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  • Title: Psychometric analysis of the adult sickle cell quality of life measurement information system (ACSQ-Me) in a UK population.
    Author: Cooper O, McBain H, Tangayi S, Telfer P, Tsitsikas D, Yardumian A, Mulligan K.
    Journal: Health Qual Life Outcomes; 2019 Apr 29; 17(1):74. PubMed ID: 31036017.
    Abstract:
    BACKGROUND: The Adult Sickle Cell Quality of Life Measurement Information System (ASCQ-Me) has been shown to be a reliable and valid questionnaire measuring health-related quality of life (HRQoL) in the US sickle cell disease (SCD) population. The study objective was to test the validity and reliability of the ASCQ-Me for use in the UK. METHODS: The US ASCQ-Me, Hospital Anxiety and Depression Scale (HADS), self-reported symptoms, and Medical Outcome Survey Short Form 36 (SF-36) were administered to 173 patients with SCD. Clinical severity was assessed by the number of painful episodes indicated by hospital admissions. RESULTS: The results showed that the item banks of the UK ASCQ-Me had good internal consistency. Anxiety and depression were strongly correlated with the emotional, and social item banks of the UK ASCQ-Me, with moderate correlations between the UK ASCQ-Me item banks and SF-36 components suggesting convergent validity. A confirmatory factor analysis confirmed the conceptual framework of the scale as being the same as the US ASCQ-Me, indicating construct validity. Known groups validity was found, with the ASCQ-Me being able to differentiate by SCD severity groups. CONCLUSION: The analysis of the sample shows evidence of both validity and reliability of the ASCQ-Me for use in the UK SCD population.
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