| Characteristics | Categories | n | % | M ± SD | 
| Age (yrs) | <35 | 24 | 40.7 | 35.34 ± 4.68 | 
| 
 | ≥35 | 35 | 59.3 | 
 | 
| Education level | Less than college | 8 | 13.6 | 
 | 
| 
 | Vocational | 16 | 27.1 | 
 | 
| 
 | College or more | 35 | 59.3 | 
 | 
| Religion | Religion | 41 | 69.5 | 
 | 
| 
 | No religion | 18 | 30.5 | 
 | 
| Number of children | 1 | 18 | 30.5 | 1.85 ± 0.69 | 
| 
 | ≥2 | 41 | 69.8 | 
 | 
| Employment status | Employed | 10 | 16.9 | 
 | 
| 
 | Unemployed | 49 | 83.1 | 
 | 
| Monthly income (Won) | <4 million | 32 | 54.2 | 527.55 ± 463.31 | 
| 
 | ≥4 million | 21 | 35.6 | 
 | 
| 
 | Missing | 6 | 10.2 | 
 | 
| Housing | Own house | 29 | 49.2 | 
 | 
| 
 | Other | 30 | 50.8 | 
 | 
| Information from health provider | Yes | 38 | 64.4 | 
 | 
| 
 | No | 21 | 35.6 | 
 |