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Low dietary choline intake is associated with the risk of osteoporosis in elderly individuals: a population-based study

Yuan-Wei Zhang 1Pan-Pan Lu 1Ying-Juan Li 2Guang-Chun Dai 1Mu-Min Cao 1Tian Xie 1Cheng Zhang 1Liu Shi 1Yun-Feng Rui 1

Food Funct. 2021 Jun 1.doi: 10.1039/d1fo00825k. 


Currently, little is known regarding the association between dietary choline intake and osteoporosis in elderly individuals, as well as if such intakes affect bone health and result in fractures. This study was aimed to examine associations between daily dietary choline intake and osteoporosis in elderly individuals. A total of 31 034 participants from the National Health and Nutritional Examination Survey (NHANES) during 2005-2010 were enrolled, and 3179 participants with complete data and aged 65 years and older were identified. Baseline characteristics and dietary intake data were obtained through method of in-home administered questionnaires. Of 3179 individuals with a mean age of 73.7 ± 5.6 years, female (P < 0.001) and non-hispanic white (P < 0.001) occupied a higher proportion in the osteoporosis group. The logistic regression analysis indicated that the prevalence of osteoporosis in three tertile categories with gradually enhanced dietary choline intake was decreased progressively (P for trend <0.001). The restricted cubic spline (RCS) showed that the risk of osteoporosis generally decreased with increasing daily dietary choline intake (P < 0.001), while this trend was not apparent in relation between the daily dietary choline intake and risk of hip fracture (P = 0.592). The receiver operating characteristic (ROC) analysis identified a daily dietary choline intake of 232.1 mg as the optimal cutoff value for predicting osteoporosis. Our nationwide data suggested that a lower level of daily dietary choline intake was positively associated with the increased risk of osteoporosis in the US elderly population.