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Nutrients 2017, 9(9), 934; doi:10.3390/nu9090934

Dietary Cholesterol in the Elderly Chinese Population: An Analysis of CNHS 2010–2012

National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing 100050, China
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Received: 12 June 2017 / Revised: 15 August 2017 / Accepted: 18 August 2017 / Published: 25 August 2017
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Abstract

Dietary cholesterol intake increased dramatically over the past two decades in the elderly Chinese population. However, the nationwide dietary cholesterol intake and its related factors seldom been investigated. Based on data from 16,594 participants aged 60 years or older (49.0% male, 54.8% urban residents) from the China National Nutrition and Health Survey (CNHS) 2010–2012, we aimed to describe the intake of cholesterol and major food contributions, as well as its association with serum cholesterol level and relationship with protein intake. Mean daily cholesterol intake for all participants was 217.4 mg, the mean cholesterol intakes in urban and rural areas were 264.0 mg and 168.8 mg, respectively. Cholesterol intake levels varied by age, gender, BMI and region (p < 0.001). In addition, the proportion of all participants who consumed greater than 300 mg of cholesterol per day was 26.6%. Eggs, red meats, and seafood were the top three food sources and their contributions to total daily cholesterol intake were 57.7%, 24.0% and 10.9% respectively. Serum total cholesterol (TC) and low density lipoprotein cholesterol (LDL-C) were related to dietary cholesterol intake, with each 100 mg increase in dietary cholesterol intake apparently leading to a 0.035 mmol/L (p = 0.001) increase in serum TC and a 0.038 mmol/L (p < 0.001) increase in LDL-C. The partial correlation coefficients between dietary cholesterol and total protein, high-quality protein, intake of protein per kilogram body weight (BW), and high-quality protein percentage were 0.538, 0.580, 0.426, and 0.548, respectively, after adjusting for age, gender, and energy, fat and carbohydrate intakes (p < 0.001). In conclusion, there was a substantial urban-rural difference in cholesterol intake. Eggs and red meat were the main sources of dietary cholesterol intake. Serum TC and LDL-C were associated with dietary cholesterol and the response was linear. Dietary cholesterol intake was closely related to the intake of high-quality protein. View Full-Text
Keywords: dietary cholesterol; high-quality protein; elderly population; food source dietary cholesterol; high-quality protein; elderly population; food source
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Pang, S.-J.; Jia, S.-S.; Man, Q.-Q.; Song, S.; Li, Y.-Q.; Song, P.-K.; Zhao, W.-H.; Zhang, J. Dietary Cholesterol in the Elderly Chinese Population: An Analysis of CNHS 2010–2012. Nutrients 2017, 9, 934.

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