Table 1. Demographic characteristics of respondents.
| Characteristic | Number | Percentage |
| Smoking | 15 | 3.4 |
| Alcohol use | ||
| Beer | 10 | 2.3 |
| Wine | 13 | 3.0 |
| Whisky | 10 | 2.3 |
| Other liquor | 8 | 1.8 |
| Religion | ||
| Islam | 270 | 61.4 |
| Christianity | 169 | 38.4 |
| Traditional | 1 | 0.2 |
| Ethnic group | ||
| Yoruba | 434 | 98.6 |
| Ibo | 5 | 1.2 |
| Isoko | 1 | 0.2 |
| Educational level | ||
| No formal education | 225 | 51.1 |
| Primary education | 86 | 19.5 |
| Secondary education | 49 | 11.1 |
| Post-secondary education | 77 | 17.5 |
| Other (Arabic school) | 3 | 0.7 |
| Occupation | ||
| Trading | 220 | 50.0 |
| Artisan | 49 | 11.1 |
| Teaching/civil servant | 43 | 9.8 |
| Retired/not working | 113 | 25.7 |
| Religious teachers | 15 | 3.4 |
| Taking antihypertensive medication | 257 | 58.5 |