Skip to main content

Calcium intake and its relationship with adiposity and insulin resistance in post-pubertal adolescents

Buy Article:

$51.00 plus tax (Refund Policy)

Abstract Background 

Dietary calcium intake has been described as being a negative contributor to adiposity. In adolescents, this relationship is not well established. The objectives of the present study were to compare the calcium intake of normal-weight and obese adolescents and to evaluate its relationship with adiposity and insulin resistance. Methods 

A cross-sectional analysis of 96 post-pubertal adolescents; 47 normal weight and 49 obese, mean age 16.6 (SD ± 1.3) years. Body composition was assessed by dual-energy X-ray absorptiometry. Dietary intake was evaluated using a 3-day dietary record. The biochemical evaluation comprised the measurements of serum lipids, lipoproteins, glucose and insulin. Insulin resistance was calculated using the Homeostasis Model Assessment of Insulin resistance (HOMA-IR). Results 

The mean calcium intake, adjusted for energy, was lower in obese adolescents, 585.2 (±249.9) mg, than in normal weight adolescents, 692.1 (±199.5) mg. Only 4% of adolescents had an adequate intake of calcium. Calcium intake was inversely associated with body trunk fat, insulin and HOMA-IR in the obese group. The quartile analysis of calcium intake provided evidence that girls in the highest quartile had decreased adiposity and insulin resistance. Conclusions 

This study showed a negative relationship between calcium intake and body fat and insulin resistance, mainly in obese girls, and demonstrates the importance of an increased dietary calcium intake.
No References
No Citations
No Supplementary Data
No Data/Media
No Metrics

Keywords: adolescents; body fat; calcium; insulin resistance; obesity

Document Type: Research Article

Affiliations: 1: Nutrition Department, School of Public Health, São Paulo University 2: Adolescence Division, Pediatric Department, Federal University of São Paulo, São Paulo, SP, Brazil

Publication date: 2008-04-01

  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more