The relationship between body mass index and body size dissatisfaction in young adolescents: spline function analysis

Journal of the American Dietetic Association
Samuele CorteseClaudio Maffeis

Abstract

This study assessed how body size dissatisfaction (BSD) varies in relationship to specific body mass index (BMI) values in a sample of preadolescents. A novel statistical approach based on spline function, suitable to assess in detail how two variables are related, was used. The study was conducted between December 2004 and March 2005. Students (aged 11 to 14 years) from seven selected secondary schools in Verona, Italy, were invited to participate. The final study group included 678 subjects. BSD was assessed using the Body Image Assessment Procedure. BMI values were expressed as z scores. It was found that, in the total sample, slightly underweight subjects (BMI z scores=-0.5) had no BSD. BSD progressively increased (current body size > ideal body size) for BMI z scores >-0.5 and became negative (ideal body size > current body size) for BMI z scores <-0.5. In boys, average weight subjects had no BSD. BSD progressively increased for BMI z scores >0 and became negative for BMI z scores <0. In girls, moderately underweight subjects (BMI z scores=-1) had no BSD. BSD progressively increased for BMI z scores >-1 and became negative for BMI z scores <-1. Although sex significantly moderated the relationship between BMI and BSD (P<0....Continue Reading

References

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Citations

Feb 26, 2013·Journal of Adolescence·Estefania AparicioVictoria Arija
Apr 17, 2012·Nutrition Journal·Fernando AdamiFernando R de Oliveira
Jun 20, 2015·Public Health Nutrition·Colette KellySaoirse Nic Gabhainn
Dec 29, 2015·Psychiatry Research·Mohammad HaghighiSerge Brand
May 2, 2015·International Journal of Adolescence and Youth·Jacinthe DionÉvelyne Touchette
Feb 13, 2015·PeerJ·Isaac E KuzmarMercedes Rizo
Aug 23, 2016·Ecology of Food and Nutrition·Nevin ŞanlierOnur Toka
Dec 30, 2011·The American Journal of Clinical Nutrition·Galit Goldzak-KunikMicah Leshem
May 28, 2013·Women & Health·Aubrianne E RoteLori A Klos
Mar 16, 2017·Child and Adolescent Psychiatry and Mental Health·Galit Goldzak-Kunik, Micah Leshem

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