Table 1. Results of theUni-variate and Multiple Logistic Regression Analysis.
| Demographics | Current smokers (n = 55) | Non-smokers (n = 310) | OR (95% CI)a | P | OR (95% CI) b | P |
|---|---|---|---|---|---|---|
| Age, y, Mean ± SD | 16.92 ± 1.11 | 16.42 ± 1.09 | 1.51 (1.15-1.97) | < 0.002 | 1.24 (.74-2.09) | 0.40 |
| Smoking friends, No. (%) | ||||||
| No | 19 (3.83) | 201 (54.24) | 1.0 (Ref.) | |||
| Yes | 36 (11.23) | 109 (30.68) | 3.49 (1.91-6.38) | < 0.001 | 3.76 (1.20-11.76) | 0.02 |
| Smoking parents, No. (%) | ||||||
| No | 22 (6.02) | 246 (67.39) | 1.0 (Ref.) | |||
| Yes | 33 (9.04) | 64 (17.53) | 2.56 (1.39-4.69) | < 0.002 | 4.75 (1.38-12.35) | 0.01 |
| Smoking siblings, No. (%) | ||||||
| No | 43 (10.95) | 283 (77.53) | 1.0 (Ref.) | |||
| Yes | 15 (4.10) | 27 (7.39) | 3.93 (1.92-8.01) | < 0.001 | 4.21 (1.17-11.16) | 0.02 |
| Behavioral constructs, Mean ± SD | ||||||
| Knowledge, | 20.05 ± 2.00 | 21.73 ± 2.57 | 0.74 (0.65-0.85) | < 0.001 | 0.75 (0.59-0.97) | 0.02 |
| Attitude | 8.98 ± 5.31 | 16.61 ± 3.69 | 0.68 (0.62-0.74) | < 0.001 | 0.75 (0.65-0.86) | 0.001 |
| Self-efficacy | 9.58 ± 4.29 | 17.25 ± 3.32 | 0.66 (0.59-0.72) | < 0.001 | 0.82 (0.71-0.95) | 0.009 |
| Subjective norms | 15.63 ± 3.11 | 20.55 ± 3.24 | 0.78 (0.72-0.85) | < 0.001 | 0.84 (0.72-0.98) | 0.02 |
| Psychological factors, Mean ± SD | ||||||
| Self-esteem | 23.72 ± 7.35 | 30.06 ± 5.47 | 0.84 (0.80-0.89) | < 0.001 | 0.99 (0.91-1.08) | 0.98 |
| Perceived stress | 5.54 ± 2.22 | 3.47 ± 2.03 | 1.70 (1.43-2.02) | < 0.001 | 1.13 (0.83-1.53) | 0.42 |
| Perceived depression | 6.89 ± 2.28 | 3.90 ± 2.22 | 1.65 (1.43-1.90) | < 0.001 | 1.24 (0.97-1.58) | 0.07 |
aObtained from univariate analysis
bAdjusted OR obtained from multiple logistic regression analysis