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Relationship between spending on electronic cigarettes, 30-day use, and disease symptoms among current adult cigarette smokers in the U.S.
- Author(s): Yao, Tingting;
- Max, Wendy;
- Sung, Hai-Yen;
- Glantz, Stanton A;
- Goldberg, Rachel L;
- Wang, Julie B;
- Wang, Yingning;
- Lightwood, James;
- Cataldo, Janine
- et al.
Published Web Locationhttp://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0187399&type=printable
No data is associated with this publication.
ObjectiveTo examine the relationship between spending on electronic cigarettes (e-cigarettes) and disease symptoms compared with the relationship between 30-day e-cigarette use and disease symptoms among adult cigarette smokers in the U.S.
MethodsWe analyzed data from the Tobacco and Attitudes Beliefs Survey which included 533 respondents aged 24+ who were current cigarette smokers and e-cigarette ever users. Fifteen self-reported disease symptoms were included as outcome variables. Separate multivariable logistic regression models were estimated for each disease symptom with total spending on e-cigarettes in the past 30 days and with reported 30-day e-cigarette use. All models controlled for cigarettes smoked per day (CPD) and sociodemographic characteristics.
ResultsWe found that those who spent more on e-cigarettes were more likely to report chest pain (AOR = 1.25, 95% CI 1.02-1.52), to notice blood when brushing their teeth (AOR = 1.23, 95% CI 1.02-1.49), to have sores or ulcers in their mouth (AOR = 1.36, 95% CI 1.08-1.72), and to have more than one cold (AOR = 1.36, 95% CI 1.05-1.78) than those with no spending on e-cigarettes in the past 30 days in an adjusted analysis. After controlling for CPD and other covariates, there were no significant relationships between 30-day e-cigarette use and symptoms. Even after controlling for CPD, e-cigarette expenditures or use was associated with greater odds of wheezing and shortness of breath.
ConclusionsE-cigarette expenditures might be a more useful measure of intensity of e-cigarette use. The additional health effect of e-cigarette use or expenditures among smokers independent of the effect of CPD suggests that e-cigarette use adds adverse health effects even among cigarette smokers.
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