在一项随机试验中，对医生进行邮政调查的回复率高于电话访谈。
Postal surveys of physicians gave superior response rates over telephone interviews in a randomized trial.
作者信息
Hocking Jane S, Lim Megan S C, Read Tim, Hellard Margaret
机构信息
Centre for Epidemiology and Population Health Research, Macfarlane Burnet Institute for Medical Research and Public Health and the School of Population Health, University of Melbourne, Victoria, Australia.
出版信息
J Clin Epidemiol. 2006 May;59(5):521-4. doi: 10.1016/j.jclinepi.2005.10.009. Epub 2006 Mar 15.
BACKGROUND AND OBJECTIVES
To compare general practitioner (GP) response to a telephone interview with response to a postal survey with three reminders in a randomized controlled trial.
METHODS
GPs were randomly assigned to either a telephone interview or a postal survey. GPs in the telephone group were mailed a letter of invitation and asked to undertake a telephone interview. GPs in the postal group were mailed a letter of invitation and questionnaire. Non-responders were sent up to three reminders, the final by registered post. Response rates were calculated for each group.
RESULTS
416 GPs were randomized to the telephone interview and 451 to the postal survey. Eighty-six in the telephone group and 30 in the postal were ineligible. One hundred thirty-four GPs completed the telephone interview with a response rate of 40.6% (95% confidence interval [CI]: 35.3%, 46.1%). Two hundred fifty-two GPs completed the postal survey with a response rate of 59.9% (95%CI: 55.0%, 64.6%). The difference in response was 19.3% (95%CI: 12.2%, 26.3%).
CONCLUSIONS
These results show that postal surveys with three reminders can have superior response rates compared with a telephone interview.
背景与目的
在一项随机对照试验中，比较全科医生（GP）对电话访谈与对附有三次提醒的邮寄调查问卷的反应。
方法
将全科医生随机分为电话访谈组或邮寄调查问卷组。给电话访谈组的全科医生邮寄一封邀请函，并要求他们接受电话访谈。给邮寄调查问卷组的全科医生邮寄一封邀请函和一份问卷。对无回应者最多发送三次提醒，最后一次通过挂号信发送。计算每组的回应率。
结果
416名全科医生被随机分配到电话访谈组，451名被分配到邮寄调查问卷组。电话访谈组中有86名不符合条件，邮寄调查问卷组中有30名不符合条件。134名全科医生完成了电话访谈，回应率为40.6%（95%置信区间[CI]：35.3%，46.1%）。252名全科医生完成了邮寄调查问卷，回应率为59.9%（95%CI：55.0%，64.6%）。回应率的差异为19.3%（95%CI：12.2%，26.3%）。
结论
这些结果表明，附有三次提醒的邮寄调查问卷的回应率可能高于电话访谈。
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