Elizabeth Tildesley, Ph.D.


Education & Training

B.A., 1975
American University, Washington, D.C.

Ph.D., 1992
University of Oregon, Eugene, OR
Educational Psychology

During Dr. Tildesley's involvement with the Oregon Youth Substance Use Project (OYSUP, DA10767) and other substance-use related projects she has refined her expertise on the etiology of substance use and statistical methods for examining the development and outcomes of adolescent and young adult substance use behavior. Dr. Tildesley has considerable experience using innovative methods of analysis including SEM, LGM, LGMM and Latent Transition Analysis and has published using these techniques.

Current Projects

Salivary Biomarkers (DNA, RNA and Cortisol), Life Stress and Nicotine Dependence


09/30/09 - 08/31/12


National Institute on Drug Abuse (NIDA)




Principal Investigator
Judy Andrews

Anne Simons, Elizabeth Tildesley

Learn More →


Hampson, S., Tildesley, E., Andrews, J., Barckley, M., & Peterson, M. (2013). Smoking trajectories across high school: sensation seeking and Hookah use. Nicotine & Tobacco Research: Official Journal Of The Society For Research On Nicotine And Tobacco, 15(8), 1400-1408. doi:10.1093/ntr/nts338

Abstract or Full Text

Luyckx, K., Tildesley, E. A., Soenens, B., Andrews, J. A., Hampson, S. E., Peterson, M., & Duriez, B. (2011). Parenting and trajectories of children's maladaptive behaviors: A 12-year prospective community study. Journal of Clinical Child and Adolescent Psychology, 40, 468-478.

Hampson, S.E., Tildesley, E., Andrews, J.A., Luyckx, K., & Mroczek, D.K. (2010). The relation of change in hostility and sociability during childhood to substance use in mid adolescence. Journal of Research in Personality, 44, 103-114. doi:10.1016/j.jrp.2009.12.006.

Abstract or Full Text

Brigham, J., Lessov-Schlaggar, C. N., Javitz, H.S., Krasnow, R., Tildesley, E., Andrews, J., Hops, H., Cornelius, M. D., Day, N. L., McElroy, M. R., & Swan, G. E. (2010). Validity of recall of tobacco use in two prospective cohorts. American Journal of Epidemiology, 172(7), 828–835.

Abstract or Full Text

Bergen, A. W., Conti, D. V., Van Den Berg, D., Lee, W., Liu, J., Li, D., … Swan, G. E. (2009). Dopamine genes and nicotine dependence in treatment-seeking and community smokers. Neuropsychopharmacology: Official Publication Of The American College Of Neuropsychopharmacology, 34(10), 2252–2264. doi:10.1038/npp.2009.52

Abstract or Full Text

He, Y., Bergen, A. W., Hops, H. Andrews, J.A. Tildesley, E., Lessov-Schlagger, C. N., Webster, C., Benowitz, N. & Swan, G. E. (2009). Genome-wide linkage of cotinine pharmacokinetics suggests candidate regions on Chromosomes 9 and 11.  Neuropsychiatric Genetics, 150B(4), 554-559.

Hardin, J., He, Y., Javitz, H., Wessel, J., Krasnow, R., Tildesley, E., & ... Bergen, A. (2009). Nicotine withdrawal sensitivity, linkage to chr6q26, and association of OPRM1 SNPs in the SMOking in FAMilies (SMOFAM) sample. Cancer Epidemiology, Biomarkers & Prevention: A Publication Of The American Association For Cancer Research, Cosponsored By The American Society Of Preventive Oncology, 18(12), 3399-3406. doi:10.1158/1055-9965.EPI-09-0960

Abstract or Full Text

Lessov-Schlaggar, C.N., Hops, H., Brigham, J., Hudmon, K.S., Andrews, J. A., Tildesley, E., McBride, D., Jack, L. M., Javitz, H. S., & Swan, G. E. (2008). Adolescent smoking trajectories and nicotine dependence. Nicotine & Tobacco Research, 10(2). 341– 351.

Lessov-Schlaggar, C. N., Hops, H., Brigham, J., Hudmon, K. S., Andrews, J. A., Tildesley, E., McBride, B. A., Jack, L. M., Javita, H. S., & Swan, G. E. (2008). Adolescent smoking trajectories and nicotine dependence. Nicotine and Tobacco Research, 10, 341-351.

Tildesley, E. A. & Andrews, J. A. (2008). The development of children's intentions to use alcohol: Direct and indirect effects of parent alcohol use and parenting behaviors. Psychology of Addictive Behaviors, 22, 326-339.

Sheeber, L. B., Davis, B., Leve, C., Hops, H., & Tildesley, E. (2007). Adolescents’ relationships with their mothers and fathers: Associations with depressive disorder and subdiagnostic symptomatology. Journal of Abnormal Psychology, 116, 144-154.

Abstract or Full Text

Swan GE, Hops H, Wilhelmsen KC, Lessov CN, Cheng LS, Hudmon KS , Amos C,  Feiler HS, Ring HZ, Andrews JA, Tildesley E, Benowitz NL. (2006). A genome-wide screen for nicotine dependence susceptibility loci. Neuropsychiatric Genetics, 141B(4), 354-360.

Wilhelmsen, K.C., Swan, G.E., Cheng, L.S.-C., Lessov, C.N., Amos, C., Feiler, H.S., Hudmon, K.S., Ring, H.Z., Andrews, J.A., Tildesley, E., Benowitz, N., &   Hops,   H. (2005).  Support for previously identified alcoholism susceptibility loci in a cohort selected for smoking behavior. Alcoholism: Clinical and Experimental Research, 29, pp. 1 - 8.

Andrews, J. A., Tildesley, E., Hops, H., Duncan, S. C., & Severson, H. (2003). Elementary school age children's future intentions and use of substances. Journal of Clinical Child and Adolescent Psychology, 32, 556-567.

Abstract or Full Text

Swan, G. E., Hudmon, K. S., Jack, L. M., Hemberger, K., Carmelli, D., Khroyan, T. V., Ring, H. Z., Hops, H., Andrews, J. A., Tildesley, E., McBride, D., Benowizt, N., Webster, C., Wilhelmsen, K., Feiler, H., Koenig, B., Caron, L., Illes, J., & Cheng. L. S. (2003).   Environmental and genetic determinants of tobacco use:   Methodology for a multidisciplinary, longitudinal family-based investigation.   Cancer Epidemiology, Biomarkers & Prevention, 12, 1 - 12.

Andrews, J. A., Tildesley, E., Hops, H., & Li, F. (2002). The influence of peers on young adult substance use. Health Psychology, 21 , 349 - 357

Hops, H., Andrews, J.A., Duncan, S.C., Duncan, T.E., & Tildesley, E. (2000). Adolescent drug use development: A social interactional and contextual perspective. In M. Lewis & A.J. Sameroff (Eds.), Handbook of Developmental Psychopathology, 2nd edition (pp. 589-605). New York: Plenum Press.

Davis, B., Sheeber, L, Hops, H., & Tildesley, E. (2000). Adolescent responses to depressive parental behaviors in problem-solving interactions: implications for depressive symptoms. Journal of Abnormal Child Psychology, 28 (5), 451-465.

Tildesley, E., Hops, H., Ary, D. & Andrews, J. A. (1995). A multitrait-multimethod model of adolescent deviance, drug use, academic, and sexual behaviors. Journal of Psychopathology and Behavioral Assessment, 17(2), 185-215.

Duncan, T. E., Tildesley, E., Duncan S. C. & Hops, H. (1995). The consistency of family and peer influences on the development of substance use in adolescence. Addiction, 90(12), 1647-1660.

Andrews, J.A., Hops, H., Ary, D., & Tildesley, E., & Harris, J. (1993). Parental Influence on Adolescent Substance Use: Specific and Non-specific effects. Journal of Early Adolescence, 13, 285-310.

Ary, D. V., Tildesley, E., Hops, H. & Andrews, J. (1993). The influence of parent, sibling, and peer modeling and attitudes on adolescent use of alcohol. International Journal of the Additions, 28, 853-880.

Langhinrichsen, J., Lichtenstein, E., Seeley, J. R., Hops, H., Ary, D. V., Tildesley, E., & Andrews, J. (1990). Parent-adolescent congruence for adolescent substance use. Journal of Youth and Adolescence, 19, 623-635.

Hops, H., Tildesley, E., Lichtenstein, E., Ary, D. V., & Sherman, L. (1990). Parent-adolescent problem-solving interactions and drug use. American Journal of Drug & Alcohol Abuse, 16, 239-258.


Associate Research Scientist
Oregon Research Institute, Eugene, OR

Senior Research Associate
Oregon Research Institute, Eugene, OR

Project Coordinator
Oregon Research Institute, Eugene, OR

Research Assistant
Oregon Research Institute, Eugene, OR

Research Assistant
Institute of Policy Analysis, Eugene, OR

Project Coordinator
Institute of Policy Analysis, Eugene, OR

Evaluation Coordinator
Institute of Policy Analysis, Eugene, OR

Research Assistant
Department of Psychology, University of Oregon, Eugene, OR

Research Assistant
Joint Data Center, NACO and ICMA, Washington, DC