Abstract
Background: Assessing patient’s cognitions and emotions about their physical body is an important part of rehabilitation planning, as musculoskeletal disorders can lead to a change in bodily perceptions. Methods: This study explores the validity and reliability of the Body Satisfaction and Global Self-Perception Questionnaire (QSCPGS)] in the Spanish population. In addition to calculating Cronbach’s alpha, we conducted Exploratory Factor Analysis and Confirmatory Factor Analyses to test the scale’s validity. We then conducted a test–retest and longitudinal measurement invariance test to explore our measure’s reliability. Results: Our final sample consisted of 147 subjects with non-specific musculoskeletal disorders (M = 32 years, SD = 15.06), who provided two data points in a 30-day period. A reduced, four-factor model fit the data better [(χ2 = 92.51*; df = 71; df = χ2/df = 1.30; RMSEA= .04; CFI = .95; TLI = .94; SRMR = .05; WRMR = .84)] than any other model. The re-test validity analyses revealed that the four-factor model was stable over time. Finally, the reduced scale correlated with the SF-36 Quality of Life inventory and participants’ BMI. Conclusions: The QSCPGSe (Spanish version QSCPGS) is a reliable and effective tool for measuring body image perceptions that are more accurate than the original scale. Keywords: Body Satisfaction, Questionnaire, Global Self Perception, Musculoskeletal.
Highlights
Assessing patient’s cognitions and emotions about their physical body is an important part of rehabilitation planning, as musculoskeletal disorders can lead to a change in bodily perceptions
We considered the following dimensions of the questionnaire that are more related to the QSCPGS items: General Health, Role-Physical, Role-Emotional and Physical Function
We excluded items loading in factor 6, due to poor fit with the two original scale’s factors
Summary
Assessing patient’s cognitions and emotions about their physical body is an important part of rehabilitation planning, as musculoskeletal disorders can lead to a change in bodily perceptions. Conclusions: The QSCPGSe (Spanish version QSCPGS) is a reliable and effective tool for measuring body image perceptions that are more accurate than the original scale. Musculoskeletal disorders, such as chronic back pain [1] or musculoskeletal degenerative disorders [2,3] as well as pain and postural alterations can affect how people perceive and feel about their body image (body perceptions and sensations, respectively) [4,5,6,7,8]. Given its value as an inter-disciplinary instrument, the translation of the QSCPGS into other languages and its validation populations are both urgent and important endeavours
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