Table 2.
Poisson Regression Models for the Prediction of Self-Injury 6 Months’ Postbaseline
| Predictors | B (SE) | Wald χ2 | Odds ratio (95% confidence interval) |
|---|---|---|---|
| Prediction of self-cutting | |||
| Cutting–Pre | .07 (.01) | 30.67*** | 1.07 (1.04–1.10) |
| Implicit cutting | 1.87 (.62) | 9.08** | 6.50 (1.92–21.97) |
| Explicit cutting | .22 (.09) | 6.23** | 1.25 (1.05–1.48) |
| IAT Cutting | .39 (.33) | 1.39 | 1.48 (.77–2.83) |
| Self-prediction | −.13 (.12) | 1.10 | .88 (.70–1.15) |
| Number of methods | .54 (.17) | 10.42*** | 1.71 (1.24–2.37) |
| ERS Score | .00 (.01) | .07 | 1.00 (.98–1.02) |
| Therapy | .44 (.31) | 1.97 | 1.56 (.84–2.88) |
| Omnibus χ2(8) = 113.49, p < .001 | |||
|
| |||
| Prediction of noncutting severe NSSI behaviors | |||
| Other NSSI–Pre | .05 (.01) | 35.95*** | 1.05 (1.03–1.06) |
| Implicit cutting | 1.31 (.46) | 7.95** | 3.69 (1.49–9.16) |
| Explicit cutting | .21 (.06) | 13.96*** | 1.10 (1.05–1.37) |
| IAT cutting | −.05 (.21) | .05 | .96 (.63–1.45) |
| Self-prediction | −.04 (.09) | .20 | .96 (.80–1.15) |
| Number of methods | .64 (.11) | 34.76*** | 1.89 (1.53–2.33) |
| ERS; Score | −.01 (.01) | 2.20 | .99 (.98–1.00) |
| Therapy | .55 (.18) | 9.28** | 1.73 (1.22–2.46) |
| Omnibus χ2(8) = 249.79, p < .001 | |||
Note. Bolded items represent significant effects.
**
p < .01.
***
p < .001.