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  • Title: [Dietary intake of thiamine, riboflavin and niacin among adults aged 65 and above in 15 provinces(autonomous regions and municipalities) in China in 2015].
    Author: Li L, Ouyang Y, Wang H, Huang F, Wang Y, Zhang J, Su C, Du W, Jia X, Jiang H, Wang Z, Zhang B.
    Journal: Wei Sheng Yan Jiu; 2020 Jan; 49(1):28-35. PubMed ID: 32290910.
    Abstract:
    OBJECTIVE: To assess the intake of thiamine, riboflavin and niacin and estimate the association between the adequacy of intake of those three B-vitamins and risk factors among older Chinese adults. METHODS: A total of 3222 adults aged 65 and above with completed dietary data were derived from the 2015 survey of China Nutritional Transition Cohort Study 2015. The total subjects. Dietary data was recorded by three consecutive days with 24-hour recalls. The intake of those three B-vitamins were assessed by comparing with Chinese dietary thiamine, riboflavin and niacin reference intakes. The food sources of three vitamins were analyzed. Multivariate Logistic regression was used to estimate adjusted odds ratios for factors associated with the inadequacy of intake of those three vitamins. RESULTS: The median daily intake of thiamine, riboflavin and niacin was 0. 8, 0. 7 and 12. 8 mg in males, and 0. 7, 0. 6 and 10. 9 mg in females, respectively. Adults aged 80 and above and living in the southern regions were more likely to have inadequate thiamine intake than adults aged 65-79 and living in northern regions, respectively. Adults had inadequate intake of riboflavin were more likely to be living in a village and adults with lower education levels than adults living in a city and adults with higher education levels. In males, adults had inadequate intake of niacin were more likely to be 80 years and above, with lower education levels, living in the northern regions, living in a village and with the lowest income. In females, adults had inadequate intake of niacin were more likely to be with lower education, living in northern regions and living in a village. CONCLUSION: About 80% adults were at the risk of the inadequate intake of thiamine and riboflavin in China. Age, education, income, regions and areas of residence were associated with the intake of thiamine, riboflavin and niacin.
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