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Validation of the Medication Adherence Rating Scale in homeless patients ă with schizophrenia: Results from the French Housing First experience

Author

Listed:
  • K. Zemmour
  • A. Tinland
  • M. Boucekine
  • V. Girard
  • S. Loubiere
  • N. Resseguier
  • G. Fond
  • Pascal Auquier

    (SPMC - Santé Publique et maladies Chroniques : Qualité de vie Concepts, Usages et Limites, Déterminants - AMU - Aix Marseille Université - APHM - Assistance Publique - Hôpitaux de Marseille)

  • L. Boyer

    (SPMC - Santé Publique et maladies Chroniques : Qualité de vie Concepts, Usages et Limites, Déterminants - AMU - Aix Marseille Université - APHM - Assistance Publique - Hôpitaux de Marseille)

  • French Housing First Study Grp

Abstract

The Medication Adherence Rating Scale (MARS) is one of the most widely ă used measurements of adherence in schizophrenia (SZ), but there is no ă available data regarding its psychometric properties in homeless SZ ă patients (HSZ). The aim of this study was therefore to assess the ă psychometric properties of the MARS in a large multicenter sample of HSZ ă subjects. This multi-centre prospective study was conducted in the ă following 4 French cities: Lille, Marseille, Paris and Toulouse. Three ă hundred and fifty-three patients were included. The 3-factor structure ă of the MARS was confirmed using confirmatory factor analysis: RMSEA = ă 0.045, CFI = 0.98, TLI = 0.97 and WRMR = 0.76. The unidimensionality of ă each factor was supported by the satisfactory INFIT statistics. Item ă internal consistencies were all higher than 0.20 and the ă Kuder-Richardson were higher than to 0.6, except for factor 2, which was ă closed to 0.5. Significant associations with symptoms, functioning and ă quality of life showed satisfactory external validity. The acceptability ă was satisfactory with missing data lower than 5% for each dimension. ă The MARS is a short self-administered instrument with acceptable ă psychometric properties in homeless SZ patients that yields interesting ă information about medication adherence.

Suggested Citation

  • K. Zemmour & A. Tinland & M. Boucekine & V. Girard & S. Loubiere & N. Resseguier & G. Fond & Pascal Auquier & L. Boyer & French Housing First Study Grp, 2016. "Validation of the Medication Adherence Rating Scale in homeless patients ă with schizophrenia: Results from the French Housing First experience," Post-Print hal-01482348, HAL.
    • Handle: RePEc:hal:journl:hal-01482348
    DOI: 10.1038/srep31598
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    quality;

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