| Living area | City | 12 (13.3) | 47 (52.2) | 31 (34.4) | 90 (100.0) | 0.577 | 0.749 |
| Rural | 1 (6.7) | 8 (53.3) | 6 (40.4) | 15 (100.0) |
| Children | Presence | 3 (9.1) | 18 (54.5) | 12 (36.4) | 33 (100.0) | 0.481 | 0.786 |
| Absence | 10 (13.9) | 37 (51.4) | 25 (34.7) | 72 (100.0) |
| Marriage statuss | Married | 11 (13.9) | 43 (54.4) | 25 (31.6) | 79 (100.0) | 2.038 | 0.361 |
| Single | 2 (7.7) | 12 (46.2) | 12 (46.2) | 26 (100.0) |
| Monthly income (10 thousand won) | 200≥ | 2 (22.2) | 2 (22.2) | 5 (55.6) | 9 (100.0) | 16.296 | 0.091 |
| 201~300 | 3 (14.3) | 9 (42.9) | 9 (42.9) | 21 (100.0) |
| 301~400 | 3 (21.4) | 7 (50.0) | 4 (28.6) | 14 (100.0) |
| 401~500 | 2 (10.0) | 14 (70.0) | 4 (20.0) | 20 (100.0) |
| 501~600 | 1 (6.3) | 13 (81.3) | 2 (12.5) | 16 (100.0) |
| 601≤ | 2 (8.0) | 10 (40.0) | 13 (52.0) | 25 (100.0) |
| Education level | Under middle school graduation | 0 (0.0) | 0 (0.0) | 2 (100.0) | 2 (100.0) | 12.853* | 0.045 |
| High school | 1 (4.0) | 14 (56.0) | 10 (40.0) | 25 (100.0) |
| College | 8 (11.8) | 38 (55.9) | 22 (32.4) | 68 (100.0) |
| More than graduate school | 4 (40.0) | 3 (30.0) | 3 (30.0) | 10 (100.0) |
| Total | 13 (12.4) | 55 (524) | 37 (35.2) | 105 (100.0) | | |