Factors Affecting Bone Mineral Density by Dietary Pattern Group for Some Korean College Women

일부 우리나라 여대생의 식사 패턴군에 따른 골밀도에 영향을 미치는 요인 분석

  • Song, Yoon-Ju (Department of Food Service Management & Nutrition, Sang Myung University) ;
  • Paik, Hee-Young (Department of Food & Nutrition, Seoul National University) ;
  • Yu, Choon-Hie (Department of Food Service Management & Nutrition, Sang Myung University)
  • 송윤주 (상명대학교 외식영양학과) ;
  • 백희영 (서울대학교 식품영양학과) ;
  • 유춘희 (상명대학교 외식영양학과)
  • Published : 2006.07.31

Abstract

To investigate the effects of dietary patterns on bone mineral density and its biochemical markers among Korean healthy college women for 2 years, 34 female college students were recruited through convenience sampling. Bone mineral density was measured using Dual Energy X-ray Absorptiometry (DEXA) twice at baseline and two years later. Osteocalcin and parathyroid hormone were measured in fasting serum and N-teleopeptides of type collagen (NTx) in urine. Dietary intake was assessed by 24-hour recall method 8 times with average 4-month interval. Dietary patterns with percent energy of each food group using cluster analysis were classified into two groups. The first cluster (n = 16) was characterized with high consumption of bread, snack, fast foods, beverage and considerable of rice so it was determined as 'Modified dietary pattern group'. The second cluster was characterized with high consumption of rice and kimchi so determined as 'Traditional dietary pattern group'. There were no significant difference of age, menarcheal age, body mass index but percent of body fat by pattern groups. The traditional group showed higher value of bone mineral density among lumber spine and all femur sites at baseline and 2 years later but it was not significant after adjusted for percent of body fat. Serum osteocalcin and urine NTx was higher among the traditional group at baseline than the modified group. There were similar proportions of carbohydrate:fat:protein between groups but significantly higher intake of protein, iron, vitamin A among the traditional group. In conclusion, there were two distinctive dietary patterns among Korean college women. There was difference of bone mineral density and its biochemical markers between two patterns. Further research would be necessary to explore the relationship between dietary patterns and health risks for larger-sized and various populations.

Keywords

References

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