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. Author manuscript; available in PMC: 2013 Apr 4.
Published in final edited form as: Ann Intern Med. 2012 Feb 7;156(3):204–210. doi: 10.1059/0003-4819-156-3-201202070-00008

Figure 2. Selection of analytic cohort.

Figure 2

The CanCORS study’s response rate, which accounts for both unsuccessful contacts and refusal/non-response, was 51.0%. The cooperation rate, which does not account for unsuccessful contacts, was 59.9% (12). Please see definitions provided by the American Association for Public Opinion Research for details of calculation of response and cooperation rates (19).