Michael C. Leo, PhD

Biography

Michael Leo, PhD, is a member of CHR's Biostatistics Core. He is a consulting biostatistician and co-investigator on projects that use a variety of research designs, including quasi-experimental, observational (longitudinal and cross-sectional), community-based participatory, and clinical trials (pragmatic, cluster, and individually randomized). He is experienced with a variety of statistical techniques, such as general and generalized linear models, structural equation modeling, hierarchical linear modeling, risk model development and validation, interrater agreement, and psychometrics (measurement development, validation, and evaluation).

Dr. Leo previously was an assistant professor in the Oregon Health & Science University School of Nursing's Statistical Consulting Group, where he taught quantitative research design and analysis in the nursing PhD program. His research at OHSU included cancer-related studies encompassing chemotherapy treatment in children with acute lymphoblastic leukemia, clinical trials of exercise programs for breast and prostate cancer survivors, and other cancer treatment and prevention research. He was a co-investigator on studies in palliative care, fibromyalgia, depression, Attention Deficit Hyperactivity Disorder, worksite wellness interventions, and others. He was also an affiliate faculty member and statistical consultant in the OHSU School of Dentistry.

Dr. Leo received his PhD from Portland State University in systems science in the areas of industrial and organizational psychology and quantitative methods. He earned his Master’s Degree in industrial and organizational psychology from the University of Tulsa, and a Bachelor's Degree in economics and psychology from Binghamton University.

Selected Publications

 
  • Sellmaier C, Leo MC, Brennan EM, Kendall J, Houck GM. Finding fit between work and family responsibilities when caring for children with ADHD diagnoses. J Child Fam Stud 2016 Dec;25(12):3684-933.
  • Amendola LM, Jarvik GP, Leo MC, McLaughlin HM, Akkari Y, Amaral MD, Berg JS, Biswas S, Bowling KM, Conlin LK, Cooper GM, Dorschner MO, Dulik MC, Ghazani AA, Ghosh R, Green RC, Hart R, Horton C, Johnston JJ, Lebo MS, Milosavljevic A, Ou J, Pak CM, Patel RY, Punj S, Richards CS, Salama J, Strande NT, Yang Y, Plon SE, Biesecker LG, Rehm HL. Performance of ACMG-AMP Variant-Interpretation Guidelines among Nine Laboratories in the Clinical Sequencing Exploratory Research Consortium. Am J Hum Genet 2016 Jun 2;98(6):1067-76. PMCID: PMC4908185
  • Fellows JL, Mularski RA, Leo MC, Bentz CJ, Waiwaiole LA, Francisco MC, Funkhouser K, Stoney CM. Referring Hospitalized Smokers to Outpatient Quit Services: A Randomized Trial. Am J Prev Med 2016 Oct;51(4):609-19. PMCID: PMC5031367
  • Vesco KK, Leo MC, Karanja N, Gillman MW, McEvoy CT, King JC, Eckhardt CL, Smith KS, Perrin N, Stevens VJ. One-year postpartum outcomes following a weight management intervention in pregnant women with obesity. Obesity (Silver Spring) 2016 Oct;24(10):2042-9. PMCID: PMC5084910
  • Glass AG, Leo MC, Haddad Z, Yousefi K, du Plessis M, Chen C, Choeurng V, Abdollah F, Robbins B, Ra S, Richert-Boe KE, Buerki C, Pearson K, Davicioni E, Weinmann S. Validation of a genomic classifier for predicting post-prostatectomy recurrence in a community-based healthcare setting. J Urol 2016 Jun;195(6):1748-53.
  • Clarke G, DeBar LL, Pearson JA, Dickerson JF, Lynch FL, Gullion CM, Leo MC. Cognitive Behavioral Therapy in Primary Care for Youth Declining Antidepressants: A Randomized Trial. Pediatrics 2016 May;137(5). PMCID: PMC4845864
  • Leo MC, McMullen C, Wilfond BS, Lynch FL, Reiss JA, Gilmore MJ, Himes P, Kauffman TL, Davis JV, Jarvik GP, Berg JS, Harding C, Kennedy KA, Simpson DK, Quigley DI, Richards CS, Rope AF, Goddard KA. Patients' ratings of genetic conditions validate a taxonomy to simplify decisions about preconception carrier screening via genome sequencing. Am J Med Genet A 2016 Mar;170(3):574-82. PMCID: PMC4824299
  • Yarborough BJ, Leo MC, Yarborough MT, Stumbo S, Janoff SL, Perrin NA, Green CA. Improvement in Body Image, Perceived Health, and Health-Related Self-Efficacy Among People With Serious Mental Illness: The STRIDE Study. Psychiatr Serv 2016 Mar 1;67(3):296-301.
  • Nguyen-Truong CK, Leo MC, Lee-Lin F, Gedaly-Duff V, Nail LM, Gregg J, Le TV, Tran T. Adaptation and testing of instruments to measure cervical cancer screening factors among vietnamese immigrant women. J Transcult Nurs 2015 May;26(3):244-53.[Epub 2014 Apr 1]
  • Leo MC, Lindberg N, Vesco KK, Stevens VJ. Validity of medical chart weights and heights for obese pregnant women. eGEMs 2014;2(1):1051. PMCID: PMC4371469

Press Release

Kaiser Permanente Study Finds Cognitive Behavioral Therapy Is Cost-Effective for Teens Who Decline Antidepressants

Cognitive behavioral therapy (or CBT) delivered in a primary care setting is a cost-effective way to treat adolescents with depression who decline or quickly stop using antidepressants, according to a Kaiser Permanente study published today in the journal Pediatrics.

Jan 19, 2018

Press Release

Lifestyle Intervention Helps People Taking Antipsychotic Medications Lose Weight and Reduce Diabetes Risk

People with serious mental illnesses already at higher risk for obesity; medications that control their symptoms often lead to additional weight gain.

Sep 15, 2014

Press Release

Counseling in Primary Care Clinics Helps Speed Recovery for Depressed Teens

Kaiser Permanente study highlights benefit of cognitive behavioral therapy for teens who decline antidepressants. Depressed teenagers who received cognitive behavioral therapy in their primary care clinic recovered faster, and were also more likely to recover, than teens who did not receive the primary care-based counseling, according to a Kaiser Permanente study published today in the journal Pediatrics.

Apr 20, 2016

Press Release

Novel Study Helps Women Who Are Obese Limit Weight Gain During Pregnancy

Healthy Moms program aims to reduce risk of complications for mothers and babies

Aug 28, 2014