在邮件问卷中附上一支笔后续调查以增加响应率:试验中的一项研究
Caroline Fairhurst1, Gillian Parkinson1, Catherine Hewitt1
1York Trials Unit, Department of Health Sciences, University of York, York, YO10 5DD, UK.
NIHR open research
|October 25, 2023
概括
在随机对照试验中,包含邮寄问卷的笔并没有显著提高响应率. 这一发现表明,提供笔并不能提高参与者对后续调查的参与度.
科学领域:
- 临床试验方法论 临床试验方法论
- 医疗保健服务研究 医疗服务研究
- 生物统计学 生物统计学
背景情况:
- 随机对照试验 (RCT) 的反应率较低可能会损害研究的有效性.
- 这项研究研究了一种简单的干预措施,以改善后续问卷的填写.
研究的目的:
- 确定将笔与邮政问卷一起使用是否会影响RCT的响应率.
- 评估对调查问卷返回时间,提醒率和数据完整性的影响.
主要方法:
- 一个双臂随机对照试验 (RCT) 嵌入在温柔年 (GYY) 试验中.
- 参与者被随机分配 (1:1) 接受笔或没有笔与他们的3个月问卷.
- 主要结果:返回问卷的比例;次要结果:返回时间,提醒率,完整性.
主要成果:
- 笔记本组 (96.4%) 和无笔记本组 (99.2%) 之间的回报率没有统计学上显著的差异.
- 没有观察到在返回时间,需要提醒的比例或问卷的完整性方面存在重大差异.
- 收益率的几率比率 (OR):0.23 (95% CI 0.02~2.19,p=0.20). 收益率的几率比率 (OR) 是:0.23 (95% CI 0.02~2.19,p=0.20). 收益率的几率比率 (OR) 是:0.23 (95% CI 0.02~2.19,p=0.20).
结论:
- 提供邮寄后续调查问卷的笔在这个RCT中没有显著提高响应率.
- 干预没有显示出与填写问卷相关的次要结果有明显的好处.
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