%0 Journal Article %@ 1438-8871 %I JMIR Publications Inc. %V 17 %N 7 %P e189 %T Allowing Physicians to Choose the Value of Compensation for Participation in a Web-Based Survey: Randomized Controlled Trial %A Turnbull,Alison E %A O'Connor,Cristi L %A Lau,Bryan %A Halpern,Scott D %A Needham,Dale M %+ School of Medicine, Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, 1830 E Monument St., 5th Floor, Baltimore, MD, 21205, United States, 1 4109552190, turnbull@jhmi.edu %K data collection %K monetary incentives %K cash %K physicians %K electronic questionnaire %K survey design %K response rate %D 2015 %7 29.07.2015 %9 Original Paper %J J Med Internet Res %G English %X Background: Survey response rates among physicians are declining, and determining an appropriate level of compensation to motivate participation poses a major challenge. Objective: To estimate the effect of permitting intensive care physicians to select their preferred level of compensation for completing a short Web-based survey on physician (1) response rate, (2) survey completion rate, (3) time to response, and (4) time spent completing the survey. Methods: A total of 1850 US intensivists from an existing database were randomized to receive a survey invitation email with or without an Amazon.com incentive available to the first 100 respondents. The incentive could be instantly redeemed for an amount chosen by the respondent, up to a maximum of US $50. Results: The overall response rate was 35.90% (630/1755). Among the 35.4% (111/314) of eligible participants choosing the incentive, 80.2% (89/111) selected the maximum value. Among intensivists offered an incentive, the response was 6.0% higher (95% CI 1.5-10.5, P=.01), survey completion was marginally greater (807/859, 94.0% vs 892/991, 90.0%; P=.06), and the median number of days to survey response was shorter (0.8, interquartile range [IQR] 0.2-14.4 vs 6.6, IQR 0.3-22.3; P=.001), with no difference in time spent completing the survey. Conclusions: Permitting intensive care physicians to determine compensation level for completing a short Web-based survey modestly increased response rate and substantially decreased response time without decreasing the time spent on survey completion. %M 26223821 %R 10.2196/jmir.3898 %U http://www.jmir.org/2015/7/e189/ %U https://doi.org/10.2196/jmir.3898 %U http://www.ncbi.nlm.nih.gov/pubmed/26223821