Validity of Self-Report Screening Scale for Elder Abuse: Women's Health Australia Study

Purpose: Early identification of elder abuse requires a valid, easily administered screening instrument. This study examined the reliability and validity of the Vulnerability to Abuse Screening Scale (VASS), a 12-item self-report measure with four factors (Vulnerability, Dependence, Dejection, and C...

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Veröffentlicht in:The Gerontologist 2003-02, Vol.43 (1), p.110-120
Hauptverfasser: Schofield, Margot J., Mishra, Gita D.
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Mishra, Gita D.
description Purpose: Early identification of elder abuse requires a valid, easily administered screening instrument. This study examined the reliability and validity of the Vulnerability to Abuse Screening Scale (VASS), a 12-item self-report measure with four factors (Vulnerability, Dependence, Dejection, and Coercion). Design and Methods: The sample consisted of 10,421 nationally representative Women's Health Australia study participants, aged 73–78, who completed the Time 2 postal survey in 1999. We tested validity of the VASS factor structure and whether baseline risk status independently predicted Time 2 attrition. Results: Findings confirmed the VASS factor structure and construct validity. Four factors explained 51% of variance, and these factors were internally consistent. The Vulnerability and Coercion factors held the strongest face and construct validity for physical and psychological abuse. The Dependence and Dejection factors were valid and reliable and significantly predicted 3-year attrition after controlling for confounders. Implications: Further work is needed to determine sensitivity and specificity of VASS as a screening instrument for elder abuse. Qualitative research could examine specific experiences and contexts of vulnerable women.
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This study examined the reliability and validity of the Vulnerability to Abuse Screening Scale (VASS), a 12-item self-report measure with four factors (Vulnerability, Dependence, Dejection, and Coercion). Design and Methods: The sample consisted of 10,421 nationally representative Women's Health Australia study participants, aged 73–78, who completed the Time 2 postal survey in 1999. We tested validity of the VASS factor structure and whether baseline risk status independently predicted Time 2 attrition. Results: Findings confirmed the VASS factor structure and construct validity. Four factors explained 51% of variance, and these factors were internally consistent. The Vulnerability and Coercion factors held the strongest face and construct validity for physical and psychological abuse. The Dependence and Dejection factors were valid and reliable and significantly predicted 3-year attrition after controlling for confounders. Implications: Further work is needed to determine sensitivity and specificity of VASS as a screening instrument for elder abuse. 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source Oxford University Press Journals All Titles (1996-Current); MEDLINE; Sociological Abstracts
subjects Adult abuse
Adult abuse & neglect
Aged
Australia
Chi-Square Distribution
Cohort
Cohort Studies
Construct Validity
Dejection
Dependence
Elder Abuse
Elder Abuse - diagnosis
Elder Abuse - statistics & numerical data
Factor Structure
Female
Foreign Countries
Humans
Logistic Models
Longitudinal Studies
Mass Screening - methods
Older Adults
Personal Autonomy
Predictor Variables
Psychology
Psychosocial
Qualitative research
Quality of Life
Screening Tests
Social Environment
Surveys and Questionnaires
Vulnerability
Women
Women's Health
title Validity of Self-Report Screening Scale for Elder Abuse: Women's Health Australia Study
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