| Variables | Category | Smoker N % | Non-smoker | Total | Chisquare X2 | P-value P |
| Category of health workers | Physicians | 11 (7.6) | 134 (92.4) | 145 | 41.467 | 0.000 |
| Nurses | 4 (4.0) | 97 (96.0) | 101 | |||
| Pharmacists | 3 (11.1) | 24 (88.9) | 27 | |||
| Others | 6 (6.3) | 90 (93.7) | 96 | |||
| Professional Hierarchy of Physicians | Interns | 8 (11.3) | 63 (88.7) | 71 | 8.729 | 0.033 |
| Medical officers/Residents | 2 (4.1) | 47 (95.9) | 49 | |||
| Consultants | 1 (4.8) | 20 (95.2) | 21 | |||
| Professors | 0 (0) | 4 (100) | 4 | |||
| Sex | Male | 20 (10.0) | 180 (90.0) | 200 | 3.736 | 0.053 |
| Female | 4 (2.4) | 165 (97.6) | 169 | |||
| Age (Years) | <20 | 0 (0) | 4 (100) | 4 | 0.813 | 0.666 |
| 20 - 40 | 18 (6.4) | 262 (93.6) | 280 | |||
| >40 | 6 (7.1) | 79 (92.9) | 85 | |||
| Marital Status | Single | 13 (10.9) | 106 (89.1) | 119 | 26.618 | 0.000 |
| Married | 6 (3.0) | 193 (97.0) | 198 | |||
| Divorced | 2 (10.0) | 18 (90.0) | 20 | |||
| Widowed | 3(9.4) | 29 (90.6) | 32 |