Psychometric Validation of the BODY-Q in Danish Patients Undergoing Weight Loss and Body Contouring Surgery

Lotte Poulsen, MD; Anne Klassen, DPhil, PhD; Michael Rose, MD; Kirsten K. Roessler, DPhil, PhD; Claus Bogh Juhl, MD, PhD; René Klinkby Støving, MD, PhD; Stefan Cano, MSc, PhD; Jens Ahm Sørensen, MD, PhD

doi:10.1097/GOX.0000000000001529

Plastic and Reconstructive Surgery, Global Open (Oct 2017)

Psychometric Validation of the BODY-Q in Danish Patients Undergoing Weight Loss and Body Contouring Surgery

Lotte Poulsen, MD,
Anne Klassen, DPhil, PhD,
Michael Rose, MD,
Kirsten K. Roessler, DPhil, PhD,
Claus Bogh Juhl, MD, PhD,
René Klinkby Støving, MD, PhD,
Stefan Cano, MSc, PhD,
Jens Ahm Sørensen, MD, PhD

Affiliations

Lotte Poulsen, MD: From the *Department of Plastic Surgery, Odense University Hospital, Odense, Denmark; †Department of Plastic Surgery, OPEN, Odense Patient data Explorative Network, Odense University Hospital, Odense, Denmark; ‡Department of Paediatrics, McMaster University, Hamilton, Canada; §Department of Plastic Surgery, Hospital of Southwest Jutland, Esbjerg, Denmark; ¶Department of Psychology, University of Southern Denmark, Odense, Denmark; ‖Department of Endocrinology, Hospital of Southwest Jutland, Esbjerg, Denmark; **Center for Eating Disorders and Department of Endocrinology, Odense University Hospital; ††The Psychiatric Services in Southern Denmark, University of Southern Denmark, Denmark; and ‡‡Stefan Cano, Modus Outcomes, Letchworth Garden City, United Kingdom.
Anne Klassen, DPhil, PhD: From the *Department of Plastic Surgery, Odense University Hospital, Odense, Denmark; †Department of Plastic Surgery, OPEN, Odense Patient data Explorative Network, Odense University Hospital, Odense, Denmark; ‡Department of Paediatrics, McMaster University, Hamilton, Canada; §Department of Plastic Surgery, Hospital of Southwest Jutland, Esbjerg, Denmark; ¶Department of Psychology, University of Southern Denmark, Odense, Denmark; ‖Department of Endocrinology, Hospital of Southwest Jutland, Esbjerg, Denmark; **Center for Eating Disorders and Department of Endocrinology, Odense University Hospital; ††The Psychiatric Services in Southern Denmark, University of Southern Denmark, Denmark; and ‡‡Stefan Cano, Modus Outcomes, Letchworth Garden City, United Kingdom.
Michael Rose, MD: From the *Department of Plastic Surgery, Odense University Hospital, Odense, Denmark; †Department of Plastic Surgery, OPEN, Odense Patient data Explorative Network, Odense University Hospital, Odense, Denmark; ‡Department of Paediatrics, McMaster University, Hamilton, Canada; §Department of Plastic Surgery, Hospital of Southwest Jutland, Esbjerg, Denmark; ¶Department of Psychology, University of Southern Denmark, Odense, Denmark; ‖Department of Endocrinology, Hospital of Southwest Jutland, Esbjerg, Denmark; **Center for Eating Disorders and Department of Endocrinology, Odense University Hospital; ††The Psychiatric Services in Southern Denmark, University of Southern Denmark, Denmark; and ‡‡Stefan Cano, Modus Outcomes, Letchworth Garden City, United Kingdom.
Kirsten K. Roessler, DPhil, PhD: From the *Department of Plastic Surgery, Odense University Hospital, Odense, Denmark; †Department of Plastic Surgery, OPEN, Odense Patient data Explorative Network, Odense University Hospital, Odense, Denmark; ‡Department of Paediatrics, McMaster University, Hamilton, Canada; §Department of Plastic Surgery, Hospital of Southwest Jutland, Esbjerg, Denmark; ¶Department of Psychology, University of Southern Denmark, Odense, Denmark; ‖Department of Endocrinology, Hospital of Southwest Jutland, Esbjerg, Denmark; **Center for Eating Disorders and Department of Endocrinology, Odense University Hospital; ††The Psychiatric Services in Southern Denmark, University of Southern Denmark, Denmark; and ‡‡Stefan Cano, Modus Outcomes, Letchworth Garden City, United Kingdom.
Claus Bogh Juhl, MD, PhD: From the *Department of Plastic Surgery, Odense University Hospital, Odense, Denmark; †Department of Plastic Surgery, OPEN, Odense Patient data Explorative Network, Odense University Hospital, Odense, Denmark; ‡Department of Paediatrics, McMaster University, Hamilton, Canada; §Department of Plastic Surgery, Hospital of Southwest Jutland, Esbjerg, Denmark; ¶Department of Psychology, University of Southern Denmark, Odense, Denmark; ‖Department of Endocrinology, Hospital of Southwest Jutland, Esbjerg, Denmark; **Center for Eating Disorders and Department of Endocrinology, Odense University Hospital; ††The Psychiatric Services in Southern Denmark, University of Southern Denmark, Denmark; and ‡‡Stefan Cano, Modus Outcomes, Letchworth Garden City, United Kingdom.
René Klinkby Støving, MD, PhD: From the *Department of Plastic Surgery, Odense University Hospital, Odense, Denmark; †Department of Plastic Surgery, OPEN, Odense Patient data Explorative Network, Odense University Hospital, Odense, Denmark; ‡Department of Paediatrics, McMaster University, Hamilton, Canada; §Department of Plastic Surgery, Hospital of Southwest Jutland, Esbjerg, Denmark; ¶Department of Psychology, University of Southern Denmark, Odense, Denmark; ‖Department of Endocrinology, Hospital of Southwest Jutland, Esbjerg, Denmark; **Center for Eating Disorders and Department of Endocrinology, Odense University Hospital; ††The Psychiatric Services in Southern Denmark, University of Southern Denmark, Denmark; and ‡‡Stefan Cano, Modus Outcomes, Letchworth Garden City, United Kingdom.
Stefan Cano, MSc, PhD: From the *Department of Plastic Surgery, Odense University Hospital, Odense, Denmark; †Department of Plastic Surgery, OPEN, Odense Patient data Explorative Network, Odense University Hospital, Odense, Denmark; ‡Department of Paediatrics, McMaster University, Hamilton, Canada; §Department of Plastic Surgery, Hospital of Southwest Jutland, Esbjerg, Denmark; ¶Department of Psychology, University of Southern Denmark, Odense, Denmark; ‖Department of Endocrinology, Hospital of Southwest Jutland, Esbjerg, Denmark; **Center for Eating Disorders and Department of Endocrinology, Odense University Hospital; ††The Psychiatric Services in Southern Denmark, University of Southern Denmark, Denmark; and ‡‡Stefan Cano, Modus Outcomes, Letchworth Garden City, United Kingdom.
Jens Ahm Sørensen, MD, PhD: From the *Department of Plastic Surgery, Odense University Hospital, Odense, Denmark; †Department of Plastic Surgery, OPEN, Odense Patient data Explorative Network, Odense University Hospital, Odense, Denmark; ‡Department of Paediatrics, McMaster University, Hamilton, Canada; §Department of Plastic Surgery, Hospital of Southwest Jutland, Esbjerg, Denmark; ¶Department of Psychology, University of Southern Denmark, Odense, Denmark; ‖Department of Endocrinology, Hospital of Southwest Jutland, Esbjerg, Denmark; **Center for Eating Disorders and Department of Endocrinology, Odense University Hospital; ††The Psychiatric Services in Southern Denmark, University of Southern Denmark, Denmark; and ‡‡Stefan Cano, Modus Outcomes, Letchworth Garden City, United Kingdom.

DOI: https://doi.org/10.1097/GOX.0000000000001529
Journal volume & issue: Vol. 5, no. 10
p. e1529

Abstract

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Background:. A well-developed patient-reported outcome instrument is needed for use in Danish bariatric and body contouring patients. The BODY-Q is designed to measure changes in important patient outcomes over the entire patient journey, from obesity to post-body contouring surgery. The current study aims to psychometrically validate the BODY-Q for use in Danish patients. Methods:. The process consisted of 3 stages: translation and linguistic validation, field-test, and data analysis. The translation was performed in accordance with the International Society for Pharmacoeconomics and Outcomes Research and World Health Organization guidelines, and field-test data were collected in 4 departments in 2 different hospitals. Field-test data were analyzed using Rasch Measurement Theory. Results:. A total of 495 patients completed the Danish BODY-Q field-test 1–4 times, leading to a total of 681 assessments with an overall response rate at 76%. Cronbach α values were ≥ 0.90, and person separation index values were in general high. The Rasch Measurement Theory analysis provided broad support for the reliability and validity of the Danish version of the BODY-Q scales. Item fit was outside the criteria for 34 of 138 items, and of these, 21 had a significant chi-square P value after Bonferroni adjustment. Most items (128 of 138) had ordered thresholds, indicating that response options worked as intended. Conclusion:. The Danish version of the BODY-Q is a reliable and valid patient-reported outcome instrument for use in Danish bariatric and body contouring patients.

Published in Plastic and Reconstructive Surgery, Global Open

ISSN: 2169-7574 (Online)
Publisher: Wolters Kluwer
Country of publisher: United States
LCC subjects: Medicine: Surgery
Website: http://www.prsgo.com

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