Validation of key behaviourally based mental health diagnoses in administrative data: suicide attempt, alcohol abuse, illicit drug abuse and tobacco use

Table 4 Weighted prevalence estimates based on chart and on administrative (ICD-9) data

	*Suicide Attempt*		*Alcohol* *Abuse*		*Illicit Drug Abuse*		*Tobacco* *Use*
*Sample*	*Chart*	*ICD-9*	*Chart*	*ICD-9*	*Chart*	*ICD-9*	*Chart*	*ICD-9*
Suicide Death	15.9	3.1	35.7	29.7	10.2	15.6	49.5	22.4
Control	0.3	0	17.5	11.9	5.3	4.6	36.8	15.5
AD New User	3.1	0.8	18.5	12.8	11.1	10.5	39.2	18.2
Suicides & Controls	0.4	0.008	17.6	12.0	5.3	4.6	36.8	15.6

ISSN: 1472-6963