J Obstet Gynecol Neonatal Nurs. 2022 Nov;51(6):631-642. doi: 10.1016/j.jogn.2022.08.001. Epub 2022 Aug 23.
To develop and test the psychometric properties of a shared decision-making tool: Childbirth Options, Information, and Person-Centered Explanation (CHOICEs).
Multiphase instrument development study beginning with item development through a cross-sectional postpartum survey.
The cross-sectional postpartum survey was distributed online through convenience and snowball sampling methods.
We developed instrument items through an iterative process with key stakeholders. We evaluated reliability based on internal consistency and differential item functioning analysis. We evaluated validity on evidence of construct validity. We used criterion-related item mapping to evaluate whether the measure addressed the full spectrum of shared decision making related to maternity care.
Surveys were completed by 1,171 participants. A Cronbach's α coefficient of .99 supported internal consistency reliability. Infit and outfit statistics that ranged from 0.92 to 1.55 supported item fit. Differential item functioning analysis showed that CHOICEs scores were invariant between different demographic groups. Significant positive correlations between scores on CHOICEs and the Mothers on Respect index (r = 0.75, p = .01) and the Mothers Autonomy in Decision-Making scale (r = 0.75, p = .01) supported criterion-related validity. Item mapping suggested more items were needed to capture the full spectrum of shared decision making.
We recommend using CHOICEs to evaluate shared decision making in maternity care for research and quality improvement projects.
开发和测试一种共享决策工具的心理测量学特性：分娩选择、信息和以人为中心的解释（CHOICEs）。
多阶段仪器开发研究，从项目开发开始，通过横断面产后调查进行。
横断面产后调查通过方便和滚雪球抽样方法在线发布。
我们通过与主要利益相关者的迭代过程开发仪器项目。我们通过结构有效性的证据评估了可靠性，包括内部一致性和差异项目功能分析。我们使用基于标准的项目映射来评估该措施是否涵盖了与产妇护理相关的共享决策的全部范围。
共有 1171 名参与者完成了调查。Cronbach's α 系数为 0.99，支持内部一致性可靠性。范围在 0.92 到 1.55 的拟合和拟合统计数据支持项目拟合。差异项目功能分析表明，CHOICEs 评分在不同人口统计学群体之间是不变的。CHOICEs 评分与尊重母亲指数（r = 0.75，p = 0.01）和母亲决策自主权量表（r = 0.75，p = 0.01）之间呈显著正相关，支持了标准相关的有效性。项目映射表明，需要更多的项目来捕捉共享决策的全部范围。
我们建议在产妇护理中使用 CHOICEs 来评估共享决策，用于研究和质量改进项目。
