Table 3.

Mean urinary cotinine values by time to first cigarette after waking in a community-based study, New York

nUrinary cotinine (μg/mg creatinine)P value for pairwise comparisons of mean urinary cotinine levels
95% CL6-30 min31-60 min>60 min
Time to first cigarette (min)

NOTE: Mean values are adjusted for cigarettes per day, sex, and race.