title: The Association of Body Fat and Leisure Time Physical Activity Called into Question for Asian Indians.
abstract: OBJECTIVE
  Thrifty genotypes may predispose to type 2 diabetes and body fat (%BF) excess through a differentiated relationship between physical activity and body fat. We explored this hypothesis in Asian Indians, a population thought to be thrifty.
  
  
  METHODS
  Three hundred and nine Guadeloupian adolescents responded to the modifiable activity questionnaire. Their body fat was assessed by bioimpedancemetry. We first studied the relationship between %BF and leisure time physical activity (LTPA). We then explored the associations of ethnicity with this relationship in a subgroup of 93 Asian Indians matched with 93 controls for age, sex, and LTPA class. The alpha risk retained was .05.
  
  
  RESULTS
  The analyses showed that Asian Indians had higher %BF even when matched with controls for age, sex and LTPA quartile, and the relationship between LTPA and %BF observed in controls was not evidenced in Asian Indians.
  
  
  CONCLUSIONS
  The higher %BF in Asian Indians remained significant even when they were matched with controls for age, sex and LTPA quartile, and their LTPA was not associated ‒ or was at least less robustly associated ‒ with %BF. These findings are consistent with the hypothesis of thriftiness in Asian Indians, with the weaker relationship of high LTPA and low %BF a possible path to thriftiness.
authors: Laboratoire ACTES, UFR STAPS, Université des Antilles, Campus de Fouillole, BP250, 97157 Pointe à Pitre Cedex, Guadeloupe, France.
authors: Stéphane
authors: S
authors: Sinnapah
authors: Laboratoire ACTES, UFR STAPS, Université des Antilles, Campus de Fouillole, BP250, 97157 Pointe à Pitre Cedex, Guadeloupe, France.
authors: Sophie
authors: S
authors: Antoine-Jonville
authors: Laboratoire ACTES, UFR STAPS, Université des Antilles, Campus de Fouillole, BP250, 97157 Pointe à Pitre Cedex, Guadeloupe, France.
authors: Olivier
authors: O
authors: Hue
mesh_terms: D000273:Adipose Tissue; D000293:Adolescent; D044466:Asian People; D016022:Case-Control Studies; D003924:Diabetes Mellitus, Type 2 / Q000208:ethnology*; D015444:Exercise; D005260:Female; D019430:Guadeloupe; D006801:Humans; D007899:Leisure Activities; D008297:Male; D009043:Motor Activity; D011795:Surveys and Questionnaires
keywords: Adiposity; Adolescents; Asian Indians; Leisure-Time Physical Activity; Thrifty Genotype