Measuring what matters to older persons for active living: part II cross-sectional validity evidence for OPAL measure across four countries.

IF 3.3 3区医学 Q1 HEALTH CARE SCIENCES & SERVICES

Quality of Life Research Pub Date : 2024-10-01 Epub Date: 2024-07-16 DOI:10.1007/s11136-024-03720-1

Nancy E Mayo, Mohammad Auais, Ruth Barclay, Joan Branin, Helen Dawes, Ida J Korfage, Kim Sawchuk, Eran Tal, Carole L White, Zain Ayoubi, Ezinne Ekediegwu, Kedar Mate, Lyne Nadeau, Sebastian Rodriguez Duque, Ayse Kuspinar

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引用次数: 0

Abstract

Introduction: Through interviews with 148 older persons from four countries and in four languages, the content for a 17-item measure of active living was developed. The purpose of this paper is to present further evidence of the extent to which this new measure, Older Persons Active Living (OPAL), is "fit-for-purpose" for measuring the extent of active living at one point in time.

Methods: A cross-sectional study was carried out on a population aged 65 + and living independently, drawn from a participant panel, HostedinCanada, sampling people from Canada, United States, United Kingdom, and Netherlands. The survey instrument comprised the OPAL questionnaire rated on importance and frequency, sociodemographics, and information on physical and mental function. The argument-based approach to validity framed the analyses. Logistic regression, structural equation modeling, ordinary least-squares regression, and correlation were used to generate estimates for parameters underpinning validity evidence.

Results: A total of 1612 people completed the survey, 100 to 400 people across the 6 country-language strata. The proportion of people rating the items as extremely or quite important ranged from 60 to 90%, with no important differences between men and women and few differences between strata. A single-factor structure was supported. The ordinality of the response options justified an additive total score yielding a near normal distribution (mean: 33.1; SD: 11.5; range 0-51). Correlations with other measures of converging constructs were of moderate strength (~ 0.50), and differences across groups known to affect functioning and health were observed, suggesting a Miminal Important Difference (MID) of 6 out of 51.

Conclusion: The results of this study provide evidence that the 17-item OPAL measure is fit for the purpose of estimating the extent to which older persons are living actively at one point in time.

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衡量老年人积极生活的重要因素：OPAL 衡量方法在四个国家的第二部分横截面有效性证据。

导言：通过对来自四个国家、使用四种语言的 148 名老年人进行访谈，制定了 17 个项目的积极生活测量内容。本文旨在进一步证明这一新的测量方法--老年人积极生活（OPAL）--在多大程度上 "适用于 "测量某一时点的积极生活程度：这项横断面研究的对象是年龄在 65 岁以上、独立生活的人群，他们来自一个名为 HostedinCanada 的参与者小组，成员来自加拿大、美国、英国和荷兰。调查工具由 OPAL 问卷、社会人口统计数据以及有关身体和精神功能的信息组成。以论证为基础的有效性方法为分析提供了框架。采用逻辑回归、结构方程模型、普通最小二乘回归和相关性等方法对有效性证据的参数进行估计：共有 1612 人完成了调查，其中 100 至 400 人来自 6 个国家-语言分层。将项目评为 "极其重要 "或 "相当重要 "的比例从 60% 到 90% 不等，男女之间没有明显差异，不同阶层之间也几乎没有差异。支持单因素结构。回答选项的普通性证明了加法总分接近正态分布（平均值：33.1；标准差：11.5；范围：0-51）。与其他趋同结构测量的相关性为中等强度（~ 0.50），并且观察到了已知会影响功能和健康的不同群体之间的差异，表明最大重要差异（MID）为 51 分中的 6 分：本研究的结果证明，17 项 OPAL 测量适合用于估算老年人在某一时刻的积极生活程度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Quality of Life Research 医学-公共卫生、环境卫生与职业卫生

CiteScore

6.50

自引率

8.60%

发文量

224

审稿时长

3-8 weeks

期刊介绍： Quality of Life Research is an international, multidisciplinary journal devoted to the rapid communication of original research, theoretical articles and methodological reports related to the field of quality of life, in all the health sciences. The journal also offers editorials, literature, book and software reviews, correspondence and abstracts of conferences. Quality of life has become a prominent issue in biometry, philosophy, social science, clinical medicine, health services and outcomes research. The journal''s scope reflects the wide application of quality of life assessment and research in the biological and social sciences. All original work is subject to peer review for originality, scientific quality and relevance to a broad readership. This is an official journal of the International Society of Quality of Life Research.