title: Physical activity level and body composition among adults with type 1 diabetes.
abstract: OBJECTIVE
  Physical activity is part of a healthy lifestyle and contributes to prevent weight gain and cardiometabolic disorders. Adults with Type 1 diabetes are at risk of weight gain attributable to various factors, including a high prevalence of sedentary lifestyle related to fear of exercise-induced hypoglycaemia. This project aims to observe the association between physical activity level and body composition in adults with Type 1 diabetes.
  
  
  METHODS
  Cross-sectional study; 75 adults with and 75 adults without diabetes (52% men; 41.8 ± 11.8 years old) wore a motion sensor for 1 week and performed a cardiorespiratory fitness test on an ergocycle (VO(2peak)). Body composition was assessed by dual energy X-ray absorptiometry and circumferences measures.
  
  
  RESULTS
  Mean body composition was not different between the two groups. VO(2peak) was lower among the group with diabetes than the control subjects (29.3 ± 9.2 vs. 33.5 ± 9.0 ml kg(-1) min(-1); P = 0.005), but their physical activity level (ratio total/resting energy expenditure) was similar (1.68 ± 0.37 vs. 1.65 ± 0.26; P = 0.572). In both groups, having an active lifestyle (physical activity level ≥ 1.7) compared with a more sedentary lifestyle (physical activity level < 1.7) was associated with lower BMI and percentage of total and truncal fat mass (P ≤ 0.030 to P ≤ 0.001). Among adults with diabetes, physical activity level was not associated with diabetes treatment (insulin doses) and control (HbA(1c) and hypoglycaemia) or cardiovascular risk factors (blood pressure and lipid profile).
  
  
  CONCLUSIONS
  As in the population without diabetes, an active lifestyle is associated with a better body composition profile in adults with Type 1 diabetes.
authors: Montreal Institute for Clinical Research, Montreal, QC, Canada.
authors: A S
authors: AS
authors: Brazeau
authors: C
authors: C
authors: Leroux
authors: H
authors: H
authors: Mircescu
authors: R
authors: R
authors: Rabasa-Lhoret
mesh_terms: D015502:Absorptiometry, Photon; D000328:Adult; D001007:Anxiety / Q000453:epidemiology / Q000503:physiopathology*; D001823:Body Composition; D015992:Body Mass Index; D002318:Cardiovascular Diseases / Q000453:epidemiology / Q000503:physiopathology* / Q000517:prevention & control; D003430:Cross-Sectional Studies; D003922:Diabetes Mellitus, Type 1 / Q000097:blood / Q000150:complications / Q000453:epidemiology / Q000503:physiopathology*; D015444:Exercise; D005260:Female; D006442:Glycated Hemoglobin / Q000378:metabolism*; D015438:Health Behavior; D006801:Humans; D007003:Hypoglycemia / Q000097:blood / Q000453:epidemiology / Q000503:physiopathology* / Q000517:prevention & control; D008297:Male; D010101:Oxygen Consumption; D010809:Physical Fitness; D057185:Sedentary Behavior; D006113:United Kingdom / Q000453:epidemiology
chemical_list: D006442:Glycated Hemoglobin; C517652:hemoglobin A1c protein, human