Korean J Nutr.  2006 Jul;39(5):460-466.

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

Affiliations
  • 1Department of Food Service Management and Nutrition, Sang Myung University, Seoul 110-743, Korea. ych@smu.ac.kr
  • 2Department of Food and Nutrition, Seoul National University, Seoul 151-742, Korea.

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.

Keyword

dietary pattern; bone mineral density; osteocalcin; N-teleopeptides of type I collagen (NTx); college women

MeSH Terms

Absorptiometry, Photon
Adipose Tissue
Beverages
Biomarkers
Body Mass Index
Bone Density*
Bread
Collagen
Fast Foods
Fasting
Female
Femur
Humans
Iron
Osteocalcin
Parathyroid Hormone
Snacks
Spine
Vitamin A
Collagen
Iron
Osteocalcin
Parathyroid Hormone
Vitamin A
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