Comparison of response rates and cost-effectiveness for a community-based survey: postal, internet and telephone modes with generic or personalised recruitment approaches.
Comparison of response rates and cost-effectiveness for a community-based survey: postal, internet and telephone modes with generic or personalised recruitment approaches.
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DOI：
10.1186/1471-2288-12-132
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发表时间：
2012-08-31
影响因子：
4
通讯作者：
Leder K
中科院分区：
文献类型：
--
作者：
Sinclair M;O'Toole J;Malawaraarachchi M;Leder K
流行病学研究往往需要从具有代表性的社区样本中收集数据，或通过广泛的社区办法招募特定群体。邮寄到住址、通过公共电话簿或随机数字拨号进行电话联系等传统调查方法的人口覆盖率正在下降，调查回复率也在下降。有必要探索新的抽样框架，并考虑多种应对模式，包括电信和互联网技术的变化所提供的模式。我们评估了三种调查管理模式(邮寄邀请/邮寄调查、邮寄邀请/互联网调查和邮寄邀请/电话调查)和两种联系方式(个性化和一般性)在社区灰水使用调查中的回复率和成本效益。潜在的受访者只被联系了一次，没有对无回应者进行跟进。电话调查的回应率最高(30.2%)，其次是个人邮寄调查(10.5%)、一般邮寄调查(7.5%)，然后是互联网调查(个性化调查为4.7%，一般调查为2.2%)。在不同调查模式的受访者之间，以及使用个性化和通用方法的受访者之间，家庭特征和灰水使用率存在一些差异。这可能归因于答复所需动机的不同程度，以及灰水使用者和非使用者对调查主题的不同程度的兴趣。普通邮政调查收到的每份有效调查的成本最低(22.93澳元)，其次是个性化邮政调查(24.75美元)。我们的发现表明，邮寄调查目前仍然是基于人口的研究的最经济选择，个性化和通用方法的成本类似。互联网调查对于有电子邮件列表可供初次联系的专业群体来说可能是有效的，但对于基于社区的调查来说，家庭互联网接入以外的障碍仍然存在。鉴于社区研究面临越来越多的招聘挑战，必须收集关于不同调查模式和招聘方法的当代比较数据，以确定其优势、局限性和成本。研究人员还需要记录和报告目标人群和受访者中的潜在偏见，以及这可能如何影响收集的数据。
Epidemiological research often requires collection of data from a representative sample of the community or recruitment of specific groups through broad community approaches. The population coverage of traditional survey methods such as mail-outs to residential addresses, and telephone contact via public directories or random-digit-dialing is declining and survey response rates are falling. There is a need to explore new sampling frames and consider multiple response modes including those offered by changes in telecommunications and internet technology. We evaluated response rates and cost-effectiveness for three modes of survey administration (postal invitation/postal survey, postal invitation/internet survey and postal invitation/telephone survey) and two styles of contact approach (personalised and generic) in a community survey of greywater use. Potential respondents were contacted only once, with no follow up of non-responders. The telephone survey produced the highest adjusted response rate (30.2%), followed by the personalised postal survey (10.5%), generic postal survey (7.5%) and then the internet survey (4.7% for the personalised approach and 2.2% for the generic approach). There were some differences in household characteristics and greywater use rates between respondents to different survey modes, and between respondents to personalised and generic approaches. These may be attributable to the differing levels of motivations needed for a response, and varying levels of interest in the survey topic among greywater users and non-users. The generic postal survey had the lowest costs per valid survey received (Australian $22.93), followed by the personalised postal survey ($24.75). Our findings suggest that postal surveys currently remain the most economic option for population-based studies, with similar costs for personalised and generic approaches. Internet surveys may be effective for specialised groups where email lists are available for initial contact, but barriers other than household internet access still exist for community-based surveys. Given the increasing recruitment challenges facing community-based studies, there is an imperative to gather contemporary comparative data on different survey modes and recruitment approaches in order to determine their strengths, limitations and costs. Researchers also need to document and report on the potential biases in the target and respondent populations and how this may affect the data collected.
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