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Beneficial Effect of Higher Dietary Fiber Intake on Plasma HDL-C and TC/HDL-C Ratio among Chinese Rural-to-Urban Migrant Workers

by Quan Zhou 1,†, Jiang Wu 2,†, Jie Tang 1, Jia-Ji Wang 1, Chu-Hong Lu 1 and Pei-Xi Wang 1,*
1
Faculty of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou, 195# West Dongfeng Road, Guangzhou 510182, China
2
Shenzhen Baoan City Center Hospital, 6 Xiyuan Road, Baoan District, Shenzhen 518102, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Paul B. Tchounwou
Int. J. Environ. Res. Public Health 2015, 12(5), 4726-4738; https://doi.org/10.3390/ijerph120504726
Received: 12 March 2015 / Revised: 20 April 2015 / Accepted: 23 April 2015 / Published: 29 April 2015
Research has shown that high-dose supplemental dietary fiber intake has beneficial effects on cardiovascular risk factors. To clarify such a relationship, we examined the association between daily dietary fiber intake and plasma lipids using a cross-sectional design including 1034 (M 502, F 532) rural-to-urban workers in China. We found a dose-response relationship between increased dietary fiber intakes and increase of HDL cholesterol in male workers. There was also a dose-response relationship between increased dietary fiber intake and decreased total cholesterol to HDL cholesterol (TC/HDL-C) ratio in both male and female workers, after adjusting for potential confounders (p for trend, all p < 0.05). When the average dietary fiber intake increased from less than 18 g/day to over 30 g/day, the average HDL cholesterol level increased by 10.1%, and the TC/HDL-C ratio decreased by 14.4% for males (p = 0.020) and by 11.1% for females (p = 0.048). In conclusion, higher daily dietary fiber consumption is associated with beneficial effect on cholesterol for rural-to-urban workers in China, suggesting its potential beneficial effect on decreasing the risk of cardiovascular diseases. View Full-Text
Keywords: dietary fiber; high-density lipoprotein cholesterol; total cholesterol to high-density lipoprotein cholesterol ratio dietary fiber; high-density lipoprotein cholesterol; total cholesterol to high-density lipoprotein cholesterol ratio
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Zhou, Q.; Wu, J.; Tang, J.; Wang, J.-J.; Lu, C.-H.; Wang, P.-X. Beneficial Effect of Higher Dietary Fiber Intake on Plasma HDL-C and TC/HDL-C Ratio among Chinese Rural-to-Urban Migrant Workers. Int. J. Environ. Res. Public Health 2015, 12, 4726-4738.

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