{"doi":"10.1093/aje/kwaa161","title":"Use of Electronic Cigarettes to Aid Long-Term Smoking Cessation in the United States: Prospective Evidence From the PATH Cohort Study","abstract":"Electronic cigarettes (e-cigarettes) are the preferred smoking-cessation aid in the United States; however, there is little evidence regarding long-term effectiveness among those who use them. We used the Population Assessment of Tobacco and Health Study to compare long-term abstinence between matched US smokers who tried to quit with and without use of e-cigarettes as a cessation aid. We identified a nationally representative cohort of 2,535 adult US smokers in 2014-2015 (baseline assessment), who, in 2015-2016 (exposure assessment), reported a past-year attempt to quit and the cessation aids used, and reported smoking status in 2016-2017 (outcome assessment; self-reported ≥12 months continuous abstinence). We used propensity-score methods to match each e-cigarette user with similar nonusers. Among US smokers who used e-cigarettes to help quit, 12.9% (95% confidence interval (CI): 9.1%, 16.7%) successfully attained long-term abstinence. However, there was no difference compared with matched non-e-cigarette users (cigarette abstinence difference: 2%; 95% CI: -3%, 7%). Furthermore, fewer e-cigarette users were abstinent from nicotine products in the long term (nicotine abstinence difference: -4%; 95% CI: -7%, -1%); approximately two-thirds of e-cigarette users who successfully quit smoking continued to use e-cigarettes. These results suggest e-cigarettes may not be an effective cessation aid for adult smokers and, instead, may contribute to continuing nicotine dependence.","journal":"American Journal of Epidemiology","year":2020,"id":61390,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":57,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9566,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2020-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":270083,"name":"John P. Pierce","orcid":"0000-0002-0075-7471","position":1,"is_corresponding":false},{"id":270085,"name":"Eric C. Leas","orcid":"0000-0001-9221-0336","position":2,"is_corresponding":false},{"id":270090,"name":"Martha M. White","orcid":"0000-0003-1844-5545","position":3,"is_corresponding":false},{"id":270087,"name":"Sheila Kealey","orcid":"0000-0002-9269-7153","position":4,"is_corresponding":false},{"id":310226,"name":"David R. Strong","orcid":"0000-0002-5383-9032","position":5,"is_corresponding":false},{"id":272650,"name":"Dennis R. Trinidad","orcid":null,"position":6,"is_corresponding":false},{"id":270088,"name":"Tarik Benmarhnia","orcid":"0000-0002-4018-3089","position":7,"is_corresponding":false},{"id":304702,"name":"Karen Messer","orcid":"0000-0002-9298-2413","position":8,"is_corresponding":false},{"id":304689,"name":"Ruifeng Chen","orcid":"0000-0003-4892-9233","position":0,"is_corresponding":true}],"reference_count":37,"raw_metadata":null,"created_at":"2026-07-18T21:09:27.985420Z","pmid":"32715314","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}