Characteristics of the study population
| Characteristics of the study population (%) (n = 345 143) | |
| Demographic characteristics | |
| Gender | |
| Male | 49.5 |
| Age | |
| ⩽12 years | 14.4 |
| 13–17 years | 6.2 |
| 18–25 years | 9.6 |
| 26–45 years | 32.3 |
| 46–65 years | 24.7 |
| >65 year | 12.8 |
| Socioeconomic characteristics | |
| Highest level of education | |
| Unknown | 25.2 |
| No education completed | 11.7 |
| Primary education | 14.2 |
| Secondary education | 36.8 |
| Higher education | 12.1 |
| Health insurance | |
| Unknown | 23.9 |
| Public | 50.9 |
| Private | 25.3 |
| Work situation | |
| Work situation unknown | 27.9 |
| Paid job | 31.5 |
| Attending school/studying | 16.4 |
| Housewife/houseman | 11.1 |
| Retired | 9 |
| Disability pension | 3 |
| Unemployed | 1.1 |
| Urbanicity | |
| Very strongly urban | 13.9 |
| Strongly urban | 22.2 |
| Moderately urban | 22.6 |
| Slightly urban | 31.7 |
| Non urban | 9.7 |