Harlow AF, Stokes AC, Brooks DR, Benjamin EJ, Barrington-Trimis JL, Ross CS. E-Cigarette Use and Combustible Cigarette Smoking Initiation among Youth: Accounting for Time-Varying Exposure and Time-Dependent Confounding. Epidemiology. 2022 Mar 29. https://doi.org/10.1097/EDE.0000000000001491 . Epub ahead of print. PMID: 35394965.

Kechter A, Simpson KA, Ceasar RC, Schiff SJ, Yamaguchi N, Bluthenthal RN, Smiley SL, Barrington-Trimis JL. Trajectories of Nicotine Use Leading to Dual and Cyclical Tobacco Product Use in Young Adults. Nicotine Tob Res. 2022 Jun 15;24(7):986-993 https://doi.org/10.1093/ntr/ntab249

Kong G, Chaffee BW, Wu R, Krishnan-Sarin S, Liu F, Leventhal AM, McConnell R, Barrington-Trimis J. Ecigarette device type and combustible tobacco use: Results from a pooled analysis of 10,482 youth. Drug Alcohol Depend. 2022 Mar 1;232:109279. https://doi.org/10.1016/j.drugalcdep.2022.109279

Lam CN, Nicholas W, Torre ADL, Chan Y, Unger JB, Sood N, Hu H. Factors associated with parents' willingness to vaccinate their children against COVID-19: The LA pandemic surveillance cohort study[J]. AIMS Public Health, 2022, 9(3): 482-489. https://doi.org/10.3934/publichealth.2022033

Majmundar A, Chu M, Perez C, Hoang Y, Yuan J, Unger JB, Allem JP. Tobacco and cannabis use advertisements targeting adolescents and young adults on Snapchat in 2019. Prev Med Reports. 2022; 26(101758). https://doi.org/10.1016/j.pmedr.2022.101758

Miech R, Leventhal AM, O’Malley PM, Johnston LD, Barrington-Trimis JL. Failed Attempts to Quit Combustible Cigarettes and e-Cigarettes Among US Adolescents. JAMA. 2022;327(12):1179–1181. https://doi.org/10.1001/jama.2022.1692

Nicholas, W., Sood, N., Lam, C. N., Kotha, R., Hu, H., & Simon, P. Did prioritizing essential workers help to achieve racial/ethnic equity in early COVID 19 vaccine distribution? The La Pandemic Surveillance Cohort Study. American Journal of Industrial Medicine, 2022, 65(4), 231–241. https://doi.org/10.1002/ajim.23335

Rogers, C., Steinberg, J., Vos, R.O., Soto, D.W., & Unger, J.B. Associations between Local Jurisdiction Ordinances and Current Use of Cannabis Products in California Adolescents, Substance Use & Misuse, 2022; 57:3, 373-379. https://doi.org/10.1080/10826084.2021.2012693

Sood N, Pernet O, Lam CN, et al. Seroprevalence of Antibodies Specific to Receptor Binding Domain of SARS-CoV-2 and Vaccination Coverage Among Adults in Los Angeles County, April 2021: The LA Pandemic Surveillance Cohort Study. JAMA Netw Open. 2022;5(1):e2144258. https://doi.org/10.1001/jamanetworkopen.2021.44258

Tackett AP, Barrington-Trimis JL, Leventhal AM. ‘Flavour ban approved’: new marketing strategies from tobacco-free nicotine pouch maker Zyn. Tob Control 2022;0:1–2. https://doi.org/10.1136/tobaccocontrol-2021-057222

Unger JB, Barker JO, Cruz TB, Leventhal AM, Pentz MA. .Lucy—Novel Flavored Nicotine Gum, Lozenges, and Pouches: Are They Misleading Consumers?, Substance Use & Misuse, 2022. https://doi.org/10.1080/10826084.2022.2076881

Unger, JB. (2022). Regulation of cannabis retailers: Facilitating responsible adult use and promoting health equity while preventing access to minors. American Journal of Public Health, 112(11), 1532–1534. https://doi.org/10.2105/ajph.2022.307102

Vogel EA, Barrington-Trimis JL, Kechter A, Tackett AP, Liu F, Sussman S, Lerman C, Unger JB, Hughes Halbert C, Chaffee BW, Leventhal AM. Differences in Young Adults’ Perceptions of and Willingness to Use Nicotine Pouches by Tobacco Use Status. International Journal of Environmental Research and Public Health. 2022; 19(5):2685. https://doi.org/10.3390/ijerph19052685

Yamaguchi N, Kechter A, Schiff SJ, Braymiller JL, Ceasar RC, Simpson KA, Bluthenthal RN, Barrington-Trimis JL. Critical Challenges and Creative Solutions for Quantifying Nicotine Vaping: Qualitative Reports From Young Adults. Nicotine Tob Res. 2022 Feb 14;24(3):416-420. https://doi.org/10.1093/ntr/ntab074

Allem J, Dormanesh A, Majmundar A, Rivera V, Chu M, Unger J, Cruz T. Leading Topics in Twitter Discourse on JUUL and Puff Bar Products: Content Analysis. J Med Internet Res 2021;23(7):e26510 URL: https://doi.org/10.2196/26510

Allem J, Dormanesh A, Majmundar A, Unger J, Kirkpatrick M, Choube A, Aithal A, Ferrara E, Boley Cruz T. Topics of Nicotine-Related Discussions on Twitter: Infoveillance Study. J Med Internet Res 2021;23(6):e25579. URL: https://doi.org/10.2196/25579

Barker JO, Vassey J, Chen-Sankey JC, Allem JP, Cruz TB, Unger JB. Categorizing IQOS-Related Twitter Discussions. Int J Environ Res Public Health. 2021 Apr 30;18(9):4836. https://doi.org/10.3390/ijerph18094836 . PMID: 33946546.

Chaffee BW, Barrington-Trimis J, Liu F, Wu R, McConnell R, Krishnan-Sarin S, Leventhal AM, Kong G. E-cigarette use and adverse respiratory symptoms among adolescents and Young adults in the United States. Prev Med. 2021 Aug 18:106766. https://doi.org/10.1016/j.ypmed.2021.106766 . Epub ahead of print. PMID: 34418439.

Chen-Sankey JC, Kechter A, Barrington-Trimis J, McConnell R, Krueger EA, Cruz TB, Unger JB, Chaffee BW, Leventhal A. Effect of a hypothetical modified risk tobacco product claim on heated tobacco product use intention and perceptions in young adults. Tob Control. 2021 May 31:tobaccocontrol-2021-056479. https://doi.org/10.1136/tobaccocontrol-2021-056479 . Epub ahead of print. PMID: 34059552.

Chu KH, Matheny SJ, Sidani JE, Allem JP, Unger JB, Cruz TB. Instagram's #JUUL: who's posting what. Transl Behav Med. 2021 Feb 11;11(1):257-261. https://doi.org/10.1093/tbm/ibz169 . PMID: 31912873; PMCID: PMC7877305.

Cwalina SN, Braymiller JL, Leventhal AM, Unger JB, McConnell R, Barrington-Trimis JL. Prevalence of Young Adult Vaping, Substance Vaped, and Purchase Location Across Five Categories of Vaping Devices, Nicotine & Tobacco Research, Volume 23, Issue 5, May 2021, Pages 829–835, https://doi.org/10.1093/ntr/ntaa232

Cwalina SN, Pacek LR, Barrington-Trimis JL, Tackett AP, Pentz MA. Cross-Sectional Associations of Multiple Tobacco Product Use with Depressive and Anxiety Symptoms among Young Adult E-Cigarette Users. Subst Use Misuse. 2021 Jul 29:1-8. https://doi.org/10.1080/10826084.2021.1954026 . Epub ahead of print. PMID: 34320919.

Kechter A, Barrington-Trimis JL, Cho J, Davis JP, Huh J, Black DS, Leventhal AM. Distress tolerance and subsequent substance use throughout high school. Addict Behav. 2021 Sep;120:106983. https://doi.org/10.1016/j.addbeh.2021.106983 . Epub 2021 May 8. PMID: 34010760; PMCID: PMC8184616.

Kim S, Mourali A, Allem JP, Unger JB, Cruz TB, Smiley SL. Instagram posts related to Backwoods cigarillo blunts: Content analysis. JMIR Public Health and Surveillance, 2021 Feb 9: 7(2): e22946 https://doi.org/10.2196/22946

Leventhal A, Dai H, Barrington-Trimis J, et al. ‘Ice’ flavoured e-cigarette use among young adultsTobacco Control Published Online First: 14 June 2021. https://doi.org/10.1136/tobaccocontrol-2020-056416

Leventhal AM, Dai D, Barrington-Trimis JL, Tackett AP, Pedersen E, Tran DD. Disposable E-Cigarette Use Prevalence, Correlates, and Associations with Previous Tobacco Product Use in Young Adults, Nicotine & Tobacco Research, 2021; ntab165, https://doi.org/10.1093/ntr/ntab165

Lozano, A., Liu, F., Lee, T. K., Prado, G., Schwartz, S. J., Leventhal, A. M., Kelleghan, A. R., Unger, J. B., & Barrington-Trimis, J. L. (2021). Bidirectional associations between e-cigarette use and alcohol use across adolescence. Drug and Alcohol Dependence, 220, 108496. https://doi.org/10.1016/j.drugalcdep.2020.108496

Majmundar A, Allem JP, Cruz TB, Unger JB, Pentz MA. Monitoring Health Effects of Vaping Discussed on Twitter in 2018 and 2019. J Gen Intern Med. 2021 Apr 9. https://doi.org/ 10.1007/s11606-021-06705-9 . Epub ahead of print. PMID: 33835311.

Majmundar A, Allem JP, Cruz TB, Unger JB, Pentz MA. Twitter Surveillance at the Intersection of the Triangulum, Nicotine & Tobacco Research, 2021; ntab085, https://doi.org/10.1093/ntr/ntab085

Majmundar A, Unger JB, Cruz TB, Kirkpatrick MG, Allem JP. Exposure to E-Cigarette Product Placement in Music Videos Is Associated With Vaping Among Young Adults. Health Educ Behav. 2021 Apr 6:10901981211003867. https://doi.org/10.1177/10901981211003867 . Epub ahead of print. PMID: 33821689.

Villanti AC, LePine SE, West JC, Cruz TB, Stevens EM, Tetreault HJ, Unger JB, Wackowski OA, Mays D. Identifying message content to reduce vaping: Results from online message testing trials in young adult tobacco users. Addict Behav. 2021 Apr;115:106778. https://doi.org/ 10.1016/j.addbeh.2020.106778. Epub 2020 Dec 11. PMID: 33341530; PMCID: PMC8085990.

Barrington-Trimis, J. L., Yang, Z., Schiff, S., Unger, J., Cruz, T. B., Urman, R., Cho, J., Samet, J. M., Leventhal, A. M., Berhane, K., & McConnell, R. (2020). E-cigarette Product Characteristics and Subsequent Frequency of Cigarette Smoking. Pediatrics, e20191652. https://doi.org/10.1542/peds.2019-1652

Begay, C., Soto, C., Baezconde-Garbanati, L., Unger, J.B., Barahona, R., Rodriguez, Y.L., & Smiley, S.L. (2020). Cigarette and e-cigarette retail marketing on and near California Tribal lands. Health Promotion Practice. Special Supplement: Tobacco and Health Equity: Interventions, Research, and Strategies to Address Tobacco Use Among Diverse Populations. Health Promotion Practice. 21(Suppl 1):18S–26S. https://doi.org/10.1177/1524839919883254

Chu, K.-H., Matheny, S. J., Sidani, J. E., Allem, J.-P., Unger, J. B., & Cruz, T. B. (2020). Instagram’s #JUUL: who’s posting what. Translational Behavioral Medicine, ibz169. https://doi.org/10.1093/tbm/ibz169

Cwalina, S. N., Leventhal, A. M., & Barrington-Trimis, J. L. (2020). E-cigarette flavour enhancers: Flavoured pod attachments compatible with JUUL and other pod-based devices. Tobacco Control, tobaccocontrol-2020-055618. https://doi.org/10.1136/tobaccocontrol-2020-055618

Escobedo, P., Tsai, K.-Y., Majmundar, A., Allem, J.-P., Soto, D. W., Pattarroyo, M., Unger, J. B., & Cruz, T. B. (2020). Do tobacco industry websites target content to specific demographic groups? Drug and Alcohol Dependence, 107852. https://doi.org/10.1016/j.drugalcdep.2020.107852

Kelleghan, A. R., Leventhal, A. M., Cruz, T. B., Bello, M. S., Liu, F., Unger, J. B., Riehm, K., Cho, J., Kirkpatrick, M. G., McConnell, R. S., & Barrington-Trimis, J. L. (2020). Digital media use and subsequent cannabis and tobacco product use initiation among adolescents. Drug and Alcohol Dependence, 108017. https://doi.org/10.1016/j.drugalcdep.2020.108017

Leventhal, A. M., Mason, T. B., Kirkpatrick, M. G., Anderson, M. K., & Levine, M. D. (2020). E-cigarette device power moderates the effects of non-tobacco flavors and nicotine on product appeal in young adults. Addictive Behaviors, 107, 106403. https://doi.org/10.1016/j.addbeh.2020.106403

Majmundar, A., Allem, J.-P., Cruz, T. B., & Unger, J. B. (2020). Public health concerns and unsubstantiated claims at the intersection of vaping and COVID-19. Nicotine & Tobacco Research, ntaa064. https://doi.org/10.1093/ntr/ntaa064

Medel, D., Meza, L., Galimov, A., Baezconde-Garbanati, L., Sussman, S. (In press). Notes From the Field: Vape Shop Business Operations Compliance in the Wake of COVID-19. Evaluation & the Health Professions. https://doi.org/10.1177/0163278720923224

Pang, R. D., Goldenson, N. I., Kirkpatrick, M., Barrington-Trimis, J., Cho, J., & Leventhal, A. M. (2020). Sex differences in the appeal of flavored e-cigarettes among young adult e-cigarette users. Psychology of Addictive Behaviors, http://dx.doi.org.libproxy1.usc.edu/10.1037/adb0000548

Sargent, J. D., Unger, J. B., & Leventhal, A. M. (2020). Recommendations From the USPSTF for Prevention and Cessation of Tobacco Use in Children and Adolescents. JAMA, 323(16), 1563–1564. https://doi.org/10.1001/jama.2019.22312

Schiff, S., Liu, F., Cruz, T. B., Unger, J. B., Cwalina, S., Leventhal, A., McConnell, R., & Barrington-Trimis, J. (2020). E-cigarette and cigarette purchasing among young adults before and after implementation of California’s tobacco 21 policy. Tobacco Control, tobaccocontrol-2019-055417. https://doi.org/10.1136/tobaccocontrol-2019-055417

Smiley, S. L., Cho, J., Cruz, T. B., Rodriguez, Y. L., Barahona, R., Pentz, M. A., Samet, J. M., & Baezconde-Garbanati, L. (in press). Menthol Cigarette Retail Marketing in Southern California: Evidence to Support Federal and Local Plans to Restrict Sales. Nicotine& Tobacco Research. 2020 Smiley, S. L., Soto, C., Cruz, T. B., Kintz, N., Rodriguez, Y. L., Sussman, S., & Baezconde-Garbanati, L. (2020). Point-of-sale marketing of little cigars and cigarillos on and near California Tribal lands. Tobacco Control, 29(1), 122. https://doi.org/10.1136/tobaccocontrol-2018-054558

Vogel, E. A., Cho, J., McConnell, R. S., Barrington-Trimis, J. L., & Leventhal, A. M. (2020). Prevalence of Electronic Cigarette Dependence Among Youth and Its Association With Future Use. JAMA Network Open, 3(2), e1921513-e1921513. https://doi.org/10.1001/jamanetworkopen.2019.21513

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