Differences in Mode Preferences, Response Rates, and Mode Effect Between Automated Email and Phone Survey Systems for Patients of Primary Care Practices: Cross-Sectional Study

Sharon Johnston   ^{1, 2} , LLM, MD ;   William Hogg   ² , BSc, MSc, MClSc, MD ;   Sabrina T Wong   ³ , RN, PhD ;   Fred Burge   ⁴ , MD, MSc ;   Sandra Peterson   ³ , MSc

¹ Department of Family Medicine, University of Ottawa, Ottawa, ON, Canada

² Department of Family Medicine, Institu du Savoir, Hôpital Montfort, University of Ottawa, Ottawa, ON, Canada

³ Centre for Health Services and Policy Research, University of British Columbia, Vancouver, BC, Canada

⁴ Department of Family Medicine, Dalhousie University, Halifax, NS, Canada