Table 1 Participant Background
| Variable | Response (%) | Variable | Response (%) |
| Sex | male | 39 (29.3) | Assigned school (level) | pre-school | 2 (1.6) |
| female | 88 (66.2) | elementary | 43 (33.9) |
| Age | 20s | 44 (34.6) | secondary | 45 (35.4) |
| 30s | 49 (38.6) | high | 34 (26.8) |
| 40s | 22 (17.3) | vocational | 8 (6.3) |
| 50s ~ | 12 (9.4) | missing | 1 (0.8) |
| Teaching experience | ~5years | 56(44.1) | Highest education level | bachelor | 91 (71.7) |
| 6~10years | 22 (17.3) | master | 36 (28.3) |
| 11~15years | 22 (17.3.) | Place of work | Busan | 38 (29.9) |
| 16~20years | 14 (11.0) | Ulsan | 51 (40.2) |
| 20 years~ | 11 (8.7) | Kyeongnam | 21 (16.5) |
| missing | 2 (1.6) | missing | 17 (13.4) |
| Total | 127 |