Response rates to random digit dialing for recruiting participants to an onsite health study.
Response rates to random digit dialing for recruiting participants to an onsite health study.
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用于招募现场健康研究参与者的随机数字拨号的响应率。
DOI：
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发表时间：
1996
期刊：
影响因子：
--
通讯作者：
C. Toronjo
中科院分区：
文献类型：
--
作者：
V. Pavlik;D. Hyman;C. Vallbona;J. Dunn;K. Louis;C. M. Dewey;L. Wieck;C. Toronjo
目标
旨在评估以随机数字拨号代替地理区域抽样和家庭访谈招募 2100 名非裔美国人进行血压测量和高血压相关知识和态度调查时的响应率。
方法
使用随机数字拨号来识别居住在德克萨斯州休斯顿 12 个低收入邮政编码地区的非裔美国成年人。对所有受访者进行了高血压认知和治疗的简短调查。那些自认为是非裔美国人的人被邀请到社区地点进行血压测量和长期的个人访谈。完成门诊就诊可获得 10 美元的奖励。对未答复者进行了一项子研究，以测试 25 美元激励措施在提高答复率方面的有效性。最初随机电话访谈的数据用于识别参加和未参加测量会议的人之间的差异。
结果
94% 的符合条件的受访者完成了电话调查，65% 的人同意前往中心社区站点进行血压测量。尽管有经济激励和多次尝试重新安排错过的预约，但在同意参加的 65% 中，只有 26% 完成了预定的访问。在较高经济激励的子研究中，所有错过原定预约的人都同意再次预约，并且该小组中 85% 的人保留了该预约。没有全职工作和高血压病史与同意接受测量和遵守预约始终相关。尽管对预约的答复率较低，但除了就业状况和高血压病史之外，答复者和非答复者之间的差异很小，并且与健康调查中通常观察到的情况一致。
结论
使用随机数字拨号代替区域抽样和家庭筛查导致研究人群的答复率低得令人无法接受，因此在没有进一步研究提高答复率的方法之前不应采取这种做法。
OBJECTIVE
To evaluate the response rates when random digit dialing was used as a substitute for geographic area sampling and household interviews to recruit 2100 African Americans for a blood pressure measurement and hypertension-related knowledge and attitudes survey.
METHODS
Random digit dialing was used to identify African American adults living in 12 low-income ZIP code areas of Houston, Texas. A brief survey of hypertension awareness and treatment was administered to all respondents. Those who self-identified as African American were invited to a community location for blood pressure measurement and an extended personal interview. An incentive of $10 was offered for the completed clinic visit. A substudy of nonrespondents was carried out to test the effectiveness of a $25 incentive in increasing the response rate. Data from the initial random telephone interview were used to identify differences between those who did and did not attend the measurement session.
RESULTS
Ninety-four percent of eligible persons contacted completed the telephone survey, and 65% agreed to visit a central community site for blood pressure measurement. In spite of the financial incentive and multiple attempts to reschedule missed appointments, only 26% of the 65% who agreed to attend completed the scheduled visit. In the substudy of the higher financial incentive, all of those who missed the original appointment agreed to another appointment, and 85% of this subgroup kept it. Not being employed full-time and a history of hypertension were consistently associated with agreement to be measured and keeping an appointment. In spite of the low response rate for scheduled appointments, differences--other than in employment status and a history of hypertension--between responders and nonresponders were small and consistent with what is usually observed in health surveys.
CONCLUSIONS
The use of random digit dialing as a substitute for area sampling and household screening resulted in unacceptably low response rates in the study population and should not be undertaken without further research on ways to increase response rates.
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DOI：
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发表时间：
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期刊：
Public health reports (Washington, D.C. : 1974)
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