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Demographic characteristics of the study participants
| Demographic characteristics | Commercial area | Residential area | Industrial area | |
| Number of the families | 243 (35.8%) | 199 (29.3%) | 237 (34.9%) | |
| Mean number of family members | 4.9 ± 2.2 | 4.5 ± 1.4 | 4.5 ± 1.7 | |
| Mean age | Female | 33.9 ± 19.8 | 29.2 ± 16.6 | 29.4 ± 17.2 |
| Male | 30.5 ± 18.6 | 29.2 ± 17.4 | 28.1 ± 17.8 | |
| Smokers | 126 (11.5) | 96 (11.7) | 139 (14.4) | |
| Regular consumers of alcohol | 23 (2.1) | 13 (1.6) | 14 (1.5) | |
