Table 4 Factors associated with ever using e-cigarettes among nursing students of Verona University
Risk factors | OR of e-cigarette ever use (95% CI) | p-value |
|---|---|---|
Smoking Habits | ||
 Never Smokers | 1 |  |
 Ex-Smokers | 5.97 (3.46–10.33) | < 0.001 |
 Occasional Smokers | 7.75 (5.07–11.85) | < 0.001 |
 Regular Smoker | 24.6 (16.62–36.50) | < 0.001 |
Gender | ||
 Male | 1 |  |
 Female | 0.45 (0.32–0.63) | < 0.001 |
Family history of smoking | ||
 None | 1 |  |
 Relative who smoked e-cigarettes | 0.68 (0.37–1.25) | 0.219 |
 Relative who smoked tobacco | 1.19 (0.92–1.53) | 0.178 |
Housemates currently smoking | ||
 None | 1 |  |
 Housemates smoking e-cigarettes | 2.54 (1.15–5.59) | 0.021 |
 Housemates smoking tobacco | 1.16 (0.94–1.43) | 0.163 |
Centre | ||
 Verona | 1 |  |
 Vicenza | 1.12 (1.01–1.24) | 0.027 |
 Legnago | 0.89 (0.85–0.94) | < 0.001 |
 Trento | 0.82 (0.73–0.91) | < 0.001 |
 Bolzano | 0.66 (0.63–0.69) | < 0.001 |
University class | ||
 1st year | 1 |  |
 2nd year | 1.01 (0.73–1.41) | 0.939 |
 3rd year | 0.79 (0.56–1.11) | 0.173 |