知情选择的一种衡量方式。
A measure of informed choice.
作者信息
Marteau T M, Dormandy E, Michie S
机构信息
Psychology and Genetics Research Group, Guy's, King's and St Thomas's School of Medicine, King's College, London, UK.
出版信息
Health Expect. 2001 Jun;4(2):99-108. doi: 10.1046/j.1369-6513.2001.00140.x.
OBJECTIVE
To develop a measure of informed choice. CONCEPTUALIZATION AND MEASUREMENT: The measure is based on the following definition of an informed choice: one that is based on relevant knowledge, consistent with the decision-maker's values and behaviourally implemented. The measure comprises an eight-item scale of knowledge, a four-item scale assessing attitudes towards undergoing the screening test and a record of test uptake.
PARTICIPANTS
Sixty-six women awaiting their first antenatal clinic appointments. MEASURE DEVELOPMENT: In women offered a screening test in pregnancy, the internal reliability of both the knowledge and the attitude scales was acceptable (alpha coefficients 0.82 and 0.83, respectively). Of the 42 women completing both scales, 18 were classified as having made an informed choice, and 24 were classified as having made an uninformed choice.
CONCLUSION
The results of this preliminary study provide some evidence to support the feasibility of conceptualizing and measuring informed choices regarding screening using a brief measure assessing knowledge and attitudes. The validity and utility of this approach awaits further studies, involving larger numbers of participants, offered different screening tests.
目的
制定一种知情选择的衡量方法。
概念化与测量
该衡量方法基于以下对知情选择的定义：基于相关知识、符合决策者价值观且在行为上得以实施的选择。该衡量方法包括一个由八项内容组成的知识量表、一个由四项内容组成的评估接受筛查测试态度的量表以及一份测试接受情况记录。
参与者
66名等待首次产前门诊预约的女性。
测量方法的制定
在接受孕期筛查测试的女性中，知识量表和态度量表的内部信度均可接受（α系数分别为0.82和0.83）。在完成这两个量表的42名女性中，18名被归类为做出了知情选择，24名被归类为做出了非知情选择。
结论
这项初步研究的结果提供了一些证据，支持使用一种评估知识和态度的简短方法来概念化和衡量关于筛查的知情选择的可行性。这种方法的有效性和实用性有待进一步研究，涉及更多参与者，并提供不同的筛查测试。
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