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Title: A scale for the management of aggressive and violent behaviour (C_MAVAS) : psychometric properties testing in mental health nurses
Authors: Cheung, T 
Mui, J
Ho, J 
Chien, WT
Keywords: Aggression
Exploratory factor analysis
Mental health nurses
Psychiatric hospitals
Psychometric properties
Issue Date: 16-Jul-2018
Publisher: Molecular Diversity Preservation International (MDPI)
Source: International journal of environmental research and public health, 2018, v. 15, no. 7, 1496 How to cite?
Journal: International journal of environmental research and public health 
Abstract: Background: This study set out to examine the psychometric properties of C_MAVAS, a newly Chinese-translated version of MAVAS, a 27-item scale assessing healthcare professionals' attitudes to the management of patient violence.
Method: The English version of the MAVAS was translated and back-translated to come up with C_MAVAS. A convenience sample of 262 qualified mental health nurses working in a local psychiatric hospital was recruited. Exploratory factor analysis tested C_MAVAS's construct validity.
Results: Content validity of the C_MAVAS was very satisfactory with validity indices of 97.4% for the overall scale and 90% to 100% for individual items. Exploratory factor analysis yielded a four-factor solution: 'interactional perspectives on patient violence', 'best ways perceived for violence management', 'internal or biomedical perspectives on patient violence', and 'external perspectives on patient aggression and violence', were important in shaping their attitudes towards managing violence and patient disruptiveness. Internal consistency of the Chinese version was barely satisfactory (Cronbach's alpha = 0.51⁻0.67) for the four factors/subscales and its test-retest reliability was good (Pearson's coefficient = 0.84).
Conclusion: The findings suggest the C_MAVAS is a valid and reliable tool to measure mental health nurses' attitudes towards patient violence/aggression in a mental hospital setting.
ISSN: 1661-7827
EISSN: 1660-4601
DOI: 10.3390/ijerph15071496
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