| Living area | City | 45 (50.5) | 45 (50.5) | 90 (100.0) | 2.813 | 0.094 |
| Rural | 4 (26.7) | 11 (73.3) | 15 (100.0) |
| Children | Presence | 7 (21.2) | 26 (78.8) | 33 (100.0) | 12.528*** | 0.000 |
| Absence | 42 (58.3) | 30 (41.7) | 72 (100.0) |
| Marriage status | Married | 44 (55.7) | 35 (44.3) | 79 (100.0) | 10.451*** | 0.001 |
| Single | 5 (19.2) | 21 (80.8) | 26 (100.0) |
| Monthly income (10 thousand won) | 200≥ | 2 (22.2) | 7 (77.8) | 9 (100.0) | 19.026** | 0.002 |
| 201~300 | 4 (19.0) | 17 (81.0) | 21 (100.0) |
| 301~400 | 5 (35.7) | 9 (64.3) | 14 (100.0) |
| 401~500 | 9 (45.0) | 11 (55.0) | 20 (100.0) |
| 501~600 | 12 (75.0) | 4 (25.0) | 16 (100.0) |
| 601≤ | 17 (68.0) | 8 (32.0) | 25 (100.0) |
| Education level | Under middle school graduation | 0 (0.0) | 2 (100.0) | 2 (100.0) | 3.911 | 0.271 |
| High school | 9 (36.0) | 16 (64.0) | 25 (100.0) |
| College | 34 (50.0) | 34 (50.0) | 68 (100.0) |
| More than graduate school | 6 (60.0) | 4 (40.0) | 10 (100.0) |
| Total | 49 (46.7) | 56 (53.3) | 105 (100.0) | | |