The current paper adds to our previous work by providing a broader overview of selection homophily and peer influence for our experimental smoking and vaping norms measures (in terms of pupils observed scores on the scales, and individual norms items), comparing statistical methods used to address these questions in behavioral economics (regression, e.g., Krupka et al., 2016) and network sciences (SIENA, e.g., Mercken et al., 2012), examining peer influence from proximal (e.g., nominated friends) versus distal (e.g., school classes and school year groups) peers, and also examining selection homophily and peer influence for our studys other (self-report) smoking outcomes and objectively measured smoking behavior
HaddockCKJitnarinNCaetanoRJahnkeSAHollerbachBSKaipustCMet al
Note that smoking also substantially reduces the clearance of acid from the esophagus
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Who can use it: You must be over 18 years old and pregnant women, airline pilots and other professions are not allowed to use Champix