Relationships of Cotinine and Self-Reported Cigarette Smoking With Hemoglobin A1c in the U.S.: Results from the National Health and Nutrition Examination Survey, 1999–2008  

Oleh:

Clair, Carole ; Bitton, Asaf ; Meigs, James B. ; Rigotti, Nancy A.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Diabetes Care vol. 34 no. 10 (Oct. 2011), page 2250-2255.
Topik: Glycated Hemoglobin

Ketersediaan

Perpustakaan FK Nomor Panggil: D05.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

OBJECTIVE Whether nicotine leads to a persistent increase in blood glucose levels is not clear. Our objective was to assess the relationship between cotinine, a nicotine metabolite, and glycated hemoglobin (HbA1c), an index of recent glycemia. RESEARCH DESIGN AND METHODS We used cross-sectional data from the National Health and Nutrition Examination Survey (NHANES) from 1999 to 2008. We limited our analysis to 17,287 adults without diabetes. We created three cotinine categories: <0.05 ng/mL, 0.05–2.99 ng/mL, and =3 ng/mL. RESULTS Using self-report, 25% of the sample were current smokers, 24% were former smokers, and 51% were nonsmokers. Smokers had a higher mean HbA1c (5.36% ± 0.01 SE) compared with never smokers (5.31% ± 0.01) and former smokers (5.31% ± 0.01). In a similar manner, mean HbA1c was higher among participants with cotinine =3 ng/mL (5.35% ± 0.01) and participants with cotinine 0.05–2.99 ng/mL (5.34% ± 0.01) compared with participants with cotinine <0.05 ng/mL (5.29% ± 0.01). In multivariable-adjusted analysis, we found that both a cotinine =3 ng/mL and self-reported smoking were associated with higher HbA1c compared with a cotinine <0.05 ng/mL or not smoking. People with a cotinine level =3 ng/mL had a relative 5% increase in HbA1c compared with people with a cotinine level <0.05 ng/mL, and smokers had a relative 7% increase in HbA1c compared with never smokers. CONCLUSIONS Our study suggests that cotinine is associated with increased HbA1c in a representative sample of the U.S. population without diabetes.

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