Table 1.

Variables included in the imputation model and number of cases with complete data on these measures

Class	Variables	Measure	Age
Main variables	Harmful drinking Depressive symptoms Deviant peers Monitoring Disclosure Solicitation Control	AUDIT SMFQ ESYTC Parental Monitoring (PM) PM PM PM	19y 14y 18y 14y 14y 14y 14y
Covariates	Parental drinking Parental depression Financial difficulties Parental education Conduct problems Problem drinking Deviant peers	Family environment Family environment Socio-economic status Socio-economic status SDQ SSAGA ESYTC	145m 145m 11y 32wk 13y 13y 13y
Earlier measures	Depressive symptoms Depressive symptoms Harmful drinking Parental depression Parental alcohol Conduct problems Financial difficulties Deviant peers	SMFQ SMFQ AUDIT Family environment Family environment SDQ Socio-economic status ESYTC	10y 13y 16y 21m 21m 9y 21m 15y
Auxiliary variables	Crowding index Household income Child smoking status	Socio-economic status Socio-economic status	21m 33m 14y