来自一家普通诊所和一个研究单位的邮政调查问卷回复率比较。
Comparison of response rates to a postal questionnaire from a general practice and a research unit.
作者信息
Smith W C, Crombie I K, Campion P D, Knox J D
出版信息
Br Med J (Clin Res Ed). 1985 Nov 23;291(6507):1483-5. doi: 10.1136/bmj.291.6507.1483.
A postal questionnaire study was carried out in an urban general practice to determine the effect of the introductory letter being sent by the participants' own general practitioner compared with that from a letter sent directly from a research unit. By sequential sampling 409 individuals aged between 40 and 59 were assigned to one of two groups. The people in one group were written to by their own general practitioner and those in the other by a doctor from a research unit. Husbands and wives were paired and were always sent the same letter. A second letter was sent to nonresponders after one month. The response rate to the general practitioner was significantly higher than that to the doctor in the research unit (85% compared with 75%) and differed by age and sex. The results have important implications for other research workers and suggest that general practitioners are in a key position in the conduct of medical and epidemiological research.
在一个城市全科医疗诊所开展了一项邮寄问卷调查研究，以确定由参与者自己的全科医生发出的介绍信与直接从研究单位发出的信件相比，其效果如何。通过序贯抽样，将409名年龄在40至59岁之间的个体分为两组。一组由他们自己的全科医生写信，另一组由研究单位的医生写信。夫妻配对，总是给他们寄相同的信。一个月后，给未回复者寄了第二封信。给全科医生的回复率显著高于给研究单位医生的回复率（分别为85%和75%），且在年龄和性别上存在差异。这些结果对其他研究人员具有重要意义，并表明全科医生在医学和流行病学研究中处于关键地位。
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