Table 1.
Socio-demographic characteristics of study participants
| Variables | Socio-demographic characteristics | Study group (n = 55) | Control group (n = 55) | ||
|---|---|---|---|---|---|
| Frequency | Percentage (%) | Frequency | Percentage (%) | ||
| Sex | Male | 41 | 74.5 | 41 | 74.5 |
| Female | 14 | 25.5 | 14 | 25.5 | |
| Age group (years) | 20–30 | 34 | 61.8 | 34 | 61.8 |
| 31–40 | 14 | 25.5 | 14 | 25.5 | |
| 41–50 | 5 | 9.1 | 5 | 9.1 | |
| 51–60 | 2 | 3.6 | 2 | 3.6 | |
| Address | Gondar | 52 | 94..5 | Journal 49 | 89.1 |
| Around Gondar | 3 | 5.5 | 6 | 10.9 | |
| Marital status | Single | 28 | 50.9 | 32 | 58.2 |
| Married | 22 | 40 | 23 | 41.8 | |
| Widowed | 5 | 9.1 | 0 | 0 | |
| Religion | Orthodox | 45 | 81.8 | 46 | 83.6 |
| Muslim | 9 | 16.4 | 1 | 1.8 | |
| Protestant | 1 | 1.8 | 8 | 14.8 | |
| Educational status | Unable to read and write | 2 | 3.6 | 0 | 0 |
| Primary school | 8 | 14.5 | 0 | 0 | |
| Secondary school | 29 | 52.7 | 0 | 0 | |
| Above secondary school | 16 | 29.1 | 55 | 100 | |
| Petrol exposure in (year) | 1–5 | 31 | 56.3 | - | - |
| 6–10 | 4 | 7.3 | - | - | |
| > 10 | 20 | 36.4 | - | - | |