| Variable | Category | Mean Rank | U | anova | P.Value |
| Sex | Woman Man | 46.95 61.21 | 215,000 |
| 0.187 |
| Person with SE in the family environment | Yes No | 61.23 46.27 | 316,000 |
| 0.90 |
| Specialty | General Education Teacher EAE teacher | 45.47
54.37 | 746,000 |
| 0.156 |
| Age | <25 years old 26 - 35 years old 36 - 45 years old > 46 years old | 35.75 51.24 49.19 48.70 |
| 0.331 | 0.416 |
| Work experience | 0 - 1 years 2 - 3 years 4 - 5 years 6+ years | 32.71 42.38 44.53 47.00 |
| 0.084 | 0.249 |
| Previous service with M.D. | 0 - 1 years 2 - 3 years 4 - 5 years 6+ years | 33.70 50.54 69.24 71.83 |
| 0.000 | 0.000 |