Table 3. Results of stepwise logistic regression analyses: long-term comparison of subjects with no registered offenses (n = 46), chronic offenders (n = 68), and non-chronic offenders (n = 42).

Comparison	Correctly classified (%)*	Predictors		Odds Ratio
Subjects with no registered offenses versus chronic offenders	80.2	–	Sum of social and familial risk factors that were operative up to age 13	3.0
	(73.2–87.2)
		–	Extraversion	1.6
		–	Emotional lability	1.5
		–	Sum of unregistered property offenses up to age 13	1.0
Subjects with no registered offenses versus non-chronic offenders	77.9	–	Sum of psychosocial risk factors that were operative up to age 13	1.9
	(72.0–83.8)
		–	Spontaneous aggressiveness	1.4
		–	Extraversion	1.3
Non-chronic versus chronic offenders	73.1	–	Problems in school	2.5
	(67.1–79.1)	–	Depressivity	1.3

^* The figures in parentheses are the 95% confidence intervals for the percentages given