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The reliability, validity, and applicability of an English language version of the Mini-ICF-APP

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Social Psychiatry and Psychiatric Epidemiology Aims and scope Submit manuscript

Abstract

Purpose

This study aimed at establishing the validity and reliability of an English language version of the Mini-ICF-APP.

Methods

One hundred and five patients under the care of secondary mental health care services were assessed using the Mini-ICF-APP and several well-established measures of functioning and symptom severity. 47 (45 %) patients were interviewed on two occasions to ascertain test–retest reliability and 50 (48 %) were interviewed by two researchers simultaneously to determine the instrument’s inter-rater reliability. Occupational and sick leave status were also recorded to assess construct validity.

Results

The Mini-ICF-APP was found to have substantial internal consistency (Chronbach’s α 0.869–0.912) and all 13 items correlated highly with the total score. Analysis also showed that the Mini-ICF-APP had good test–retest (ICC 0.832) and inter-rater (ICC 0.886) reliability. No statistically significant association with length of sick leave was found, but the unemployed scored higher on the Mini ICF-APP than those in employment (mean 18.4, SD 9.1 vs. 9.4, SD 6.4, p < 0.001). The Mini-ICF-APP correlated highly with the other measures of illness severity and functioning considered in the study.

Conclusions

The English version of the Mini-ICF-APP is a reliable and valid measure of disorders of capacity as defined by the International Classification of Functioning. Further work is necessary to establish whether the scale could be divided into sub scales which would allow the instrument to more sensitively measure an individual’s specific impairments.

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Acknowledgments

We wish to thank the staff and patients of the Didcot and Witney Community Mental Health Teams who gave their time for this research. We also thank Helen Morley for her valuable assistance with recruitment.

Conflict of interest

This research was funded by an unrestricted educational grant from Johnson and Johnson. They had no involvement in the design or conduct of the trial or in production of this report. The authors declare no other conflict of interest.

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Authors and Affiliations

  1. Social Psychiatry Group, Department of Psychiatry, University of Oxford, Oxford, OX3 7JX, UK

    Andrew Molodynski, Ksenija Yeeles, Catriona Anderson & Tom Burns

  2. Research Group Psychosomatic Rehabilitation, Charité University Medicine Berlin, Lichterfelder Allee 55, 14513, Teltow, Germany

    Michael Linden

  3. Department of Psychiatry and Psychotherapy, Ruhr University Bochum LWL University Hospital Bochum, Alexandrinenstr., 144791, Bochum, Germany

    George Juckel

  4. Department of Primary Care Health Sciences, 2nd floor, 23-38 Hythe Bridge Street, Oxford, OX1 2ET, UK

    Maria Vazquez-Montes

  5. Department of Behavioral Medicine, Rehabilitation Centre Seehof, Teltow/Berlin, Lichterfelder Allee 55, 14513, Teltow, Germany

    Michael Linden

Authors
  1. Andrew Molodynski
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  2. Michael Linden
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  3. George Juckel
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  4. Ksenija Yeeles
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  5. Catriona Anderson
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  6. Maria Vazquez-Montes
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  7. Tom Burns
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Corresponding author

Correspondence to Andrew Molodynski.

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Molodynski, A., Linden, M., Juckel, G. et al. The reliability, validity, and applicability of an English language version of the Mini-ICF-APP. Soc Psychiatry Psychiatr Epidemiol 48, 1347–1354 (2013). https://doi.org/10.1007/s00127-012-0604-8

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  • DOI: https://doi.org/10.1007/s00127-012-0604-8

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