Independent variables | Users (n = 275) | Non-users (n = 1269) | Odd ratios (95% CI) | P-value |
---|---|---|---|---|
Female gender, n (%) | 203 (73.8) | 624 (49.2) | 2.92 (2.18–3.90) | <0.001 |
Age, | ||||
 18–34 | 51 (18.5) | 341 (26.9) | ref |  |
 35–54 | 114 (41.5) | 553 (43.6) | 1.38 (0.97–1.97) | 0.078 |
  ≥ 55 | 110 (40.0) | 375 (29.6) | 1.96 (1.36–2.82) | <0.001 |
Family income (per year) | ||||
  < 22,000 US | 127 (59.9) | 452 (42.9) | 2.01 (1.40–2.89) | <0.001 |
 22,000–33,000 US | 38 (17.9) | 265 (25.2) | 1.03 (0.65–1.62) | 0.915 |
  > 33,000 US | 47 (22.2) | 336 (31.9) | ref |  |
Diagnosis, n (%) | ||||
 Nicotine use disorder | 41 (14.9) | 310 (24.5) | 0.54 (0.38–0.77) | 0.001 |
 Alcohol use disorder | 61 (22.3) | 586 (46.4) | 0.33 (0.24–0.45) | <0.001 |
 Anxiety disorder | 137 (51.3) | 412 (32.9) | 2.15 (1.65–2.81) | <0.001 |
 Depressive disorder | 175 (64.6) | 225 (20.1) | 7.24 (5.45–9.62) | <0.001 |
 Dysthymic disorder | 21 (9.3) | 36 (2.9) | 3.41 (1.95–5.97) | <0.001 |
 Psychotic disorder | 9 (3.3) | 25 (2.0) | 1.69 (0.78–3.66) | 0.186 |
 Somatoform disorder | 17 (6.6) | 85 (6.9) | 0.96 (0.56–1.65) | 0.884 |