Table 3 Comparison of externalizing behaviors and academic function between recent-onset depression, persistent depression and no past-year depression groups for males and female subjects^a

	Males			Females
	Recent onset (%)	Persistent (%)	No depression (%)	Recent onset (%)	Persistent (%)	No depression (%)
Conduct problems
Gotten into a serious fight at school/work	33.2	31.1	21.4	25.9	26.0	13.7
Taken part in fight where group fought another group	21.2	18.5	12.7	16.7	15.9	9.9
Carried a handgun	7.8	7.1	5.3	1.3	2.2	1.2
Sold illegal drugs	6.0	7.1	3.6	2.5	4.9	1.4
Stolen or tried to steal anything worth >$50	8.7	11.1	4.1	4.2	6.7	2.0
Attacked someone w/intent to seriously hurt them	16.9	18.4	6.4	9.6	12.0	3.7
Two or more conduct problems	25.8	25.5	12.4	15.3	17.2	6.8
Academic functioning
School work meaningful=seldom, never	35.8	41.6	19.6	30.8	33.4	16.2
Importance of learning=somewhat/very unimportant	23.0	28.2	12.3	21.1	24.5	11.0
Interesting courses=somewhat/very boring	32.9	36.0	20.9	35.2	36.5	19.5
Teacher say doing a good job=seldom, never	31.4	38.7	19.4	32.9	33.9	18.7
Grades for the last semester C or lower	38.0	33.3	28.2	28.3	28.8	18.2
Three or more indicators of poor academic functioning	23.1	28.5	11.9	21.5	23.4	9.4

^aStatistical tests were conducted using logistic regression models with P=0.05. Proportions are significantly higher in the recent first-onset and persistent categories than in the no-depression category for all indicators with the following three exceptions: (1) carried a handgun does not differ between recent first-onset and no-depression groups among female subjects (P=0.6401); (2) carried a handgun does not differ between persistent and no-depression groups for males (P=0.0655); and (3) grades in the last semester C or lower does not differ between the persistent and no-depression groups for males (P=0.0653). Figures in bold indicate statistically significant differences between the recent-onset and persistent groups.

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