Communicating Uncertainty About the Effects of Wearing Glasses to Reduce the Chance of Getting COVID (Corona Virus Disease): Protocol for a Randomized Trial
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 960
- 试验地点
- 1
- 主要终点
- understanding of overall uncertainty of harm (of wearing glasses to reduce the chance of covid infection)
研究概览
简要总结
Randomized trial testing 6 forms of a communication summarizing the results of a recent study (about the effects of wearing glasses on reducing covid infection risk).
The goal of the trial is to test the effect of different language options to describe uncertainty, and of including the margin of error around the main result.
详细描述
The study is designed as a proof-of-concept exercise to develop and test a communication meant to summarize the results of a recent randomized trial examining the effects of wearing glasses on the chance of developing COVID-19.
The objectives of the randomized trial are:
- To compare the effects of three ways of communicating the overall uncertainty of the effects of wearing glasses to reduce the chance of getting COVID and
- To compare the effects of including the margin of error (confidence interval) compared to not including it.
Researchers will conduct an online, parallel group, individually randomized, pragmatic trial using a 3x2 factorial design, ie, 3 uncertainly language options (GRADE language, colloquial language or none 2 options for the statistical margin of error for the main results (margin of error language or none).
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Factorial
- 主要目的
- Other
- 盲法
- Single (Investigator)
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •>= 18 years old
- •literate in English or Norwegian
- •currently residing in Norway or the United States
排除标准
- •individuals who regularly wear any kind of glasses (i.e., prescription or sunglasses) all or most of the time
结局指标
主要结局
understanding of overall uncertainty of harm (of wearing glasses to reduce the chance of covid infection)
时间窗: within 1 day
How sure about the effect (4 point scale from very unsure to very sure)
understanding of overall uncertainty of benefit (of wearing glasses to reduce the chance of covid infection)
时间窗: within 1 day
How sure about the effect (4 point scale from very unsure to very sure)
sufficiency of what is known about the effects of wearing glasses to reduce the chance of covid infection
时间窗: within 1 day
How sure about the effect (4 point Likert scale)
Understanding the margin of error around the benefit of wearing glasses to reduce covid
时间窗: within 1 day
this is a co-primary outcome which will be used only to compare the 3 versions that include the margin of error to the 3 versions that do not
次要结局
- perceptions fo information provided (clarity of info about benefit)(within 1 day)
- perceptions fo information provided (info helpful?)(within 1 day)
- perceptions fo information provided (share info with others?)(within 1 day)
- Decisional conflict (hard to make decision)(within 1 day)
- intended behavior (if there were very few cases of covid in your area, how likely would you be to wear glasses to reduce the chance of covid infection(within 1 day)
- perceptions fo information provided (sufficient summary?)(within 1 day)
- perceived effect of wearing glasses to reduce chance of covid infection(within 1 day)
- how likely is it that wearing glasses reduces the chance of covid infection(within 1 day)
- perceptions fo information provided (clarity of info about harm)(within 1 day)
- intended behavior (if there were a surge in covid in your area, how likely would you be to wear glasses to reduce the chance of covid infection(within 1 day)
- perceptions fo information provided (trustworthy summary?)(within 1 day)
- Decisional conflict (made informed decision)(within 1 day)
- Decisional conflict (satisfied with decision)(within 1 day)