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Evaluation of the reliability and validity of the Italian version of the schema mode inventory for eating disorders: short form for adults with dysfunctional eating behaviors

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Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity Aims and scope Submit manuscript

A Correction to this article was published on 09 March 2019

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Abstract

Purpose

To examine the psychometric properties and the factorial structure of the Italian version of the schema mode inventory for eating disorders—short form (SMI-ED-SF) for adults with dysfunctional eating patterns.

Methods

649 participants (72.1% females) completed the 64-item Italian version of the SMI-ED-SF and the eating disorder examination questionnaire (EDE-Q) for measuring eating disorder symptoms. Psychometric testing included confirmatory factor analysis (CFA) and internal consistency. Multivariate analysis of covariance (MANCOVA) was also run to test statistical differences between the EDE-Q subscales on the SMI-ED-SF modes, while controlling for possible confounding variables.

Results

Factorial analysis confirmed the 16-factors structure for the SMI-ED-SF [S–Bχ2 (1832) = 3324.799; p < .001; RMSEA = 0.045; 90% CI 0.043–0.048; CFI = 0.880; SRMR = 0.066; χ2/df = 1.81; < 3]. Internal consistency was acceptable in all scales, with Cronbach’s Alpha coefficients ranging from 0.635 to 0.873.

Conclusions

The SMI-ED-SF represents a reliable and valid alternative to the long-form SMI-ED for assessment and conceptualization of schema modes in Italian adults with disordered eating habits. Its use is recommended for clinical and research purposes.

Level of evidence

Level V, descriptive study.

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Change history

  • 09 March 2019

    The article <Emphasis Type="Italic">Evaluation of the reliability and validity of the Italian version</Emphasis>.

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Acknowledgements

The author(s) received no financial support for the research, authorship and/or publication of this article.

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Authors and Affiliations

  1. Istituto Auxologico Italiano, IRCCS, Psychology Research Laboratory, Milan, Italy

    Giada Pietrabissa, Gian Mauro Manzoni & Gianluca Castelnuovo

  2. Department of Psychology, Catholic University of Milan, Milan, Italy

    Giada Pietrabissa, Andrea Tagliagambe, Venessa Bertuzzi, Clarissa Volpi & Gianluca Castelnuovo

  3. Department of Philosophy, Sociology, Education, and Applied Psychology, Section of Applied Psychology, University of Padua, Padua, Italy

    Alessandro Rossi

  4. School of Psychology, Social Work and Social Policy, University of South Australia, GPO Box 8 2471, Adelaide, South Australia, 5001, Australia

    Susan Simpson

  5. Regional Eating Disorders Unit, NHS Lothian, St. John’s Hospital, Livingston, Scotland, UK

    Susan Simpson

  6. Casa di Cura San Rossore, Pisa, Italy

    Giulia Fava & Giovanni Gravina

  7. Faculty of Psychology, eCampus University, Novedrate, Como, Italy

    Gian Mauro Manzoni

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  1. Giada Pietrabissa
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Correspondence to Giada Pietrabissa.

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Pietrabissa, G., Rossi, A., Simpson, S. et al. Evaluation of the reliability and validity of the Italian version of the schema mode inventory for eating disorders: short form for adults with dysfunctional eating behaviors. Eat Weight Disord 25, 553–565 (2020). https://doi.org/10.1007/s40519-019-00644-5

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