Journal of the Korean Dietetic Association (대한영양사협회학술지)

The Korean Dietetic Association (대한영양사협회)
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Benefits of Nutrition Consultation for Preventing Diabetes According to HbA1c Levels in Overweight and Obese Women

과체중과 비만 여성의 HbA1c 지표에 따른 당뇨병 예방을 위한 영양상담의 효과

  • Kwon, Yong-Jin (Dept. of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University) ;
  • Sunoo, Sub (College of Physical Education, Kyung Hee University) ;
  • Moon, Hwang-Woon (College of Physical Education, Kyung Hee University) ;
  • Park, Yoo Kyoung (Dept. of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University)
  • 권용진 (경희대학교 동서의학대학원 의학영양학과) ;
  • 선우섭 (경희대학교 체육대학) ;
  • 문황운 (경희대학교 체육대학) ;
  • 박유경 (경희대학교 동서의학대학원 의학영양학과)
  • Received : 2012.12.18
  • Accepted : 2013.03.22
  • Published : 2013.05.02
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Abstract

HbA1c was recently adopted as a reliable indicator for screening diabetes. This study investigated the ability of nutrition consultation to prevent diabetes in overweight women (BMI 23 $kg/m^2$ or more) using HbA1c as an indicator. Twenty overweight and obese women (with $HbA1c{\geq}5.7$%) completed the 12-week nutritional study, with individual and personalized nutrition counseling performed every 2 weeks. The main study guidelines involved the following: 1) reducing the intake of high fat foods and alcohol, 2) consuming a large amount of vegetables, 3) reducing the intake of simple sugars and empty-calorie foods, and 4) increasing physical activity to ${\geq}30$ min/day. Anthropometric (height, weight, BMI, body muscle (kg), body fat (%), waist and hip circumference, blood pressure) and biochemical parameters (fasting blood sugar (FBS), HbA1c, lipid profiles, hs-CRP) were measured before and after the nutrition consultation. After 12 weeks, the HbA1c<5.7% group had significant decreases in BMI, WC, HC, WHR, HbA1c, hs-CRP and also dietary intake of energy (P<0.01), carbohydrates, lipids (P<0.01), proteins (P<0.01) and cholesterol was significantly decreased (P<0.05). In the HbA1c ${\geq}5.7$% group, HbA1c, TC, LDL, NON-HDL, hs-CRP and dietary intake of energy, carbohydrate, lipid, protein, and cholesterol significantly decreased (P<0.05). These results suggest that nutrition consultation effectively helps to prevent diabetes in overweight and obese women after applying HbA1c standards. Overall, the improvement in all markers measured suggest that HbA1c is a good indicator for blood glucose regulation, helping to prevent diabetes.

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References

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