JSM 2004 Online Program

Abstract #300723

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Activity Number:	433
Type:	Contributed
Date/Time:	Thursday, August 12, 2004 : 10:30 AM to 12:20 PM
Sponsor:	Section on Survey Research Methods
Abstract - #300723
Title:	Mode Effects in the Canadian Community Health Survey: A Comparison of CAPI and CATI
Author(s):	Martin St-Pierre*+ and Yves Béland
Companies:	Statistics Canada and Statistics Canada
Address:	R.H. Coats Building, 16th floor, Ottawa, ON, K1A 0T6, Canada
Keywords:	health survey ; mode effects
Abstract:	The regional component of the Canadian Community Health Survey (CCHS) makes use of multiple sample frames (area and telephone) and data collection modes (CAPI and CATI). Between the CCHS 2003 and the CCHS 2001, the mix of sample frames and collection modes has changed considerably for various reasons; in fact, the CCHS 2003 had more CATI than the first survey. It is anticipated that such a change could impede the comparability of the estimates over the two surveys if differences in the response behavior are observed between the two modes of collection. Therefore, with the objective of evaluating the impact of this change on the estimates of key health-related indicators, a study of the effect of the two collection methods (CAPI and CATI) on the responses was carried on within the CCHS 2003. For the purpose of the study, 11 health regions across Canada were chosen and, for each region, two samples of similar size were selected from the same sample frame and assigned to the two modes of collection. This paper presents the methodology of the study and shows the impact of the two modes of collection on the estimates of several health-related indicators.

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