J Prev Med Public Health.
2006 Sep;39(5):389-396.
Prevalence and Associated Factors of Osteoporosis among Postmenopausal Women in Chuncheon: Hallym Aging Study(HAS)
- Affiliations
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- 1Institute of Health and Environment, Seoul National University, Korea.
- 2Department of Family Medicine, College of Medicine, Hallym University, Korea.
- 3Department of Internal Medicine, College of Medicine, Hallym University, Korea.
- 4Department of Statistics, Seoul National University, Korea.
- 5Institute for Aging Studies, Hallym University, Korea.
- 6Department of Social and Preventive Medicine, College of Medicine, Hallym University, Korea. dhkims@hallym.ac.kr
Abstract
- OBJECTIVES: A community-based, cross-sectional survey was conducted to determine theprevalence of osteoporosis and to evaluate the effects of body composition, health behaviors and reproductive history on bone density in postmenopausal women. METHODS: The study subjects were 362 postmenopausal women, aged 45 years old or over, who were invited to the hospital. Information on their socio-demographic characteristics and the potential risk factors such as their past medical history, smoking, alcohol intake, exercise, diet and menstrual/reproductive histories were collected by trained interviewers. Weight, height, the body mass index (kg/m2), and body composition variables were measured. Bone mineral density of the lumbar spine was measured by dual energy X-ray absorptiometry (DXA). RESULTS: The prevalence of osteoporosis was 30.6% in the 45~64 years old women, 52.5% in the elderly women aged 65~74, and 68.7% in the women aged 75 years or over. After adjustment for the effect of potential covariates, those women in the highest 25% (4th quartile) of the lean body mass are less likely to have osteoporosis (aOR=0.31, 95% CI=0.12-0.76), compared with the lowest quartile group. More parity also had significantly detrimental effects on osteoporosis. CONCLUSIONS: These findings suggest that the prevalence of osteoporosis in postmenopausal women increased with age from 46.3% of those aged 45-64 to 68.7% fo those aged 75 and over. Lean body mass and parity appeared significant contributor to bone mineral density in postmenopausal women in this population.
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