Table 1.

Differences in socio-environmental risk and protective factors between college attenders and nonattenders among the cohort of youth (<18 years) who aged into early adulthood (18-24 years) between Waves 1 and 3 of the PATH Study, United States, 2013-14, 2015-16, n=3619

Variable	RD or MD	95% CI
Perceived norm of cigarette smoking (general)	7.2	4.2	10.0
Perceived norm of cigarette smoking (among people important)	17.6	14.8	20.4
Has friends who smoke	−8.6	−11.9	−5.3
Exposed to tobacco advertising in past 30 days	−7.3	−10.7	−4.1
Hours spent around smokers while they were smoking in past 7 days	−3.1*	−4.1	−2.2

^*Value is Mean Difference; MD = Mean Difference; RD = Risk difference

Note: Higher RD and MD values favor college nonattenders while lower values favor college attenders