Factor structure of the Chinese version of the geriatric anxiety inventory
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Guan Ann Gen Psychiatry (2016) 15:4 DOI 10.1186/s12991-016-0092-4
Open Access
PRIMARY RESEARCH
Factor structure of the Chinese version of the geriatric anxiety inventory Ming Guan1,2*
Abstract Background: As China’s population ages, the mental health of older people has been increasingly focused on by academic circles. Purpose: The aim of this study was to identify the factor structure of the Chinese version of the geriatric anxiety inventory (GAI-CV). Methods: This study used data collected from Investigation on the anxiety symptoms of the elderly in the city of Beijing supported by scientific research fund project of Renmin University of China. Cronbach’s α was used to test internal consistency reliability. Both confirmatory and exploratory factor analyses were performed separately for factor analysis. Results: 1318 subjects with mean age 71.35 ± 7.44 years (male 40.6 %) were involved. Principal components analysis revealed a three-factor structure of the GAI-CV. GAI-CV scales exhibited good internal consistency (Cronbach’s α = 0.937) and a three-factor model fit the data well [comparative fit index (CFI) = 0.891, root mean square error of approximation (RMSEA) = 0.084]. Conclusions: The Chinese version of the GAI appears to be reliable and valid to measure anxiety for elderly people in China. Keywords: Factor structure, GAI-CV, Principal components analysis, Confirmatory factor analysis Background Late-life anxiety disorders are chronic and fairly common, but under-diagnosed and undertreated. Anxiety disorders in the elderly are an underestimated cause of distress, disability, and mortality risk [1]. The Generalized Anxiety Inventory (GAI) is a new 20-item self-report or nurseadministered scale developed by Pachana et al. (2007) that measures dimensional anxiety in elderly people [2]. Various versions of GAI, such as Australian version [3], Portuguese version [4], Spanish version [5], GAI-short form [6], Chinese version [7], and Brazilian Portuguese version [8] have demonstrated very good psychometric properties and can be a reliable instrument to measure anxiety in native elderly people. The concurrent validity [9] and predictive validity [10] of the GAI were validated. And GAI in *Correspondence: [email protected] 1 Family Issues Center, Xuchang University, Xuchang, China Full list of author information is available at the end of the article
a duloxetine clinical trial for elderly adults with generalized anxiety disorder was validated [11]. With the fast development of its economy, China has seen the fastest increase in its aging population in the world. The mental health of life of older people is of increasing interest in China, due to its aging population. But there is lack of systematic evidences of aged Chinese with anxiety. While, worst of all, middle-aged persons suffering from anxiety disorder in modern China live poor lives. For example, Wang et al. (2015) indicate that patients with anxiety disorder in China tend to have poor family functioning and quality of life [12]. Hence, I specula
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