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Psychometric Properties of the Persian Version of the Geriatric Anxiety Inventory (Gai-Pv) and Its Short Form Publisher



Shati M1 ; Mortazavi SS1, 2 ; Taban M1 ; Malakouti SK1 ; Mehravaran S3 ; Norouzi A4, 5 ; Pachana NA6
Authors
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Authors Affiliations
  1. 1. Mental Health Research Center, Psychosocial Health Research Institue, University of Medical Sciences, Tehran, Iran
  2. 2. School of Behavioral Sciences and Mental Health (Tehran Institute of Psychiatry), University of Medical Sciences, Tehran, Iran
  3. 3. ASCEND Center for Biomedical Research, Morgan State University, Baltimore, MD, United States
  4. 4. Medical Education Department, Medical School, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Education Development Center, Zanjan University of Medical Sciences, Zanjan, Iran
  6. 6. School of Psychology, University of Queensland, Brisbane, Iran

Source: Medical Journal of the Islamic Republic of Iran Published:2021


Abstract

Background: Despite studies about anxiety in the older adult, the prevalence of anxiety in this age group is not exactly clear, which may be due to the use of tools and criteria that were not born for this age group. One of the instruments designed to assess anxiety in the elderly is the Geriatric Anxiety Inventory (GAI). The aim of this research was to analyze the psychometric properties of the Persian version of the Geriatric Anxiety Inventory (GAI-PV) and its short form (GAI-PV-SF) in a sample of older adults in Iran. Methods: In this cross-sectional study, a sample of 150 community-dwelling and a psychogeriatric sample of 48 adults older than 60 years completed the GAI-PV and GAI-PV-SF, the anxiety sub-scale of the General Health Questionnaire (GHQ-28), the Geriatric Depression Scale (GDS-15), and the Structured Clinical Interview for DSM-IV (SCID-I). Different types of validity and reliability were evaluated for GAI-PV and GAI-PV-SF using SPSS and the LISREL software. Results: Both the GAI-PV and GAI-PV-SF exhibited excellent internal consistency (over 80 %) and desirable concurrent validity against GHQ-28 and GDS-15. The optimal cutpoint score to detect current generalized anxiety disorder (GAD) was 10/11 and 13/14 for GAI-PV in the community-dwelling and psychogeriatric samples, respectively, and 3/4 for GAI-PV-SF in both study samples. Good test-retest reliability (correlation coefficient: 0.96 and 0.88 for GAI-PV and GAI-PV-SF, respectively) and a single-factor structure were also demonstrated. Conclusion: Sound psychometric properties of the GAI-PV in both subsamples suggest that the instrument could be used successfully as an accurate screening instrument in the elderly Iranian population. Copyright© Iran University of Medical Sciences
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