Variable	Imputed sample size = 8041
	Missing (%)
Alcohol	4704
	(58.5%)
Cannabis	4706
	(58.5%)
Other drugs	4728
	(58.8%)
Smoking	4546
	(56.5%)
Maternal crime	330
	(4.1%)
Maternal alcohol/drug use	357
	(4.4%)
Maternal smoking	1075
	(13.4%)
Maternal education	520
	(6.5%)
Social class	1298
	(16.1%)
Home status	919
	(11.4%)
Financial problems	1018
	(12.7%)
Financial hardship	708
	(8.8%)
Age at birth	637
	(7.9%)
Marital status	465
	(5.8%)
Maternal depression	979
	(12.2%)
Maternal anxiety	1068
	(13.3%)
Maternal stressful events	634
	(7.9%)