Construct validity of a figure rating scale for Brazilian adolescents

Nutrition Journal

Fernando R de Oliveira⁵  Carlos Bandeira de Mello Monteiro²  Marcelo Marcos Piva Demarzo²  Vitor E Valenti¹  Luiz Carlos de Abreu²  Fernando de Souza Almeida²  Deivis Elton Schlickmann Frainer⁴  Fernando Adami³ 

[1] Departamento de Fonoaudiologia, Faculdade de Filosofia e Ciências, Universidade Estadual Paulista, UNESP, Av. Higyno Muzzi Filho, 737. 17, 525900 Marília, SP, Brazil;Laboratório de Escrita Científica, Departamento de Morfologia e Fisiologia, Faculdade de Medicina do ABC, Av. Príncipe de Gales, 821, 09060650, Santo André, SP, Brazil;Departamento de Saúde da Coletividade, Faculdade de Medicina do ABC, Av. Príncipe de Gales, 821, 09060650, Santo André, SP, Brazil;Instituto de Saúde Coletiva, Universidade Federal da Bahia, Salvador-Bahia, Brazil;Universidade Federal de Lavras, Câmpus Universitário, 37200-000 Lavras, MG, Brazil

关键词: Body image;    Validity;    Adolescents;    Body contour;   

Others  :  825718
DOI  :  10.1186/1475-2891-11-24

 received in 2012-01-30, accepted in 2012-04-13,  发布年份 2012

【 摘 要 】

Background

Figure rating scales were developed as a tool to determine body dissatisfaction in women, men, and children. However, it lacks in the literature the validation of the scale for body silhouettes previously adapted. We aimed to obtain evidence for construct validity of a figure rating scale for Brazilian adolescents.

Methods

The study was carried out with adolescent students attending three public schools in an urban region of the municipality of Florianopolis in the State of Santa Catarina (SC). The sample comprised 232 10-19-year-old students, 106 of whom are boys and 126 girls, from the 5th "series" (i.e. year) of Primary School to the 3rd year of Secondary School. Data-gathering involved the application of an instrument containing 8 body figure drawings representing a range of children's and adolescents' body shapes, ranging from very slim (contour 1) to obese (contour 8). Weights and heights were also collected, and body mass index (BMI) was calculated later. BMI was analyzed as a continuous variable, using z-scores, and as a dichotomous categorical variable, representing a diagnosis of nutritional status (normal and overweight including obesity).

Results

Results showed that both males and females with larger BMI z-scores chose larger body contours. Girls with higher BMI z-scores also show higher values of body image dissatisfaction.

Conclusion

We provided the first evidence of validity for a figure rating scale for Brazilian adolescents.

【 授权许可】

   
2012 Adami et al; licensee BioMed Central Ltd.

【 图 表 】

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