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Survey participation among general practitioners: comparison between teaching physicians and a random sample.

Michael Pentzek1, Verena Baumgart2, Flora-Marie Hegerath3

  • 1Institute of General Practice (ifam), Centre for Health and Society (chs), Medical Faculty, Heinrich Heine University, Moorenstr. 5, Building 17.11, 40225, Düsseldorf, Germany. mp@hhu.de.

BMC Research Notes
|January 11, 2022
PubMed
Summary

Postal surveys yielded higher physician response rates than online surveys. Even convenient samples of teaching physicians require tailored methods for adequate participation in research recruitment.

Keywords:
General practiceOnline surveyPostal surveyRecruitmentResearch participationResponse rateTeaching physician

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Area of Science:

  • Medical research methodology
  • Physician recruitment strategies

Background:

  • Health scientists require physician participation for research projects, such as surveys.
  • Teaching physicians represent a convenient, university-affiliated population for recruitment.

Purpose of the Study:

  • To compare response rates between an online survey of teaching physicians and a postal survey of a random physician sample.
  • To evaluate the effectiveness of different recruitment strategies in physician research.

Main Methods:

  • Utilized data from the TMI-GP study.
  • Compared response rates from a convenience sample (online survey of teaching physicians) versus a random sample (postal survey).
  • Analyzed response rates using statistical methods, including odds ratios and chi-squared tests.

Main Results:

  • Physicians in the random sample responded to the postal survey significantly more often (59.5%) than teaching physicians to the online survey (18.9%).
  • The odds ratio for responding to the postal survey was 7.06 (95% CI 4.81-10.37, p < 0.001).
  • Responders in both groups were comparable regarding the use of memory tests.

Conclusions:

  • Elaborate survey techniques are crucial for achieving adequate response rates, even with convenient physician samples.
  • The study highlights challenges in physician recruitment and suggests postal surveys may be more effective than online surveys for general practitioner research.
  • Further investigation is needed to determine if sample characteristics or survey mode primarily influenced the observed response rate differences.