Schiøtz Michaela, Bøgelund Mette, Willaing Ingrid
Steno Health Promotion Center, Steno Diabetes Center, Gentofte, Denmark.
Chronic Illn. 2012 Mar;8(1):56-63. doi: 10.1177/1742395311413307. Epub 2011 Sep 20.
To investigate response rates for online and paper versions of an identical questionnaire and the differences between respondents to each and between respondents and non-respondents among a population with type 2 diabetes.
We mailed letters containing an invitation to complete an online questionnaire to 2045 individuals, followed by two reminders; the second included a paper version of the questionnaire.
In total, 1081 people responded to either version of the questionnaire, yielding a response rate of 54%. Compared to total respondents, respondents completing the online version were more likely to be male, better educated, and younger, and have had diabetes for a shorter period of time. Compared to non-respondents, respondents were more likely to be male and have a lower hemoglobin A1c level.
Web-based surveys are capable of delivering a substantial number of responses cost-effectively. However, disadvantages related to selection bias should be taken into account, and mixed-mode methods should be considered when surveying populations with type 2 diabetes.
调查2型糖尿病人群中，相同问卷的在线版和纸质版的回复率，以及每种问卷的受访者之间、受访者与未受访者之间的差异。
我们向2045人邮寄了包含在线问卷填写邀请的信件，并随后进行了两次提醒；第二次提醒包含问卷的纸质版。
共有1081人回复了任一版本的问卷，回复率为54%。与全部受访者相比，完成在线版问卷的受访者更可能为男性、受教育程度更高、年龄更小，且患糖尿病的时间更短。与未受访者相比，受访者更可能为男性且糖化血红蛋白水平更低。
基于网络的调查能够经济高效地获得大量回复。然而，应考虑到与选择偏倚相关的缺点，在对2型糖尿病人群进行调查时应考虑采用混合模式方法。
