title: Dietary behaviors predict glycemic control in youth with type 1 diabetes.
abstract: OBJECTIVE
  To investigate the association between dietary adherence and glycemic control among youth with type 1 diabetes.
  
  
  METHODS
  We conducted a cross-sectional analysis of 119 youth aged 9-14 years (mean +/- SD 12.1 +/- 1.6 years) with diabetes duration > or =1 year (5.4 +/- 3.1 years). Dietary adherence was assessed using the Diabetes Self-Management Profile diet domain. Higher score defined greater dietary adherence. Glycemic control was determined by A1C.
  
  
  RESULTS
  Dietary adherence score was inversely correlated with A1C (r = -0.36, P < 0.0001). In a multivariate model (R(2) = 0.34, P < 0.0001), dietary adherence (P = 0.004), pump use (P = 0.03), and caregiver education (P = 0.01) were associated with A1C. A1C of youth in the lowest (9.0%) tertile of diet score was higher than A1C of youth in the middle (8.1%, P = 0.004) and upper (8.4%, P = 0.06) tertiles. Dietary adherence uniquely explained 8% of the variance in A1C in the model.
  
  
  CONCLUSIONS
  Greater dietary adherence was associated with lower A1C among youth with type 1 diabetes.
authors.affiliation: Joslin Diabetes Center, Boston, Massachusetts, USA.
authors.forename: Sanjeev N
authors.initials: SN
authors.lastname: Mehta
authors.forename: Lisa K
authors.initials: LK
authors.lastname: Volkening
authors.forename: Barbara J
authors.initials: BJ
authors.lastname: Anderson
authors.forename: Tonja
authors.initials: T
authors.lastname: Nansel
authors.forename: Jill
authors.initials: J
authors.lastname: Weissberg-Benchell
authors.forename: Tim
authors.initials: T
authors.lastname: Wysocki
authors.forename: Lori M B
authors.initials: LM
authors.lastname: Laffel
mesh_terms: D000293:Adolescent; D001786:Blood Glucose / Q000378:metabolism*; D002648:Child; D003430:Cross-Sectional Studies; D003922:Diabetes Mellitus, Type 1 / Q000097:blood* / Q000523:psychology; D005006:Ethnicity; D005247:Feeding Behavior; D005260:Female; D006442:Glycated Hemoglobin / Q000378:metabolism; D006801:Humans; D007004:Hypoglycemic Agents / Q000008:administration & dosage / Q000627:therapeutic use; D007328:Insulin / Q000008:administration & dosage / Q000627:therapeutic use; D007332:Insulin Infusion Systems; D008297:Male; D015999:Multivariate Analysis; D010865:Pilot Projects; D011237:Predictive Value of Tests; D044469:Racial Groups; D012648:Self Care; D014481:United States
chemical_list: D001786:Blood Glucose; D006442:Glycated Hemoglobin; D007004:Hypoglycemic Agents; D007328:Insulin