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Liu X.,Affiliated Kailuan General Hospital | Li J.,Hebei University | Wang L.,Affiliated Kailuan General Hospital | Wang Y.,Kailuan Occupation Prevention and Cure Hospital | And 5 more authors.
Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi

OBJECTIVE: To explore the relationship between the level of waist circumference (WC) and the impaired fasting glucose (IFG) in people working for the Kailuan Enterprise.METHODS: A total of 101 510 subjects from the employees of Kailuan Group who took part in the health examination between 2006 to 2007, with fasting plasma glucose (FPG) < 6.1 mmol/L, no history of diabetes, completed data on FPG and WC examination and without using hypoglycemic agents, were selected as the observation cohort. Subjects who did not participate in the health examination from 2010 to 2011 and had incomplete data were finally excluded, ended up with 52 099 subjects available for final analysis. According to the baseline WC measurements and its quartile in the health examinations during 2006 to 2007, people under observation were divided into four groups (first, second, third and the forth quartile groups). Multiple logistic regression analysis was used to test the relation between the increasing of WC and IFG.RESULTS: (1) The incidence rate of IFG in the obese group was higher than that in non-obese group (10.5% vs. 6.8% , P < 0.01), along with an increasing WC noticed in the 4 quartile groups and the incidence rates of IFG were progressively increased, being 6.0%, 7.1%, 8.6% and 11.0% respectively in the total population(7.0%, 7.9%, 9.1% and 11.4% in males, 2.5%, 4.6%, 6.8% and 9.8% in females). (2)Results from the multiple logistic regression analysis showed that, when compared with the first quartile group, the second, third and fourth quartile groups had increased risks of IFG after adjustment on age, gender and other risk factors in the total population, with the OR values being 1.03, 1.15 and 1.30 respectively. After adjusting the above factors in genders, we also noticed the increased risks of IFG, with the OR value being 1.45, 1.66 and 2.08 in males, while 1.00, 1.09 and 1.23 in females, respectively. The influence of the second and third quartile groups on IFG was not significant in females, however.CONCLUSION: The incidence of IFG showed an increasing trend with the increase of WC. Source

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