Logistic regression model of university type
| Variable | Type of university | Adjusted OR (95% CI) | P value | ||||
| SFC | NSFC | ||||||
| Mean (SD) | n (%) | Mean (SD) | n (%) | ||||
| Gender | Male | 383 (36.0) | 355 (34.1) | 0.87 (0.72 to 1.04) | 0.13 | ||
| Female | 680 (64.0) | 685 (65.9) | 1 | ||||
| Age | 23.8 (6.45) | 24.0 (6.91) | 1.0 (0.98 to 1.03) | 0.97 | |||
| Education level | Secondary school | 308 (29.0) | 329 (31.6) | 1 | 0.13 | ||
| Undergraduate | 691 (65.0) | 656 (63.1) | 0.88 (0.73 to 1.06) | ||||
| Postgraduate | 64 (6.0) | 55 (5.3) | 0.66 (0.43 to 1.02) | ||||
| Campus role | Student | 934 (87.9) | 889 (85.5) | 0.81 (0.63 to 1.05) | 0.11 | ||
| Staff | 129 (12.1) | 151 (14.5) | 1 | ||||
| Monthly income | <RM3000 | 961 (90.4) | 934 (89.8) | 1 | 0.97 | ||
| ≥RM3000 | 102 (9.6) | 106 (10.2) | 0.99 (0.61 to 1.6) | ||||
| Smoking status | Non-smoker | 1008 (94.8) | 970 (93.3) | 1 | 0.33 | ||
| Smoker | 55 (5.2) | 70 (6.7) | 0.91 (0.76 to 1.1) | ||||
| Smoking knowledge | 0–8 (≤50%) | 334 (31.4) | 356 (34.2) | 1 | 0.30 | ||
| 9–16 (>50%) | 729 (68.6) | 684 (65.8) | 0.91 (0.75 to 1.09) | ||||
| Smoking attitude | Negative | 1018 (95.8) | 973 (93.6) | 1.56 (1.06 to 2.3) | 0.03 | ||
| Positive | 45 (4.2) | 67 (6.4) | 1 | ||||
| Smoking practice | Negative | 953 (89.7) | 913 (87.8) | 1.5 (0.76 to 1.44) | 0.78 | ||
| Positive | 110 (10.3) | 127 (12.2) | 1 | ||||
Backward likelihood ratio multiple logistic regression was applied. Hosmer-Lemeshow test p=0.92 was accepted to check model fitness.
NSKC, non-SKC; SKC, smoke-free campus.