Table 1.
Socio-demographic characteristics of the patients.
| Variable | N | % |
| Sex | ||
| Male | 110 | 56.4 |
| Female | 85 | 43.6 |
| Age range | ||
| 20-29 | 41 | 21.0 |
| 30-39 | 52 | 26.7 |
| 40-49 | 39 | 20.0 |
| 50-59 | 24 | 12.3 |
| 60-69 | 21 | 10.8 |
| 70-79 | 18 | 9.2 |
| Mean +/- SD | 43.5 +/- 15.6 | |
| Level of Education | ||
| No formal education | 18 | 9.2 |
| Primary | 28 | 14.4 |
| Secondary | 57 | 29.2 |
| Tertiary | 92 | 47.2 |
| Marital status | ||
| Single | 53 | 27.2 |
| Married | 116 | 59.5 |
| Others: Separated, Divorced, Widow(er) | 26 | 13.3 |
| Consumption of alcohol | ||
| No | 125 | 64.1 |
| Past use Current use | 27 | 13.8 |
| Sometimes | 39 | 20.0 |
| Regularly | 4 | 2.1 |
| Smoking and use of tobacco | ||
| Never | 169 | 86.7 |
| Past use | 16 | 8.2 |
| Current use | 10 | 5.1 |
| Hours at work | ||
| < 5 | 22 | 11.3 |
| 5-8 | 101 | 51.8 |
| > 8 | 72 | 36.9 |