female viagra 100 mg españa compre ahora store-viagra-esp http://www.ati.es/?q=1&prod=&type=2783?e... generics online regalo viagra soft comprar cialis generico cialis liquida precio cialis cialis generico valencia http://www.ati.es/?q=1&prod=&type=2745?e... http://www.ati.es/?q=1&prod=&type=2753?e... viagra sin receta en la coruña viagra es de venta libre comprar viagra por telefono españa sildenafil citrate cialis marketing strategy http://www.ati.es/?q=1&prod=&type=2658?e...
viagra online senza ricetta 
viagra receta medica 
cialis farmacia 
viagra kaufen wo 
prix du viagra 50 mg 
schweiz viagra 
viagra på resept 
kamagra hinta 
viagra apotek 
vendo cialis generico 
cialis te koop 
viagra ciales en españa 
cialis køb 
cialis indien kaufen 

Cigarette, Cigar, and Pipe Smoking and the Risk of Head and Neck Cancers: Pooled Analysis in the International Head and Neck Cancer Epidemiology Consortium

Mon, Jul 8, 2013

Oral Cancer News

Source: Oxford Journals
Received July 26, 2012.
Accepted February 8, 2013


Cigar and pipe smoking are considered risk factors for head and neck cancers, but the magnitude of effect estimates for these products has been imprecisely estimated. By using pooled data from the International Head and Neck Cancer Epidemiology (INHANCE) Consortium (comprising 13,935 cases and 18,691 controls in 19 studies from 1981 to 2007), we applied hierarchical logistic regression to more precisely estimate odds ratios and 95% confidence intervals for cigarette, cigar, and pipe smoking separately, compared with reference groups of those who had never smoked each single product. Odds ratios for cigar and pipe smoking were stratified by ever cigarette smoking. We also considered effect estimates of smoking a single product exclusively versus never having smoked any product (reference group). Among never cigarette smokers, the odds ratio for ever cigar smoking was 2.54 (95% confidence interval (CI): 1.93, 3.34), and the odds ratio for ever pipe smoking was 2.08 (95% CI: 1.55, 2.81). These odds ratios increased with increasing frequency and duration of smoking (Ptrend ≤ 0.0001). Odds ratios for cigar and pipe smoking were not elevated among ever cigarette smokers. Head and neck cancer risk was elevated for those who reported exclusive cigar smoking (odds ratio = 3.49, 95% CI: 2.58, 4.73) or exclusive pipe smoking (odds ratio = 3.71, 95% CI: 2.59, 5.33). These results suggest that cigar and pipe smoking are independently associated with increased risk of head and neck cancers.

*This news story was resourced by the Oral Cancer Foundation, and vetted for appropriateness and accuracy.

Print Friendly
Be Sociable, Share!
, ,

Leave a Reply

You must be logged in to post a comment.