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22 May 2008
Nicholas and James are Featured in the NYT again
Professor Nicholas Christakis and Professor James Fowler’s study on social network and smoking cessation is featured in the New York Times, which is also going to appear in the New England Journal of Medicine this Thursday. Congratulations to them!
Their basic findings are that smokers are likely to quit in groups (As Nicholas said, “Whole constellations are blinking off at once.”) and that the remaining smokers tend to be socially marginalized.
One interesting question I have for their study is that, if friends tend to quit smoking together, will this partly contribute to the simultaneous weight gains among friends, a result Nicholas and James have found last year using the same dataset? In other words, I totally accept that social ties have important impacts on individuals' wellbeing, but if you try to research a certain outcome of wellbeing and do not control for the “contaminating” effects from other outcomes, the estimation of the social network effects on the former outcome could be biased. For example, the weight gains among friends, from this point of view, could be partially resulted from their simultaneous quitting from smoking. Of course, if smokers only consist of a very small fraction of the participants in the studied sample and their weight changes are not too extreme, the bias of the estimation should not invoke a serious problem.
See the following link for a glimpse of their study.
Study Finds Big Social Factor in Quitting Smoking
http://www.nytimes.com/2008/05/22/science/22smoke.html?partner=rssnyt&emc=rss
Sorry for the duplicate if you have noticed this news.
Posted by Weihua An at May 22, 2008 12:01 PM
Comments
Just curious. When you speak of quiting in groups i assume we are talking of at least 3 or more. I see people all the time quiting in couple and i swear atleast 75% of the time that only one of the 2 will successfully quit. That is strange to me too. It seems quite common that it turns out that way when couple's try together. I wonder if there is a study on that?
Posted by: Brad Stewart at June 18, 2008 2:33 PM
I would also like to see a study on 2 people quitting togeather, as I believe that most people do give up in pairs. I believe that would be more successful than a group giving up.
Posted by: Seo at July 4, 2008 3:16 AM