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Day-to-day consistency in amount and source of carbohydrate intake associated with improved blood glucose control in type 1 diabetes.

Abstract：

OBJECTIVE:To determine if a relationship exists between blood glucose control and variability in nutrient intake from day-to-day in subjects with type 1 diabetes. METHODS:Two three-day diet records and one measurement of glycated hemoglobin (HbA1c) were obtained from 272 subjects with type 1 diabetes treated with a mixture of regular and NPH insulins before breakfast and supper and using a standardized algorithm to adjust insulin dose according to the results of self-monitoring of blood glucose two to four times daily. Day-to-day variation in nutrient intake was expressed as the coefficient of variation (CV = SDx100/mean). RESULTS:Nutrient intakes in the study population (mean +/- SD) were energy 8.35+/-2.43 MJ, fat 81+/-30 g, protein 94+/-28 g, carbohydrate 227+/-68 g, starch 126+/-38 g and dietary fiber 20+/-6 g with diet glycemic index being 84.2+/-7.4. Neither energy, nutrient intakes nor insulin dose was significantly related to HbA1c. Day-to-day variation of carbohydrate (p = 0.0097) and starch (p = 0.0016) intakes and diet glycemic index (p = 0.033) was positively related to HbA1c, and the associations remained significant when adjusted for age, sex, duration of diabetes and BMI. Day-to-day variation in energy, protein or fat intakes was not related to HbA1c. CONCLUSIONS:Consistency in the amount and source of carbohydrate intake from day-to-day is associated with improved blood glucose control in people with type 1 diabetes, a result which supports continued educational efforts to achieve adherence to a diabetes diet plan. This conclusion may not apply to people on intensified insulin therapy who adjust their insulin dose based on their actual carbohydrate intake at each meal.

journal_name

J Am Coll Nutr

journal_title

Journal of the American College of Nutrition

authors

Wolever TM,Hamad S,Chiasson JL,Josse RG,Leiter LA,Rodger NW,Ross SA,Ryan EA

doi

10.1080/07315724.1999.10718858

subject

Has Abstract

pub_date

1999-06-01 00:00:00

pages

242-7

issue

eissn

0731-5724

issn

1541-1087

journal_volume

pub_type

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Day-to-day consistency in amount and source of carbohydrate intake associated with improved blood glucose control in type 1 diabetes.