Table 1.
Characteristics of the study population.
| Variable | n (%) |
|---|---|
| Gender | |
| Female | 901 (58.6) |
| Male | 636 (41.4) |
| Age | |
| Under 30 years | 788 (52.7) |
| 30–49 years | 570 (38.2) |
| 50+ years | 136 (9.1) |
| Region of residence | |
| Central | 672 (43.8) |
| East | 236 (15.4) |
| West | 329 (21.4) |
| North | 190 (12.4) |
| South | 109 (7.1) |
| Education | |
| Minimal schooling (1–12 years) | 310 (20.2) |
| University | 999 (65.0) |
| Higher education (postgraduate) | 228 (14.8) |
| Occupation | |
| Student | 588 (38.3) |
| Employed | 638 (41.5) |
| Retired/unemployed | 311 (20.2) |
| Average monthly income | |
| Below 10,000 SR | 443 (29.0) |
| 10,000–15,000 SR | 429 (28.1) |
| 15,000–20,000 SR | 276 (18.1) |
| More than 20,000 SR | 377 (24.7) |
| Smoking | |
| Current smoker | 208 (13.6) |
| Former smoker | 87 (5.7) |
| Nonsmoker | 1239 (80.8) |
| Chronic diseases | 234 (15.2) |
| Diabetes | 81 (5.3) |
| Hypertension | 84 (5.5) |
| Bronchial asthma | 72 (4.7) |
| Cardiac diseases | 22 (1.4) |