine | - | 0.4828 | -3.25 | ** | ||
• Nursing |  |  |  | 0.6809 | -2.16 |  |
Perceived approval of regular smoking by friends (ref = strong disapproval) | Â | Â | Â | Â | Â | Â |
• Approval | 4.5358 | 5.08 | *** | 2.9571 | 3.41 | ** |
• Disapproval | 1.6844 | 2.13 | * | 2.4925 | 6.28 | *** |
Perceived proportion of friends smoking (ref = none) | Â | Â | Â | Â | Â | Â |
• <33% | 1.2195 | 0.52 |  |  |  |  |
• Half | 3.4953 | 3.13 | ** | - | ||
• >66% | 2.6591 | 2.61 | ** |  |  |  |
Smoke discomfort in university (ref = never) | Â | Â | Â | Â | Â | Â |
• Seldom | 0.4227 | -2.15 | * | 0.6747 | -2.33 | * |
• Sometimes | 0.2606 | -3.18 | ** | 0.2849 | -4.45 | ** |
• Often | 0.1572 | -3.19 | ** | 0.1264 | -4.29 | ** |
Position about smoke-free universities (ref = against) | Â | Â | Â | Â | Â | Â |
• Indifferent | 0.2288 | -2.62 | ** | 0.5718 | -2.98 | * |
• Mostly for | 0.1506 | -3.99 | *** | 0.5687 | -1.99 |  |
• Totally for | 0.0756 | -6.54 | *** | 0.4794 | -3.52 | ** |
Tobacco perception score (high scores = positive perceptions) | 1.1635 | 3.63 | *** | - | ||
Beliefs about tobacco industry score (high scores = negative beliefs) | - | 1.0342 | 2.26 | * | ||
Binge drinking (ref = no) | Â | Â | Â | Â | Â | Â |
• Occasional (< 4 times/month) | 2.9303 | 2.54 | * | - | ||
• Weekly (≥ 4 times/month) | 1.3186 | 0.39 |  |  |  |  |
Cannabis use (ref = no use) | Â | Â | Â | Â | Â | Â |
• Occasional (≤ 1/week) | 3.4140 | 3.62 | *** | - | ||
• Regular (> 1/week) | 8.2666 | 2.13 | * |  |  |  |
Gender (ref = male) | 2.7103 | 2.80 | ** | - | ||
Age | - | 1.0366 | 3.13 | * | ||
Constant (exponentiated) | 0.2899 | -1.40 | Â | 30.9910 | 8.22 | *** |
Duan's smearing estimator | Not applicable | 2.2494 | Not applicable |