Table 3.

 Mental health outcomes in adulthood according to level of externalising behaviour in adolescence (none, mild, severe). Figures are percentage of survey members with adjusted* odds ratios and 95% confidence intervals

	None	Mild	Severe	Mild v none	Severe v none
Adult depression-anxiety:
No symptoms	53.1	49.7	45.1	1.1 (0.9 to 1.3)	1.3 (1.0 to 1.7)†
Mild-moderate symptoms	43.5	45.5	47.7
Severe symptoms	3.4	4.9	7.2
Self reported history of nervous trouble:
Not reported	78.3	74.8	71.2	1.3 (1.0 to 1.6)	1.5 (1.0 to 2.2)†
Reported once	15.8	16.7	19.7
Reported twice	6.0	8.5	9.1
Alcohol abuse:
No abuse	89.3	85.8	86.0	1.4 (1.0 to 1.9)†	1.2 (0.7 to 2.1)
Abuse recorded once	8.4	10.4	10.6
Abuse recorded twice	2.3	3.8	3.4

*Adjusted for sex, father’s social class, cognitive ability, and depression-anxiety in adolescence.

†Significant at P<0.05.