Table 2.

Data sources used by each province to obtain or create each variable

Data source	British Columbia	Alberta	Manitoba	Ontario	Nova Scotia
Provincial cancer registry	Diagnosis date Age at diagnosis Sex Postal code at dx	Diagnosis date Age at diagnosis Sex Postal code at dx	Diagnosis date Age at diagnosis Sex	Diagnosis date Sex	Diagnosis date Age at diagnosis Sex Postal code at dx
Provincial screening program	Mode of diagnosis		Mode of diagnosis	Mode of diagnosis	Mode of diagnosis
Health insurance plan client registry			Postal code at dx	Postal code at dx Age at diagnosis*
Provincial physician database	UPC index score*			UPC index score*
Provincial physician claims data	Co-morbidity code* UPC index score*	Mode of diagnosis* Co-morbidity score* UPC index score*	Co-morbidity code* UPC index score*	Mode of diagnosis* Co-morbidity code* UPC index score*	Co-morbidity code* UPC index score*
Provincial hospital ambulatory care data		Co-morbidity score*
Provincial hospital inpatient data	Co-morbidity code*	Co-morbidity score*	Co-morbidity code*	Mode of diagnosis* Co-morbidity code*	Co-morbidity code*
Postal Code Conversion File Plus from Statistics Canada	Neighbourhood income quintile Urban/rural measure	Neighbourhood income quintile Urban/rural measure	Neighbourhood income quintile Urban/rural measure	Neighbourhood income quintile Urban/rural measure	Neighbourhood income quintile Urban/rural measure

*Calculated or created variable using one or more datasets