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Comparison of telephone RDD and online panel survey modes on CPGI scores and co-morbidities

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  • Choong-Ki Lee
  • Ki-Joon Back
  • Robert J. Williams
  • Sung-Sik Ahn

Abstract

The purpose of this study was to compare the influence of two survey modes - telephone random digit dialling (RDD) and stratified sampling of an online panel - on Canadian Problem Gambling Index (CPGI) scores and co-morbidities. An identical gambling survey was administered to 4000 South Koreans selected via random dialling of cell phone numbers and to 4330 South Korean members of an online panel. The online panelists were found to have significantly higher levels of tobacco use, drug or alcohol problems and mental health problems, higher employment status and lower happiness levels. However, even when controlling for these variables, CPGI scores for the online panel were significantly higher than those for the telephone interview. This appears to be due to higher levels of pathology among online panelists combined with potentially more valid self-reports due to enhanced anonymity.

Suggested Citation

  • Choong-Ki Lee & Ki-Joon Back & Robert J. Williams & Sung-Sik Ahn, 2015. "Comparison of telephone RDD and online panel survey modes on CPGI scores and co-morbidities," International Gambling Studies, Taylor & Francis Journals, vol. 15(3), pages 435-449, December.
    • Handle: RePEc:taf:intgms:v:15:y:2015:i:3:p:435-449
    DOI: 10.1080/14459795.2015.1068353
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    Cited by:

    1. Cauane Blumenberg & Aluísio J. D. Barros, 2018. "Response rate differences between web and alternative data collection methods for public health research: a systematic review of the literature," International Journal of Public Health, Springer;Swiss School of Public Health (SSPH+), vol. 63(6), pages 765-773, July.

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