Abstract
Inadequate calcium and vitamin D intake is a possible risk factor of osteoporosis. Our purposes were to estimate calcium and vitamin D intake in Korean women, and to determine associated risk factors for low calcium and vitamin D intake. This is a multicenter, hospital-based, and cross-sectional study on osteoporosis. In this study, 1516 women of 50years or older were involved. Dietary calcium and vitamin D intake were evaluated using the self-reporting KCAT questionnaire. Average daily calcium intake was 662.8±473.8mg, and vitamin D intake 9.5±10.7μg. In multivariate analysis, older age (OR 1.02, 95% CI 1.00-1.04, p=0.001), and rural residence (OR 2.43, 95% CI 1.34-4.43, p=0.004) were significant risk factors for lower calcium intake, and older age (OR 1.03, 95% CI 1.02-1.04, p<0.001), and rural residence (OR 1.85, 95% CI 1.10-3.11, p<0.001) were significant risk factors for lower vitamin D intake. About 70% of women aged 50years or older had calcium and vitamin D intake below the recommended dietary intake. Older age and rural residence were significant risk factors for lower calcium and vitamin D intake in Korean women.
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