Table 1. Demographic Characteristics and Odds Ratio of Factors Associated With Smoking Status Among Students of Mashhad University of Medical Sciences a, b.
| Features | Participants | Smoker | Odds Ratio | CI | P Value |
|---|---|---|---|---|---|
| Age, y | < 0.001 | ||||
| 18-21 | 547 (58.3) | 39 (7.2) | |||
| 22-25 | 335 (35.9) | 48 (14.3) | 2.161 | 1.383-3.378 | |
| ≥ 26 | 54 (5.8) | 5 (9.3) | 1.319 | 0.497-3.500 | 0.579 |
| Gender | < 0.0001 | ||||
| Female | 519 (55.4) | 13 (14.1) | |||
| Male | 417 (44.6) | 79 (85.9) | 9.097 | 4.980-16.619 | |
| Marital status | < 0.0001 | ||||
| Married | 159 (9) | 15 (9.4) | |||
| Single | 777 (83) | 77 (9.9) | 1.087 | 0.528-2.238 | |
| Ethnicity | |||||
| Fars | 734 (78.4) | 51 (6.9) | |||
| Turk | 54 (5.8) | 13 (24.1) | 4.246 | 2.139-8.429 | < 0.0001 |
| Kurd | 41 (4.4) | 3 (7.3) | 1.057 | 0.315-3.543 | 0.928 |
| Lor | 33 (3.5) | 15 (45.5) | 11.160 | 5.314-23.436 | < 0.0001 |
| Others | 74 (7.9) | 10 (13.5) | 2.101 | 0.946-4.665 | 0.068 |
a Abbreviation: CI, confidence interval.
b Data are presented as No. (%).