ArticleQuality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation2016
Adaptation and validation of the "tolerability and quality of life" (TOOL) questionnaire in Chinese bipolar patients.
Article in Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundIt is well known that the antipsychotic drugs impact the health-related quality of life (HRQoL) of the bipolar patients. The side effects had been assessed only from the doctors' perspective and neglected the patients' subjective feeling. The aim of the study is to validate the specific instrument "tolerability and quality of life" (TOOL) into Chinese to describe and grade the impact of antipsychotic drugs on HRQoL from patients' view.
methodsA psychometric study was conducted with euthymic bipolar disorder patients (N = 105) under antipsychotic treatment. The psychometric properties of the TOOL, including internal consistency, retest reliability, concurrent validity, content validity, discriminative validity, item analysis, confirmatory factor analysis and feasibility, were analyzed.
resultsThe internal consistency and intraclass correlation coefficient (ICC) were adequate (Cronbach's alpha = 0.80 and ICC = 0.81). A confirmatory factor analysis (CFA) validated the one-factor model. Significant Spearman's rank correlations between the TOOL and both Bref QoL.BD (Brief version of Quality of Life in Bipolar Disorder) (r = -0.33, P < 0.01) and UKU (Udvalg for Kliniske Undersogelser side effects scale) (r = 0.13, P < 0.05) were found. LIMITATIONS: Small sample size and no specific self-report instrument in Chinese to evaluate the criterion validity.
conclusionsTOOL appears to be a reliable and valid measure to assess the impact of adverse events of antipsychotic drugs on HRQoL from the patients' perspective.
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