title: Body composition and eating behaviours in relation to dieting involvement in a sample of urban Greek adolescents from the TEENAGE (TEENs of Attica: Genes & Environment) study.
abstract: OBJECTIVE
  To document the prevalence of dieting and to compare body composition markers, dietary intakes and eating behaviours across dieting categories.
  
  
  METHODS
  Prospective, cross-sectional study.
  
  
  METHODS
  Twenty-four randomly selected secondary public schools located in Attica, Greece.
  
  
  METHODS
  Anthropometric, medical and dietary information was obtained from 857 (54·9 % females) adolescents (mean age 13·4 (sd 0·9) years). Meal patterns, eating behaviours and eating style score, reflecting conditions around eating, were assessed. Adolescents were asked about their dieting involvement and were categorised as 'never dieters', 'current dieters' or 'past dieters'.
  
  
  RESULTS
  Overall, 20·1 % of the adolescents were currently dieting and 15·2 % reported past dieting. Mean BMI and body fat percentage of never dieters were significantly lower than those of both groups of dieters (P < 0·001). Breakfast skipping (χ 2 = 10·92, P = 0·004) and eating large quantities of food (χ 2 = 7·18, P = 0·028) differed significantly across dieting groups in females. Significant differences in dinner skipping were observed in both males (χ 2 = 10·55, P = 0·005) and females (χ 2 = 20·91, P < 0·001). Female past dieters had significantly higher eating style scores than never dieters (P = 0·010) and current dieters (P = 0·042), indicating less well-structured feeding practices and food intake for reasons other than hunger.
  
  
  CONCLUSIONS
  The present study showed a high prevalence of dieting among adolescents. Current dieters and past dieters had higher BMI and body fat percentage than never dieters. Eating behaviours differed significantly depending on dieting involvement, especially in females; while an apparently healthier, ordered eating style adopted by dieters during the dieting period seemed not to be maintained in the long term.
authors: 1 Department of Nutrition and Dietetics, Harokopio University, 70 El. Venizelou Avenue, 17671 Athens, Greece.
authors: Ioanna
authors: I
authors: Ntalla
authors: 2 Department of Internal Medicine - Nursing, Faculty of Nursing, University of Athens, Athens, Greece.
authors: Margarita
authors: M
authors: Giannakopoulou
authors: 1 Department of Nutrition and Dietetics, Harokopio University, 70 El. Venizelou Avenue, 17671 Athens, Greece.
authors: Panagiota
authors: P
authors: Vlachou
authors: 1 Department of Nutrition and Dietetics, Harokopio University, 70 El. Venizelou Avenue, 17671 Athens, Greece.
authors: Kalliope
authors: K
authors: Giannitsopoulou
authors: 1 Department of Nutrition and Dietetics, Harokopio University, 70 El. Venizelou Avenue, 17671 Athens, Greece.
authors: Vasiliki
authors: V
authors: Gkesou
authors: 1 Department of Nutrition and Dietetics, Harokopio University, 70 El. Venizelou Avenue, 17671 Athens, Greece.
authors: Chrysoula
authors: C
authors: Makridi
authors: 1 Department of Nutrition and Dietetics, Harokopio University, 70 El. Venizelou Avenue, 17671 Athens, Greece.
authors: Maria
authors: M
authors: Marougka
authors: 1 Department of Nutrition and Dietetics, Harokopio University, 70 El. Venizelou Avenue, 17671 Athens, Greece.
authors: Georgia
authors: G
authors: Mikou
authors: 1 Department of Nutrition and Dietetics, Harokopio University, 70 El. Venizelou Avenue, 17671 Athens, Greece.
authors: Kyriaki
authors: K
authors: Ntaoutidou
authors: 1 Department of Nutrition and Dietetics, Harokopio University, 70 El. Venizelou Avenue, 17671 Athens, Greece.
authors: Eirini
authors: E
authors: Prountzou
authors: 1 Department of Nutrition and Dietetics, Harokopio University, 70 El. Venizelou Avenue, 17671 Athens, Greece.
authors: Alexandra
authors: A
authors: Tsekoura
authors: 1 Department of Nutrition and Dietetics, Harokopio University, 70 El. Venizelou Avenue, 17671 Athens, Greece.
authors: George V
authors: GV
authors: Dedoussis
mesh_terms: D000293:Adolescent; D000886:Anthropometry; D001823:Body Composition; D015992:Body Mass Index; D003430:Cross-Sectional Studies; D004032:Diet / Q000523:psychology / Q000706:statistics & numerical data; D015930:Diet Records; D004038:Diet, Reducing / Q000523:psychology* / Q000706:statistics & numerical data*; D002149:Energy Intake / Q000502:physiology*; D015444:Exercise / Q000523:psychology; D001068:Feeding and Eating Disorders / Q000453:epidemiology; D005260:Female; D006115:Greece / Q000453:epidemiology; D006801:Humans; D008019:Life Style; D008297:Male; D015596:Nutrition Assessment; D015995:Prevalence; D011446:Prospective Studies; D012307:Risk Factors; D012959:Socioeconomic Factors; D011795:Surveys and Questionnaires; D014505:Urban Population
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