The Self-Efficacy for Functional Abilities Scale for Older Adults in Long-Term Care: Two-Level Exploratory and Confirmatory Factor Analysis
The Self-Efficacy for Functional Abilities Scale for Older Adults in Long-Term Care: Two-Level Exploratory and Confirmatory Factor Analysis
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DOI：
10.1891/1061-3749.23.1.112
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发表时间：
2015-01-01
影响因子：
0.7
通讯作者：
Resnick, Barbara
中科院分区：
文献类型：
--
作者：
Liu, Wen;Galik, Elizabeth;Resnick, Barbara
背景与目的：本研究探讨长期护理老年人功能能力自我效能感（SEFA）量表的潜在因素结构。方法：对16家长期护理机构568名住院患者的SEFA数据进行二次分析。样本被随机分成2个子样本。采用考虑设施聚类效应的两层次探索性因子分析和验证性因子分析，分别确定和识别因子结构。结果：确定了单因素模型和双因素模型。两种模型均表现出可接受的混合模型拟合。双因素模型判别效度较差，各因素间相关性较高（r = 0.92, p < 0.001）。单因素模型有效，与函数有中等相关性（r = .301, p < .001）。结论：SEFA量表在长期护理机构的老年人中呈现单向度结构。未来需要对其他老年人群进行检测。
Background and Purpose: This study examines the underlying factor structure of the Self-Efficacy for Functional Abilities (SEFA) scale among older adults in long-term care settings. Methods: A secondary analysis of SEFA data for 568 residents in 16 long-term care facilities was applied. The sample was randomly split into 2 subsamples. A 2-level exploratory and confirmatory factor analysis adjusting for clustering effect of facilities was used to identify and determine the factor structures respectively. Results: There were 1- and 2-factor models that were identified. Both models demonstrated acceptably mixed model fit. The 2-factor model had poor discriminant validity with high correlation between factors (r = .92, p < .001). The single-factor model was considered valid with moderate correlation with function (r = .301, p < .001). Conclusions: The SEFA scale demonstrated a unidimensional construct among older adults in long-term care settings. Future testing is needed among other older adult populations.