Lowering dietary glycaemic index through nutrition education among Malaysian women with a history of gestational diabetes mellitus
Introduction: Gestational diabetes mellitus (GDM) increases risks for type 2 diabetes and cardiovascular diseases. Low glycaemic index (GI) diets improve cardio-metabolic outcomes in insulin-resistant individuals. We examined the feasibility of lowering GI through GI-based-education among Asian po...
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Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Nutrition Society of Malaysia
2013
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Online Access: | http://psasir.upm.edu.my/id/eprint/29772/1/Lowering%20dietary%20glycaemic%20index%20through%20nutrition%20education%20among%20Malaysian%20women%20with%20a%20history%20of%20gestational%20diabetes%20mellitus.pdf http://psasir.upm.edu.my/id/eprint/29772/ |
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Summary: | Introduction:
Gestational diabetes mellitus (GDM) increases risks for type 2 diabetes and cardiovascular diseases. Low glycaemic index (GI) diets improve cardio-metabolic outcomes in insulin-resistant individuals. We examined the feasibility of lowering GI through GI-based-education among Asian post-GDM women.
Methods:
A 3-month investigation was carried out on 60 Malaysian women with a mean age of 31.0±4.5 years and a history of GDM. Subjects were randomised into two groups: LGIE and CHDR. The CHDR group received conventional healthy dietary recommendations only. The LGIE group received GI based-education in addition to conventional healthy dietary recommendations. At baseline and after 3-months, dietary intake of energy and macronutrient intakes including GI diet and glycaemic load was assessed using 3-day food records. Diabetes-Diet and GI-concept scores and physical activity levels were assessed using a questionnaire. Adherence to dietary instructions was measured at the end of 3 months.
Results:
At the end of 3 months, the LGIE group had significant reductions in energy intake (241.7±522.4Kcal, P=0.037, ES=0.463), total carbohydrate (48.7±83.5g, P=0.010, ES=0.583), GI (3.9±7.1, P=0.017, ES=0.549) and GL (39.0±55.3, P=0.003, ES=0.705) and significant increases in protein (3.7±5.4g, 0.003, ES=0.685) and diet fibre (4.6±7.3g, P=0.06). The CHDR group had a significant reduction in fat only (5.7±9.4g, P=0.006, ES=0.606). There was a 30% increase in GI-concept scores in the LGIE group (p< 0.001). Changes in GI-concept scores correlated significantly to the reduction in dietary GI (r = -0.642, P=0.045). Dietary adherence was comparable in both groups.
Conclusion:
GI-education improves GI-concept knowledge and helps lower dietary glycaemic index among women with a history of GDM. |
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