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  • Title: Psychometric field testing of the HemoLatin-QoL questionnaire.
    Author: Remor E.
    Journal: Haemophilia; 2016 Sep; 22(5):e390-400. PubMed ID: 27481399.
    Abstract:
    PURPOSE: The present work aims to describe the psychometric field testing of the Latin American Hemophilia-Specific Quality of Life Assessment Measure for Adults (the HemoLatin-QoL questionnaire) in 306 adults (age range 16-80) with haemophilia living in seven Latin American countries (i.e. Argentina, Brasil, Chile, Nicaragua, Panama, Uruguay and Venezuela). METHODS: The HemoLatin-QoL questionnaire is a patient-reported outcomes instrument that evaluates relevant health-related quality-of-life domains for haemophilia, selected by an exploratory qualitative study with patients, and taking into account healthcare specialists in haemophilia also. Psychometric examination involved the assessment of the data quality, scaling assumptions, reliability (internal consistency and test-retest) and evidences for validity (dimensionality, convergent and external-related clinical criterion). RESULTS: A 27-item version with a six-factor structure (e.g. physical functioning, pain, emotional functioning, social functioning, mental health, environment conditions) was psychometrically tested using exploratory factor analysis. The instrument and its subscales fulfilled the construct (dimensionality, convergent and criterion-related) validity hypotheses. The criteria for adequate internal consistency and test-retest reliability of the HemoLatin-QoL instrument were also met. CONCLUSION: The HemoLatin-QoL showed acceptable psychometric properties with respect to responses from haemophilia patients. The questionnaire is now available for adult assessment and is ready for use in research in Latin America.
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