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Gac Sanit. 2012 Sep-Oct;26(5):477-9. doi: 10.1016/j.gaceta.2011.10.016. Epub 2012 Feb 22.

[Response rates in three opinion surveys performed through online questionnaires in the health setting].

[Article in Spanish]

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Subdirección de Promoción de la Salud y Prevención, Consejería de Sanidad, Madrid, España.


The main advantages of online questionnaires are the speed of data collection and cost savings, but response rates are usually low. This study analyzed response rates and associated factors among health professionals in three opinion surveys in the autonomous region of Madrid. The participants, length of the questionnaire and topic differed among the three surveys. The surveys were conducted by using paid Internet software. The institutional e-mail addresses of distinct groups of health professionals were used. Response rates were highest in hospitals (up to 63%) and administrative services and were lowest in primary care (less than 33%). The differences in response rates were analyzed in primary care professionals according to age, sex and professional category and only the association with age was statistically significant. None of the surveys achieved a response rate of 60%. Differences were observed according to workplace, patterns of Internet usage, and interest in the subject.

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