Table 2 Unadjusted and Adjusted Odds Ratios (OR) for Current Smoking
From: College campus smoking policies and programs and students' smoking behaviors
| Â | Unadjusted OR (95% CI) | p | Adjusted OR (95% CI) | p |
|---|---|---|---|---|
College-level policies and programs | Â | Â | Â | Â |
Restrict tobacco distribution | 1.12 (0.82–1.52) | 0.48 | 1.00 (0.90–1.11) | 0.97 |
Prohibit tobacco sales on campus | 0.82 (0.67–1.02) | 0.07 | 0.95 (0.83–1.08) | 0.43 |
Restrict smoking to 20 ft. from entrances | 0.83 (0.67–1.03) | 0.09 | 0.91 (0.79–1.04) | 0.15 |
Prohibit smoking in residence halls | 1.21 (0.94–1.54) | 0.14 | 1.02 (0.91–1.36) | 0.77 |
Clearly identify non-smoking areas | 1.48 (1.21–1.81) | <0.01 | 1.45 (1.32–1.60) | <0.01 |
Provide prevention and education | 0.95 (0.66–1.39) | 0.81 | 0.77 (0.63–0.93) | <0.01 |
Provide smoking cessation classes | 0.95 (0.66–1.37) | 0.80 | 1.30 (1.17–1.45) | <0.01 |
Student-level control variables | Â | Â | Â | Â |
Age group (referent = 18–19) |  |  |  |  |
   20–21 | - |  | 0.92 (0.84–1.01) | 0.07 |
   ≥22 | - |  | 0.85 (0.74–0.98) | 0.02 |
Race/Ethnicity (referent = white) | Â | Â | Â | Â |
   Hispanic | - |  | 0.85 (0.72–1.00) | 0.05 |
   Black | - |  | 0.51 (0.37–0.69) | <0.02 |
   Others | - |  | 0.94 (0.87–1.01) | 0.11 |
Gender (referent = male) | Â | Â | Â | Â |
   Female | - |  | 0.94 (0.90–0.99) | 0.02 |
Roommate smokes (referent = no roommate) | Â | Â | Â | Â |
   Yes | - |  | 1.42 (1.26–1.59) | <0.01 |
   No | - |  | 0.67 (0.64–0.70) | <0.01 |
% of friends who smoke (referent = ≤20%) |  |  |  |  |
   21–50% | - |  | 2.62 (2.46–2.79) | <0.01 |
   ≥50% | - |  | 6.44 (5.45–7.60) | <0.01 |
College (referent = applied science) | Â | Â | Â | Â |
   Arts | - |  | 1.02 (0.83–1.27) | 0.84 |
   Business | - |  | 0.91 (0.79–1.03) | 0.14 |
   Engineering | - |  | 0.80 (0.73–0.89) | <0.01 |
   Human Sciences | - |  | 0.96 (0.82–1.12) | 0.62 |
   Mass Communications | - |  | 0.99 (0.85–1.15) | 0.88 |
   Others | - |  | 1.18 (1.02–1.37) | 0.03 |
Academic classification (referent = freshman) | Â | Â | Â | Â |
   Sophomore | - |  | 0.86 (0.74–0.99) | 0.04 |
   Junior | - |  | 0.79 (0.67–0.93) | 0.01 |
   Senior | - |  | 0.79 (0.72–0.86) | <0.01 |
   Graduate | - |  | 0.59 (0.50–0.69) | <0.01 |
Fraternity/sorority member (referent = no) | Â | Â | Â | Â |
   Yes | - |  | 1.09 (0.98–1.22) | 0.12 |
Intercollegiate athlete (referent = no) | Â | Â | Â | Â |
   Yes | - |  | 0.93 (0.80–1.07) | 0.30 |