跳至主要内容
临床试验/NCT04426331
NCT04426331已完成不适用

Providing Vouchers Redeemable for Already Free Eye Exams To Increase Uptake Among a Low-Income Minority Population: A Randomized Trial

Johns Hopkins University2 个研究点 分布在 1 个国家目标入组 739 人开始时间: 2017年5月5日最近更新:
适应症

试验速览

阶段
不适用
状态
已完成
入组人数
739
试验地点
2
主要终点
Uptake of follow-up appointment

研究概览

简要总结

This study was intended to test if reframing an offer for a free follow-up eye examination could increase uptake within ongoing community-based screening program for low-income and minority populations in Baltimore City. This study evaluated the effect of offering participants a physical voucher they were told was redeemable for free follow-up, relative to simply telling participants that the follow-up appointment would be free of charge. The investigators assessed two forms of vouchers, one with estimated value information, and one without. The underlying hypothesis was that reframing these already free offers would increase uptake by increasing perceived offer value and increasing a sense of regret from not taking advantage of a "good deal."

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Health Services Research
盲法
None

入排标准

年龄范围
50 Years 至 —(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • Referred for follow-up at a Screening to Prevent Glaucoma (SToP) study screening event (overarching observational study from which trial sample was drawn). SToP participants were referred for follow-up for any of the following conditions: (1) VA worse than 20/40 in at least 1 eye despite autorefraction; (2) signs of retinal abnormalities on fundus photography; (3) uninterpretable fundus photography; (4) cup-to-disc ratio (CDR) greater than or equal to 0.9, and/or CDR between 0.7 and 0.9 with visual field defects or history of glaucoma; and (5) IOP of 23 mm Hg or greater.

排除标准

  • SToP participants who were not referred at the time of screening but later contacted after review of fundus photography
  • SToP participants who were referred for follow-up but stated at the time of counseling that they were already under the care of an eye doctor

结局指标

主要结局

Uptake of follow-up appointment

时间窗: Within 90 days of the date of screening

The primary endpoint was attending a follow-up appointment, either on the initially scheduled or on a rescheduled date within 90 days of the date of screening. Individuals who did not meet this endpoint either stated that they were not interested in follow-up at the screening event itself, cancelled or did not show for their appointments on 3 occasions, stated that they were not interested in follow-up when study staff attempted to reschedule, or did not show for an appointment and could not be reached for rescheduling after 3 attempts.

次要结局

  • Uptake of initial appointment(Within 90 days of the date of screening)

研究者

申办方类型
Other
责任方
Sponsor

研究点 (2)

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