Male body dissatisfaction scale (MBDS): proposal for a reduced model

  • Wanderson Roberto da Silva
  • João Marôco
  • Christopher N. Ochner
  • Juliana Alvares Duarte Bonini Campos
Original Article

Abstract

Aims

To evaluate the psychometric properties of the male body dissatisfaction scale (MBDS) in Brazilian and Portuguese university students; to present a reduced model of the scale; to compare two methods of computing global scores for participants’ body dissatisfaction; and to estimate the prevalence of participants’ body dissatisfaction.

Methods

A total of 932 male students participated in this study. A confirmatory factor analysis (CFA) was used to assess the scale’s psychometric properties. Multi-group analysis was used to test transnational invariance and invariance in independent samples. The body dissatisfaction score was calculated using two methods (mean and matrix of weights in the CFA), which were compared. Finally, individuals were classified according to level of body dissatisfaction, using the best method.

Results

The MBDS model did not show adequate fit for the sample and was, therefore, refined. Thirteen items were excluded and two factors were combined. A reduced model of 12 items and 2 factors was proposed and shown to have adequate psychometric properties. There was a significant difference (p < 0.001) between the methods for calculating the score for body dissatisfaction, since the mean overestimated the scores. Among student participants, the prevalence of body dissatisfaction with musculature and general appearance was 11.2 and 5.3%, respectively.

Conclusions

The reduced bi-factorial model of the MBDS showed adequate validity, reliability, and transnational invariance and invariance in independent samples for Brazilian and Portuguese students. The new proposal for calculating the global score was able to more accurately show their body dissatisfaction.

No level of evidence Basic Science

Keywords

Body dissatisfaction Males Musculature Validity 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Wanderson Roberto da Silva
    • 1
  • João Marôco
    • 2
  • Christopher N. Ochner
    • 3
  • Juliana Alvares Duarte Bonini Campos
    • 4
  1. 1.Department of Food and NutritionSchool of Pharmaceutical Sciences, São Paulo State University (UNESP)São PauloBrazil
  2. 2.William James Center for Research (WJCR)Institute of Psychological, Social and Life Sciences (ISPA)LisbonPortugal
  3. 3.Hospital Corporation of America, Physician Services GroupFort LauderdaleUSA
  4. 4.Department of Food and NutritionSchool of Pharmaceutical Sciences (UNESP), São Paulo State University (UNESP)AraraquaraBrazil

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