BMC Public Health

Table 6 The effect of a 2-point change in the SDQ subscales on non-completion of upper secondary school, and the mediating effect of grades

From: Mental health problems in the 10^thgrade and non-completion of upper secondary school: the mediating role of grades in a population-based longitudinal study

	Model 1^a						Model 2^b						Model 3^c
	Total effect			Proportion via mediation			Total effect			Proportion via mediation			Total effect			Proportion via mediation
	Estimate	95% CI		Estimate	95% CI		Estimate	95% CI		Estimate	95% CI		Estimate	95% CI		Estimate	95% CI
Boys
SDQ externalising	0.068	0.059	0.077	0.702	0.611	0.801	0.069	0.060	0.079	0.714	0.629	0.813	0.047	0.038	0.058	0.831	0.692	1.032
SDQ internalising	0.021	0.010	0.031	0.540	0.324	0.938*	−0.00056	−0.010	0.010	0.428	−12.90	14.00	0.0031	−0.006	0.013	−0.740	−14.20	22.90*
Girls
SDQ externalising	0.067	0.057	0.077	0.716	0.628	0.833*	0.063	0.053	0.073	0.732	0.624	0.860*	0.044	0.033	0.055	0.755	0.610	0.976*
SDQ internalising	0.031	0.023	0.039	0.622	0.488	0.823*	0.012	0.005	0.020	0.412	0.185	0.952*	0.012	0.005	0.020	0.310	0.108	0.687*

^aModel 1: Adjusted for ethnic background, county of residence, parents education, income and marital status.
^bModel 2: SDQ externalising and SDQ internalising adjusted for each other, and for ethnic background, county of residence, parents education, income and marital status.
^cModel 3: Like model 2, in addition adjusted for physical activity, smoke and alcohol habits.
*Direct effect statistically significant (p < 0.05).
The total effect estimate is the change in the probability of non-completion.

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ISSN: 1471-2458

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