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Posted by / 25-Mar-2019 13:05

Cotinine americane online dating

Two children had more than 1 lead sample, and, for this study, we used the first sample to determine their cotinine levels.

In the context of a 12% overall smoking prevalence in the city of San Francisco, we recently found that, based on serum cotinine levels, 55% of adults admitted to the San Francisco General Hospital (SFGH) in California were active smokers or heavily exposed to SHS.A low NMR indicates lower cotinine clearance, which may result in higher cotinine levels due to lower clearance and not just higher SHS exposure.We used the NMR to compare the rates of nicotine metabolism in infants and children of different races, which has not previously been done.Main Outcome Measure Secondhand smoke exposure based on cotinine plasma level and history of exposure in the medical record.Results Thirteen percent of parents reported that their child was exposed to SHS, yet biochemical testing detected cotinine in 55% of samples, at a geometric mean (SD) of 0.23 (3.55) ng/m L. African American children had much higher mean cotinine levels than did Latino children (multiplicative factor change in cotinine, 6.01 ng/m L [95% CI, 4.49 to 8.05 ng/m L]).

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The primary aim of our study was to determine the prevalence of SHS exposure among infants and young children who received primary care at SFGH Medical Center, based on the biomarker of plasma cotinine, using a convenience blood sample.

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