ArticleQuality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation2013
Empirically driven definitions of "good," "moderate," and "poor" levels of functioning in the treatment of schizophrenia.
Article in Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.
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Who cites it
8 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Systematic review of global functioning and quality of life in people with psychotic disorders.Epidemiology and psychiatric sciences · 2019Pooled it
- Confirmatory factor analysis of the quality of life scale and new proposed factor structure for the quality of life scale-revised.Schizophrenia research · 2017Trial
- Defining the minimal clinically important difference (MCID) of the Heinrichs-carpenter quality of life scale (QLS).International journal of methods in psychiatric research · 2016Trial
- Cross-cultural adaptation and psychometric evaluation of the Chinese version of the short version of the Cognitive Reserve Index Questionnaire (s-CRIq): a cross-sectional study.BMC psychiatry · 2026Article
- Uncovering mental well-being profiles in urban slums of Gorakhpur, India: A cluster-based approach using SWEMWBS.Global mental health (Cambridge, England) · 2026Article
- Online Survey of Clinical Practice in Patients with Schizophrenia Treated with Long-Acting Injectable Aripiprazole or Paliperidone Palmitate.Neuropsychiatric disease and treatment · 2021Article
- How to interpret multidimensional quality of life questionnaires for patients with schizophrenia?Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation · 2015Article
- Long-term functional improvements in the 2-year treatment of schizophrenia outpatients with olanzapine long-acting injection.Neuropsychiatric disease and treatment · 2014Article
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5 authors.
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Abstract
purposeThis study used an empirical approach to identify and validate the classification of patients with schizophrenia in "good," "moderate," or "poor" functioning groups based on the assessment of functional measures.
methodsUsing data from a study of schizophrenia outpatients, patients were classified into functional groups using cluster analysis based on the Heinrich-Carpenter Quality of Life Scale (QLS), the 36-item Short-Form Health Survey (SF-36) Mental Component Summary Score, and a productivity measure. A three-cluster solution was chosen. Concurrent, convergent, and discriminant validity were assessed. Criteria for classifying patient functioning as "good," "moderate," or "poor" were established using classification and regression tree analysis.
resultsThe three clusters consistently differentiated patients on the QLS, SF-36 Mental Component Summary Score, and productivity measure. The clusters also differed on other functional measures and were concordant with previous functional classifications. Concurrent, convergent, and discriminant validity were good. "Good" functioning was identified as a QLS total score ≥ 84.5; "moderate" and "poor" functioning were separated by a cutoff score of 15.5 on the QLS intrapsychic foundation domain. Sensitivity ranged from 86 to 93 % and specificity from 89 to 99 %.
conclusionsThe heterogeneity in functioning of schizophrenia patients can be classified reliably in an empirical manner using specific cutoff scores on commonly used functional measures.
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