Table 6. Regression analysis findings of factors associated with adverse effects of khat use.
| Variables | Experiencing adverse effects | Adjusted OR (95% CI) | p-value | |
|---|---|---|---|---|
| Yes (%) | No (%) | |||
| Sex | ||||
| Male | 275 (81.8) | 61 (18.2) | 1.10 (0.62–2.05) | 0.060 |
| Female | 67 (79.8) | 17 (20.2) | 1.00 | |
| Use other substances* | ||||
| Yes | 286 (87.7) | 40 (12.3) | 4.80 (2.86–8.22) | < 0.001† |
| No | 56 (59.6) | 38 (40.4) | 1.00 | |
| Duration of khat use, year | ||||
| < 1 | 32 (80.0) | 8 (20.0) | 0.50 (0.26–0.97) | 0.040† |
| 1–3 | 70 (75.3) | 23 (24.7) | 0.94 (0.37–2.40) | |
| 4–10 | 171 (86.8) | 26 (13.2) | 1.18 (0.59–2.37) | |
| > 10 | 69 (76.7) | 21 (23.3) | 1.00 | |
| Frequency of khat use | ||||
| Daily | 237 (83.5) | 47 (16.5) | 2.50 (1.10–5.73) | 0.020† |
| Weekly | 85 (80.2) | 21 (19.8) | 1.20 (0.70–2.20) | |
| Occasionally | 20 (66.7) | 10 (33.3) | 1.00 | |
*tobacco, coffee, tea; †p < 0.050; 1: Reference; OR: odds ratio.