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Int J Environ Res Public Health. 2015 Apr 29;12(5):4726-38. doi: 10.3390/ijerph120504726.

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

Author information

1
Faculty of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou, 195# West Dongfeng Road, Guangzhou 510182, China. joan_zq@126.com.
2
Shenzhen Baoan City Center Hospital, 6 Xiyuan Road, Baoan District, Shenzhen 518102, China. WuJiang731@163.com.
3
Faculty of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou, 195# West Dongfeng Road, Guangzhou 510182, China. gytanjie@163.com.
4
Faculty of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou, 195# West Dongfeng Road, Guangzhou 510182, China. wjia@163.com.
5
Faculty of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou, 195# West Dongfeng Road, Guangzhou 510182, China. chuhon688@163.com.
6
Faculty of Preventive Medicine, School of Public Health, Guangzhou Medical University, Guangzhou, 195# West Dongfeng Road, Guangzhou 510182, China. peixi001@163.com.

Abstract

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.

PMID:
25938914
PMCID:
PMC4454936
DOI:
10.3390/ijerph120504726
[Indexed for MEDLINE]
Free PMC Article

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