Table 4. PSI scores for parents in false-positive group according to self-reported reason for repeat screen.a .
| variable | PSI score, mean ± SD | P valueb | |
| Correct reason given (26 mothers, 11 fathers) | Correct reason not given (21mothers, 11fathers) | ||
| Total score | |||
| Mothers | 68.3±11.4 | 77.2±13.1 | <0.001 |
| Fathers | 72.3±12.5 | 73.2±12.9 | 0.11 |
| Parental distress subscale | |||
| Mothers | 26.2±5.1 | 27.6±6.5 | 0.32 |
| Fathers | 27.3±5.2 | 25.9±4.9 | 0.76 |
| Difficult child subscale | |||
| Mothers | 23.3±6.1 | 26.5±5.4 | 0.02 |
| Fathers | 25.8±7.2 | 24.6±5.5 | 0.05 |
| Parent-child dysfunction interaction subscale | |||
| Mothers | 18.8±5.6 | 23.1±5.6 | <0.001 |
| Fathers | 19.2±6.4 | 22.7±5.8 | 0.01 |
a
Higher scores indicate higher stress; only PSI scores for subjects whose defensive responding index was >10 were included in the analysis [16].
b
Student's unpaired t-test.