Table 2 Chi-square ( χ 2 ) tests for differences in deliberate self-harm rates between groups on the DI-5 Index (N=928)
Differences in association with deliberate self-harm | χ2 value ( df ) | Significance | Effect size ( Φ ) |
|---|---|---|---|
DI-5 index overall | 52.82 (3) | p<.01 | .24 |
Non-Responders vs. Responders low start | 24.78 (1) | p<.01 | .26 |
Non-Responders vs. Responders medium start | 32.00 (1) | p<.01 | .26 |
Non-Responders vs. Responders high start | 12.84 (1) | p<.01 | .17 |
Responders high start vs. Responders low start | 6.50 (1) | p<.05 | .12 |
Responders high start vs. Responders medium start | 5.67 (1) | p<.05 | .10 |
Responders low start vs. Responders medium start | .70 (1) | p =.40 | .04 |