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  • Development and psychometric validation of the ‘Parent Perspective University of Rhode Island Change Assessment-Short’ (PURICA-S) Questionnaire for the application in parents of children with overweight and obesity

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Development and psychometric validation of the ‘Parent Perspective University of Rhode Island Change Assessment-Short’ (PURICA-S) Questionnaire for the application in parents of children with overweight and obesity
  1. Florian Junne1,
  2. Katrin Ziser1,
  3. Johannes Mander2,
  4. Peter Martus3,
  5. Christian Denzer4,
  6. Thomas Reinehr5,
  7. Martin Wabitsch4,
  8. Susanna Wiegand6,
  9. Tobias Renner7,
  10. Katrin E Giel1,
  11. Martin Teufel1,
  12. Stephan Zipfel1,
  13. Stefan Ehehalt8
  1. 1Department of Psychosomatic Medicine and Psychotherapy, Medical University Hospital Tuebingen, Tuebingen, Germany
  2. 2Centre for Psychological Psychotherapy, University of Heidelberg, Heidelberg, Germany
  3. 3Medical Faculty, Institute of Clinical Epidemiology and Applied Biometry, University of Tuebingen, Tuebingen, Germany
  4. 4Department of Endocrinology and Diabetology, Medical University Hospital Ulm, Ulm, Germany
  5. 5Department of Pediatric Nutrition Medicine, Vestische Hospital for Children and Adolescents Datteln, University of Witten/Herdecke, Witten, Germany
  6. 6Pedatric Obesity Outpatient Department, Medical University Hospital Charité Berlin, Berlin, Germany
  7. 7Department of Child and Adolescence Psychiatry, Medical University Hospital Tuebingen, Tuebingen, Germany
  8. 8Public Health Department of Stuttgart, Department of Pediatrics, Dental Health Care, Health Promotion and Social Services, Stuttgart, Germany
  1. Correspondence to Dr Florian Junne; florian.junne{at}med.uni-tuebingen.de

Abstract

Introduction High prevalence rates of childhood obesity urgently call for improved effectiveness of intervention programmes for affected children and their families. One promising attempt can be seen in tailoring interventions according to the motivational stages of parents as ‘agents of change’ for their children. Evidence from other behavioural contexts (eg, addiction) clearly shows the superiority of motivational-stage dependent tailored (behavioural) interventions. For the time-efficient assessment of motivational stages of change, this study aims to develop and psychometrically validate a ‘Parent Perspective Version’ of the existing University of Rhode Island Change Assessment-Short, an instrument assessing the motivational stages based on the theoretical fundamentals of the Transtheoretical Model of Psychotherapy.

Methods and analysis In a multistep Delphi procedure, involving experts from the study context, the original items of the University of Rhode Island Change Assessment-Short Questionnaire will be transformed from the ‘self-perspective’ (‘I am having a problem’) to the parent perspective (‘my child is having a problem’). Following item adaptation, the new version of the questionnaire will be psychometrically validated in a cohort of N=300 parents with overweight or obese children. Parents will be recruited within a multicentre and multisite approach involving private paediatric practices, specialised outpatient clinics as well as inpatient and rehabilitation sites. Analyses will include confirmatory factor analyses, internal consistencies (reliability) as well as convergent and criterion validity. Convergent validity will be analysed using subscales of the HAKEMP-90 Questionnaire, an instrument which has been shown to differentiate between ‘state’ and ‘action’ orientation of individuals.

Ethics and dissemination This study has been granted ethics committee approval by the University of Tuebingen (number 644/2014BO2). The results of this study will be released to the participating study centres and will be submitted to peer-reviewed journals and presented at international conferences.

Trial registration number VfD_PURICA-S_15_003607.

  • children
  • obesity
  • questionnaire
  • development
  • psychometric validation
  • motivation

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

https://doi.org/10.1136/bmjopen-2016-012711

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    Footnotes

    • Contributors All authors critically and substantially revised the manuscript and have given their final approval of the current version of the study protocol to be submitted for publication. FJ, KZ, JM, PM, KEG, MT, SZ and SE developed the instructions for the Delphi procedure. PM substantially contributed to the analysis plan of the study. CD, TRei, MW, SW and TRen are study managers at their respective study centre and all have made substantial contributions to the acquisition of data. All authors contributed to the study design and implementation methods.

    • Funding This study is supported by the Deutsche Forschungsgemeinschaft (DFG), project number DFG JU 2998/1-1. The funding body has no influence on the design of the study, collection, analysis and interpretation of data and writing the manuscript.

    • Competing interests None declared.

    • Ethics approval University of Tuebingen.

    • Provenance and peer review Not commissioned; externally peer reviewed.

    • Data sharing statement The data set resulting from this study will be available online as a ‘scientific use file’ following completion of primary analyses as described in this study protocol.