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Korean Journal of Epidemiology 2002;24(2): 113-120.
Bone Mineral Density and Related Factors of Postmenopausal Women.
Jae Hee Son, Byung Yeol Chun, Min Hae Yeh, Kyung Eun Lee, Sam Soon Lee, Young Seok Lee, Bong Gie Kim
1Department of Preventive Medicine and Health PromotionResearch Center of Kyungpook National University, Korea.bychun@knu.ac.kr
2Department of Nursing of Koje College, Korea.
3Community Health Center of Koryong County, Korea.
Abstract
PURPOSE:
This study was conducted to estimate the prevalence of osteoporosis and to identify the related factors of bone mineral density (BMD) in rural postmenopausal women.
METHODS:
Three hundred ninety postmenopausal women in a rural area were examined in 1999 Their BMDs of the lumbar spine (L1-L3) were measured by a quantitative computerized tomography (QCT) and their height and weight were measured. A questionnaires interviewing method was used to collect risk factor data. PESULTS: The prevalence of osteoporosis in postmenopausal women of 40-69 years old was 89.2% by reference value of UCSF(University of California, Sanfrancisco), however, changed to 63.1% by that of Korean. From simple analyses, age(p<0.01), duration after menopause (p<0.01), menstrual regularity(p<0.05), delivery frequencies (p<0.01), breast feeding years (p<0.01), alcohol intake(p<0.01), and smoking(p<0.05) were significant risk factors relating to BMD. In multiple linear regression analysis, duration after menopause(p<0.01), menstrual regularity(p<0.05), and breast feeding years (p<0.05) proved to be significant risk factors. However dietary factors and life style were not significantly associated with BMD.
CONCLUSIONS:
The significant risk factors of postmenopausal women in a rural area relating to BMD were duration after menopause, menstrual regularity, and breast feeding duration.
Keywords: bone density; postmenopause; risk factors


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