Table 1
Description of Canadian Census Health and Enviroment Cohorts (CanCHECs)

Table 1
Description of Canadian Census Health and Enviroment Cohorts (CanCHECs)
Table summary
This table displays the results of Description of Canadian Census Health and Enviroment Cohorts (CanCHECs) 1991, 1996, 2001, 2006 and 2011 (appearing as column headers).
	1991	1996	2001	2006	2011
Census Day	June 4	May 14	May 15	May 16	May 10
Eligible age on Census Day (in years)	25+	19+	19+	0+	0+
Number of in-scope census/NHS records	3,576,487	4,389,833	4,500,245	6,463,927	6,719,223
Cohort size (unweighted)	2,643,762	3,564,791	3,536,929	5,871,337	6,499,183
Cohort size compared with number of in-scope records (percentage)	73.9	81.2	78.6	90.8	96.7
Cohort size (unweighted) with postal code history^{Table 1 Note †}	2,642,110	3,564,771	3,536,210	3,783,695	3,769,270
Estimated population (weighted cohort)	17,450,900	21,036,890	22,247,440	31,232,960	32,852,265
Note † Postal code file is available only for those aged 15 or older. Return to note † referrer NHS = National Household Survey Notes: Estimated population size is randomly rounded to a base of five. Sources: 1991, 1996 and 2001 CanCHEC (version 3), 2006 and 2011 CanCHEC (version 1).

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