代金券能否提高乳腺癌筛查率？一项随机试验的结果。
Do vouchers improve breast cancer screening rates? Results from a randomized trial.
作者信息
Stoner T J, Dowd B, Carr W P, Maldonado G, Church T R, Mandel J
机构信息
Division of Health Services Research, University of Minnesota School of Public Health, Minneapolis 55455-0392, USA.
出版信息
Health Serv Res. 1998 Apr;33(1):11-28.
OBJECTIVE
To determine the effect of a voucher for free mammography on compliance with recommended mammography screening guidelines.
STUDY DESIGN
Vouchers for free mammography distributed to a random sample of women over the age of 50 in two rural southern Minnesota counties. The vouchers were good for one year. Baseline and follow-up data were collected and rates of compliance with current mammography guidelines were observed for the voucher group and a control group of women living in the same counties.
METHODS
Logistic regression models were used to estimate the effect of the voucher on compliance with mammography guidelines and the impact of factors potentially influencing the effectiveness of the voucher.
PRINCIPAL FINDINGS
The voucher improved mammography rates primarily through increasing screening among women who were out of compliance at baseline.
CONCLUSIONS
Vouchers, even when distributed randomly within a population of rural Midwestern women, can significantly improve compliance rates. Vouchers are no less effective a means of increasing screening among vulnerable women than among other women.
目的
确定免费乳房X光检查代金券对遵循推荐的乳房X光检查筛查指南的影响。
研究设计
向明尼苏达州南部两个农村县50岁以上女性的随机样本发放免费乳房X光检查代金券。这些代金券有效期为一年。收集了基线和随访数据，并观察了代金券组以及居住在同一县的女性对照组遵循当前乳房X光检查指南的比率。
方法
使用逻辑回归模型来估计代金券对遵循乳房X光检查指南的影响以及可能影响代金券效果的因素的影响。
主要发现
代金券主要通过增加基线时未遵循筛查的女性的筛查率来提高乳房X光检查率。
结论
即使在中西部农村女性人群中随机发放代金券，也能显著提高遵循率。代金券在增加弱势女性筛查方面与其他女性一样有效。
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