| Characteristics | n 565 | (%) 100.0 |
| Sex | ||
| Male | 226 | 40.0 |
| Female | 339 | 60.0 |
| Age group (year) | ||
| 30 - 39 | 66 | 11.7 |
| 40 - 49 | 74 | 13.1 |
| 50 - 59 | 154 | 27.2 |
| ³60 | 271 | 48.0 |
| Educational level | ||
| Secondary school and upper | 86 | 15.3 |
| Primary school | 373 | 66.0 |
| Illiterate | 106 | 18.7 |
| Marital status | ||
| Married | 430 | 76.1 |
| Unmarried | 135 | 23.9 |
| Job status | ||
| No | 416 | 73.6 |
| Yes | 149 | 26.4 |
| Cigarette consumption | ||
| Yes | 136 | 24.1 |
| No | 429 | 75.9 |
| Alcohol consumption | ||
| Yes | 72 | 12.7 |
| No | 493 | 87.3 |
| Salt supplement | ||
| Yes | 292 | 51.7 |
| No | 273 | 48.3 |
| Oil type | ||
| Vegetable | 535 | 94.7 |
| Animal | 30 | 5.3 |
| Regularly physical activity | ||
| Yes | 243 | 43.0 |
| No | 322 | 57.0 |
| Obesity | ||
| Yes | 206 | 36.5 |
| No | 359 | 63.5 |
| Chronicle disease | ||
| Yes | 207 | 36.6 |
| No | 358 | 63.4 |
| Family history of hypertension | ||
| Yes | 292 | 51.7 |
| No | 273 | 48.3 |