Sociodemographic variables of study participants
| Variables | Study group (n=104) | Control group (n=89) | Statistics | P value |
| Age (years) | 36.08 (10.37) | 38.78 (9.87) | t=1.843 | 0.066 |
| Gender | ||||
| Female | 62 (59.6%) | 53 (59.6%) | χ²<0.001 | 0.992 |
| Male | 42 (40.4%) | 36 (40.4%) | ||
| Marital status | ||||
| Married | 79 (76.0%) | 66 (74.2%) | χ²=0.014 | 0.903 |
| Single | 25 (24.0%) | 23 (25.8%) | ||
| Employment status | ||||
| Employed | 101 (97.1%) | 84 (94.4%) | χ²=0.345 | 0.557 |
| Unemployed | 3 (2.9%) | 5 (5.6%) |