Physical fitness, dietary intake, and metabolic control in adolescents with type 1 diabetes

Sara Fleet Michaliszyn, Gabriel Shaibi, Lauretta Quinn, Cynthia Fritschi, Melissa Spezia Faulkner

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Purpose: We examined whether physical fitness and dietary intake predicted better glycemic control and lipid profile in adolescents with type 1 diabetes mellitus (T1DM). Methods: The sample consisted of 109 adolescents with T1DM [age, 15.3 ± 1.9 yr; diabetes duration, 6.2 ± 3.7 yr; body mass index (BMI), 23.3 ± 4.0 kg/m2; and hemoglobin A1c (HbA1c), 8.7 ± 1.6%]. Stepwise regression analyses were performed with the following independent variables: age, sex, duration of diabetes, BMI, Tanner stage, physical fitness, and average carbohydrate and total and saturated fat intake, and the following dependent variables: total cholesterol, low-density lipoprotein cholesterol (LDL-c), high-density lipoprotein cholesterol (HDL-c), triglycerides, and HbA1c. Physical fitness was measured by peak oxygen consumption (VO2peak) during progressive cycle ergometry, and 3-day food intake was analyzed using N utritionist Pro™ software. Results: Sex and VO2peak explained 19% of the variance for HbA1c. Age, VO2peak, and saturated fat intake predicted 23% of the variance for total cholesterol, although only diabetes duration and saturated fat intake predicted LDL-c (11%). Duration of diabetes explained 5% of the variance in triglyceride levels, and there were no significant independent predictors for HDL-c. Conclusions: Greater fitness levels predicted both better glycemic control and total cholesterol in adolescents with T1DM, whereas lower saturated fat affected total cholesterol but not glycemic control. These findings support the importance of physical fitness and diets of lower saturated fat for overall metabolic health in adolescents with T1DM.

Original languageEnglish (US)
Pages (from-to)389-394
Number of pages6
JournalPediatric Diabetes
Volume10
Issue number6
DOIs
StatePublished - 2009

Fingerprint

Physical Fitness
Type 1 Diabetes Mellitus
Fats
Cholesterol
Hemoglobins
LDL Cholesterol
HDL Cholesterol
Triglycerides
Body Mass Index
Ergometry
Oxygen Consumption
Software
Eating
Regression Analysis
Carbohydrates
Diet
Lipids

Keywords

  • Blood lipids
  • Diabetes
  • Exercise
  • Nutrition
  • Youth

ASJC Scopus subject areas

  • Internal Medicine
  • Pediatrics, Perinatology, and Child Health
  • Endocrinology, Diabetes and Metabolism

Cite this

Physical fitness, dietary intake, and metabolic control in adolescents with type 1 diabetes. / Michaliszyn, Sara Fleet; Shaibi, Gabriel; Quinn, Lauretta; Fritschi, Cynthia; Faulkner, Melissa Spezia.

In: Pediatric Diabetes, Vol. 10, No. 6, 2009, p. 389-394.

Research output: Contribution to journalArticle

Michaliszyn, Sara Fleet ; Shaibi, Gabriel ; Quinn, Lauretta ; Fritschi, Cynthia ; Faulkner, Melissa Spezia. / Physical fitness, dietary intake, and metabolic control in adolescents with type 1 diabetes. In: Pediatric Diabetes. 2009 ; Vol. 10, No. 6. pp. 389-394.
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