| Summary: | Introduction
Prevalence of light daily smoking, 10 CPD) and frequency
(non-daily vs daily). Combinations of T0 and T1 smoking behaviors resulted in
15 smoking trajectories ending in light/non-daily smoking and a 16th category of
heavy daily smokers at T1. Differences in demographics, tobacco use, and smoking
cessation behaviors were assessed by using weighted multivariable regression
models.
Results
Overall, 46.1% of US smokers were heavy smokers, 24.6% remained light
daily smokers and 12.5% remained light non-daily smokers between T0 and T1.
Current cigar, smokeless tobacco, and pipe use differed by smoking trajectories
(p<0.05). All light and/or non-daily smokers were more likely than heavy daily
smokers to have made a quit attempt (p<0.05) but use of cessation treatments
varied. Smokers in many light and/or non-daily smoking trajectories were less
likely than heavy daily smokers to be aided by healthcare providers for smoking
cessation (p<0.05).
Conclusions
Among heavy daily smokers who became light non-daily smokers, the
mismatch between intent to quit (80.9%) and receiving advice to set a quit date
(33.7%) is one example of a potential opportunity for a clinical intervention.
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