| Living area | City | 5 (5.6) | 23 (25.6) | 44 (48.9) | 18 (20.0) | 90 (100.0) | 0.891 | 0.828 |
| Rural | 0 (0.0) | 4 (26.7) | 8 (53.3) | 3 (20.0) | 15 (100.0) |
| Children | Presence | 0 (0.0) | 5 (15.2) | 19 (57.6) | 9 (27.3) | 33 (100.0) | 6.283 | 0.099 |
| absence | 5 (6.9) | 22 (30.6) | 33 (45.8) | 12 (16.7) | 72 (100.0) |
| Marriage status | Married | 5 (6.3) | 23 (29.1) | 39 (49.4) | 12 (15.2) | 79 (100.0) | 6.772 | 0.080 |
| Single | 0 (0.0) | 4 (15.4) | 13 (50.0) | 9 (34.6) | 26 (100.0) |
| Monthly income (10 thousand won) | 200≥ | 0 (0.0) | 2 (22.2) | 3 (33.3) | 4 (44.4) | 9 (100.0) | 11.587 | 0.710 |
| 201~300 | 1 (4.8) | 2 (9.5) | 14 (66.7) | 4 (19.0) | 21 (100.0) |
| 301~400 | 1 (7.1) | 4 (28.6) | 7 (50.0) | 2 (14.3) | 14 (100.0) |
| 401~500 | 1 (5.0) | 5 (25.0) | 10 (50.0) | 4 (20.0) | 20 (100.0) |
| 501~600 | 1 (6.3) | 5 (31.3) | 9 (56.3) | 1 (6.3) | 16 (100.0) |
| 601≤ | 1 (4.0) | 9 (36.0) | 9 (36.0) | 6 (24.0) | 25 (100.0) |
| Education level | Under middle school graduation | 0 (0.0) | 0 (0.0) | 0 (0.0) | 2 (10.0) | 2 (100.0) | 17.336* | 0.044 |
| High school | 0 (0.0) | 6 (24.0) | 13 (52.0) | 6 (24.0) | 25 (100.0) |
| College | 5 (7.4) | 17 (25.0) | 37 (54.4) | 9 (13.2) | 68 (100.0) |
| More than graduate school | 0 (0.0) | 4 (40.0) | 2 (20.0) | 4 (40.0) | 10 (100.0) |
| Total | 5 (4.8) | 27 (25.7) | 52 (49.5) | 21 (20.0) | 105 (100.0) | | |