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![]() National Center for Chronic Disease Prevention and Health Promotion Behavioral Risk Factor Surveillance System ![]() BRFSS Home | Contact Us |
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Multimode (Internet, Mail, and Telephone) ExperimentsParticipation in most random-digit dialed (RDD) telephone surveys is declining, prompting researchers to consider use of alternative survey modes to increase participation. In October and November 2003, a set of experiments was conducted using Internet and mail versions of the BRFSS questionnaire administered to potential respondents drawn from the standard BRFSS telephone sampling frame and reverse-matched to identify valid mailing addresses. Telephone survey follow-up was conducted with Internet and mail survey nonrespondents. Results were compared with those from the ongoing computer-assisted telephone interviewing (CATI) BRFSS. The findings suggest that self-administered modes when used in conjunction with telephone follow-up can improve levels of participation, but may also increase differences between respondents and nonrespondents on measures of interest. As a result, overall nonresponse bias may not have been reduced despite increases in response rates. Publications and PresentationsLink, M., A. Mokdad. (2005). “Can Web and Mail Survey Modes Improve Participation in an RDD-based National Health Surveillance?” Journal of Official Statistics, 22(2): 293-312. Link, M., A. Mokdad. (2005). “Use of Alternative Modes for Health Surveillance Surveys: Results from a Web/Mail/Telephone Experiment.” Epidemiology 16(5):701-704, September. Link, M., A. Mokdad. (2005). “Effects of Survey Mode on Self-Reports of Adult Alcohol Consumption: Comparison of Web, Mail, and Telephone.” Journal of Studies on Alcohol, 66(2):239-45, March 2005. Link, M., A. Mokdad (2004). “Are Web and Mail Feasible Options for the Behavioral Risk Factor Surveillance System?” In Cohen SB, Lepkowski JM, eds., Eighth Conference on Health Survey Research Methods, pp.149-158. Hyattsville, MD: National Center for Health Statistics. Link, M., A. Mokdad. (2004). “Can Multimode Salvage RDD for Public Health Surveillance?” In Proceedings of the Sixth International Conference on Logic and Methodology (CD-ROM), Amsterdam, Netherlands. Back to Research and Development Initiatives home
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