Journal
EVALUATION & THE HEALTH PROFESSIONS
Volume 34, Issue 4, Pages 448-463Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/0163278710391086
Keywords
survey; online; physician; distribution mode; web-based; internet; questionnaire
Funding
- National Institutes of Health [K23-HD057957]
- Centers for Disease Control and Prevention
- Maternal and Child Health Bureau, Health Resources and Services Administration, Department of Health and Human Services (Schulkin) [R60 MC 05674]
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A survey was distributed, using a sequential mixed-mode approach, to a national sample of obstetrician-gynecologists. Differences between responses to the web-based mode and the on-paper mode were compared to determine if there were systematic differences between respondents. Only two differences in respondents between the two modes were identified. University-based physicians were more likely to complete the web-based mode than private practice physicians. Mail respondents reported a greater volume of endometrial ablations compared to online respondents. The web-based mode had better data quality than the paper-based mailed mode in terms of less missing and inappropriate responses. Together, these findings suggest that, although a few differences were identified, the web-based survey mode attained adequate representativeness and improved data quality. Given the metrics examined for this study, exclusive use of web-based data collection may be appropriate for physician surveys with a minimal reduction in sample coverage and without a reduction in data quality.
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