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JKFN Journal of the Korean Society of Food Science and Nutrition



Online ISSN 2288-5978

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Journal of the Korean Society of Food Science and Nutrition 2017; 46(4): 513-522

Published online April 30, 2017

Copyright © The Korean Society of Food Science and Nutrition.

Relationship between Intake of Milk and Milk Products and Bone Health by Sex and Age-Group in Koreans -Using Data from the Korea National Health and Nutrition Examination Survey 2008~2011

Sang Woo Baek1, Heon Ok Lee1, Hyun Ja Kim2, Eun Sook Won3, Young Sik Ha3, Yong Kook Shin3, and Ae Son Om1

1Department of Food and Nutrition, College of Human Ecology, Hanyang University; 2Department of Food and Nutrition, College of Life Science, Gangneung-Wonju National University; 3R&D Center, Seoul Dairy Cooperative

Abstract

This study was conducted to examine the relationships between milk and milk product intake and bone health. The data from the 2008∼2011 Korean National Health and Nutrition Examination Survey (KNHANES) were used for data analysis. Subjects included 4,626 men and 6,144 women aged 19 to 64 years. Daily intake frequency of milk and milk products was obtained using a food frequency questionnaire and divided into two categories: less than one serving per day and more than one serving per day. Bone mineral density (BMD) values of total femur, femoral neck, and lumbar spine were compared based on daily intake frequency, and relationships between milk and milk product daily intake frequency and osteoporosis risk were evaluated based on logistic regression. In men aged 30∼39, BMDs of total femur and femoral neck were significantly higher in the group that consumed milk more than one serving per day (P<0.05). Intake frequency of milk and milk products was also significantly related to both BMDs of total femur and femoral neck. The odds ratio (OR) for milk intake frequency (more than one serving per day) compared to intake frequency less than one serving per day was 0.36 [95% confidence interval (CI) 0.21∼0.62], and the OR for milk and milk products intake frequency (more than one serving per day) was 0.49 (95% CI 0.28∼0.86) in women aged 50∼64. These results indicate that increased consumption of milk and its products is associated with reduced risk of bone health disease, and adequate intakes of milk and milk products might play an important role in maintaining optimum bone health. Further research on the causal relationship and dose-response association between milk intake and bone heath using prospective cohort data is required prior to applying the observed results to programs that prevent bone health problems.

Keywords: milk, milk products, bone health, osteoporosis, bone mineral density

Article

Article

Journal of the Korean Society of Food Science and Nutrition 2017; 46(4): 513-522

Published online April 30, 2017

Copyright © The Korean Society of Food Science and Nutrition.

성별, 연령별에 따른 우유・유제품 섭취와 골 건강과의 관련성 -2008~2011 국민건강영양조사 자료를 이용하여

Relationship between Intake of Milk and Milk Products and Bone Health by Sex and Age-Group in Koreans -Using Data from the Korea National Health and Nutrition Examination Survey 2008~2011

Sang Woo Baek*1, Heon Ok Lee*1, Hyun Ja Kim*2, Eun Sook Won*3, Young Sik Ha*3, Yong Kook Shin*3, and Ae Son Om*1

*1Department of Food and Nutrition, College of Human Ecology, Hanyang University; *2Department of Food and Nutrition, College of Life Science, Gangneung-Wonju National University; *3R&D Center, Seoul Dairy Cooperative

Abstract

This study was conducted to examine the relationships between milk and milk product intake and bone health. The data from the 2008∼2011 Korean National Health and Nutrition Examination Survey (KNHANES) were used for data analysis. Subjects included 4,626 men and 6,144 women aged 19 to 64 years. Daily intake frequency of milk and milk products was obtained using a food frequency questionnaire and divided into two categories: less than one serving per day and more than one serving per day. Bone mineral density (BMD) values of total femur, femoral neck, and lumbar spine were compared based on daily intake frequency, and relationships between milk and milk product daily intake frequency and osteoporosis risk were evaluated based on logistic regression. In men aged 30∼39, BMDs of total femur and femoral neck were significantly higher in the group that consumed milk more than one serving per day (P<0.05). Intake frequency of milk and milk products was also significantly related to both BMDs of total femur and femoral neck. The odds ratio (OR) for milk intake frequency (more than one serving per day) compared to intake frequency less than one serving per day was 0.36 [95% confidence interval (CI) 0.21∼0.62], and the OR for milk and milk products intake frequency (more than one serving per day) was 0.49 (95% CI 0.28∼0.86) in women aged 50∼64. These results indicate that increased consumption of milk and its products is associated with reduced risk of bone health disease, and adequate intakes of milk and milk products might play an important role in maintaining optimum bone health. Further research on the causal relationship and dose-response association between milk intake and bone heath using prospective cohort data is required prior to applying the observed results to programs that prevent bone health problems.

Keywords: milk, milk products, bone health, osteoporosis, bone mineral density