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Documentation of e-cigarette use and associations with smoking from 2012 to 2015 in an integrated healthcare delivery system
Documentation of e-cigarette use and associations with smoking from 2012 to 2015 in an integrated healthcare delivery system PREVENTIVE MEDICINE Young-Wolff, K. C., Klebaner, D., Folck, B., Tan, A. L., Fogelberg, R., Sarovar, V., Prochaska, J. J. 2018; 109: 113–18Abstract
It is unclear whether use of electronic nicotine delivery systems (ENDS) precedes cigarette smoking initiation, relapse, and/or quitting. Healthcare systems with electronic health records (EHRs) provide unique data to examine ENDS use and changes in smoking. We examined the incidence of ENDS use (2012-2015) based on clinician documentation and tested whether EHR documented ENDS use is associated with twelve-month changes in patient smoking status using a matched retrospective cohort design. The sample was Kaiser Permanente Northern California (KPNC) patients aged =12 with documented ENDS use (N?=?7926); 57% were current smokers, 35% former smokers, and 8% never-smokers. ENDS documentation incidence peaked in 2014 for current and former smokers and in 2015 for never-smokers. We matched patients with documented ENDS use to KPNC patients without documented ENDS use (N?=?7926) on age, sex, race/ethnicity, and smoking status. Documented ENDS use predicted the likelihood of smoking in the following year. Among current smokers, ENDS use was associated with greater odds of quitting smoking (OR?=?1.17, 95%CI?=?1.05-1.31). Among former smokers, ENDS use was associated with greater odds of smoking relapse (OR?=?1.53, 95%CI?=?1.22-1.92). Among never-smokers, ENDS use was associated with greater odds of initiating smoking (OR?=?7.41, 95%CI?=?3.14-17.5). The overall number of current smokers at 12?months was slightly higher among patients with (N?=?3931) versus without (N?=?3850) documented ENDS use. Results support both potential harm reduction of ENDS use (quitting combustibles among current smokers) and potential for harm (relapse to combustibles among former smokers, initiation for never-smokers).
View details for PubMedID 29360481