Table 6. The relationship between potential explanatory variables and lifetime non-suicidal self-injurious behavior: results from the binary logistic regression analysis (n=129).

	B	SE	Wald	p-value	OR	95%CI
HAM-A	0.198	0.052	14.606	< 0.001	1.219	1.101-1.349
Constant	-4.711	0.870	29.311	< 0.001	0.009

χ² = 18.748, p < 0.001, R² Nagelkerke = 0.264.

HAM-A = Hamilton Anxiety Rating Scale; OR = odds ratios; SE = standard error.

Total number of variables initially entered in the model n=7; variables not retained in the model: live events (≥ 1), severe life events (≥ 1), single highest event score, Hamilton Depression Rating Scale (HAM-D), Beck Depression Inventory, family history of mood disorders.