Table 2 Comparisons of socio-demographic characteristics and khat chewing status
|  | Non-khat Chewers (%) | Khat Chewers (%) | Total (%) |   OR (95% CI) |
|---|---|---|---|---|
Marital status | Â | Â | Â | Â |
 Not-Married | 85 (33.7) | 167 (66.5) | 252 (40.0) | Reference |
 Married | 230 (60.8) | 148 (39.2) | 378 (60.0) | 0.328 (0.235, 0.457) |
 Total | 315 (50.0) | 315 (50.0) | 630 (100) |  |
Employment | Â | Â | Â | Â |
 Self-employed | 94 (80.3) | 23 (19.7) | 117 (18.6) | Reference |
 Government employed | 84 (72.4) | 32 (27.6) | 116 (18.4) | 1.557 (0.845, 2.869) |
 Private employed | 62 (63.9) | 35 (36.1) | 97 (15.4) | 2.307 (1.246, 4.272) |
 Unemployed | 33 (37.9) | 54 (62.1) | 87 (13.8) | 6.688 (3.566, 12.542) |
 Student | 42 (19.7) | 171 (80.3) | 213 (33.8) | 16.640 (9.436, 29.34) |
 Total | 315 (50.0) | 315 (50.0) | 630 (100) |  |
Age (years) | Â | Â | Â | Â |
 18 – 24 | 63 (34.8) | 118 (65.2) | 181 (28.7) | Reference |
 25 – 34 | 49 (32.0) | 104 (68.0) | 153 (24.3) | 1.133 (0.717, 1.790) |
 35 – 44 | 101 (62.3) | 61 (37.7) | 162 (25.7) | 0.322 (0.207, 0.501) |
 ≥ 45 | 102 (76.1) | 32 (23.9) | 134 (21.3) | 0.167 (0.101, 0.276) |
 Total | 315 (50.0) | 315 (50.0) | 630 (100) |  |
Education | Â | Â | Â | Â |
 No formal schooling | 18 (21.7) | 65 (78.3) | 83 (13.2) | Reference |
 Primary school | 17 (20.2) | 67 (79.8) | 84 (13.3) | 1.091 (0.518, 2.300) |
 Secondary school | 73 (41.5) | 103 (58.5) | 176 (27.9) | 0.391 (0.214, 0.713) |
 Diploma | 116 (65.2) | 62 (34.8) | 178 (28.3) | 0.148 (0.081, 0.271) |
 Degree | 91 (83.5) | 18 (16.5) | 109 (17.3) | 0.055 (0.026, 0.113) |
 Total | 315 (50.0) | 315 (50.0) | 630 (100) |  |