Paul Ritvo


Locations / Contact Info:

138 CB
Keele Campus
Phone: 416 736 2100 Ext. 22398

Locations / Contact Info:

138 CB
Keele Campus
Phone: 416 736 2100 Ext. 22396

Email address(es):

Faculty & School/Dept.

Faculty of Health - Department of Psychology - School of Kinesiology & Health Science


Ph.D. - 1978
California School of Professional Psychology
San Francisco, California


Selected Publications

Ritvo, P. Irvine, J., Robinson, G., Brown, L., Murphy, K.J., and Rosen, B. Psychological Adjustment to Familial Genetic Risk Assessment for Ovarian Cancer: Predictors of Non-Adherence to Surveillance Recommendations, Gynecologic Oncology 2002, 84 (1): 72 - 80

Ritvo P, Irvine J, Klar N, Wilson K, Brown L, Bremner K, Rinfret A. Remis R, Krahn, MA. National survey of attitudes and knowledge regarding preventive vaccines. Journal of Immune- Based Therapies and Vaccines, 2003; 1(1):3.

Wilson KW, Boon H, Jadad A, Vohra S, McGeer A, Mills E and Ritvo P. A survey of attitudes towards pediatric vaccines amongst Canadian naturopathic students Vaccine 2004;22(3-4):329-34.

Krahn M., John-Baptiste A., Yi Q., Doria A., Remis R., Ritvo P., Friedman, S. Potential Cost-Effectiveness Of A Preventive Hepatitis C Vaccine In High Risk And General Adult Populations In Canada. Vaccine 2005;23(13):1549-58 

Brundage M, Feldman-Stewart D, Leis A, Bezjak A, Degner L, Velji K, Zetes-Zanatta L, Tu D, Ritvo P, Pater J. Communicating quality of life information to cancer patients: a study of six presentation formats. J Clin Oncol. 2005 ;23(28):6949-56.  

Ritvo P, Wilson, K. Willms D, Upshur, R, Goldman A, Rosenthal KS, Kaul, R., Kelvin, D, Rinfret, A and Krahn, M  Vaccines in the public eye.  Nature Medicine 2005; 11 (4):

Ritvo, P, Irvine J, Naglie G, Tomlinson G, Bezjak A, Matthew A, Trachtenberg J, Krahn M. Reliability and validity of psychometric and utility quality of life instruments for prostate cancer. Journal of Clinical Epidemiology, 2005; 58 (5): 466-474 QL

Krahn M, Bremner KE, Tomlinson G, Ritvo P, Irvine J, Naglie G. Responsiveness of disease-specific and generic utility instruments in prostate cancer patients. Quality of Life Research. 2007 Apr;16(3):509-22.

Wilson, K., Barakat, M. Vohra, S., Ritvo, P. and Boon, H., Parental views on pediatric vaccination: the impact of competing advocacy coalitions. Public Understanding of Science 2008; 17: 231-243

Arpin-Cribbie, C. A., Irvine, J., Ritvo, P., Cribbie, R., Flett, G., & Hewitt, P. L.  Perfectionism and psychological distress: A modeling approach to understanding their therapeutic relationship. Journal of Rational-Emotive & Cognitive-Behavior Therapy, Vol. 26, No. 3. (2008), pp. 151-167.

Ritvo, P., Myers, R., Del Giudice, ME, Pazsat, L., Cotterchio, M., Howlett, R. Mai, V., Brown, P. Sullivan, T. and Rabeneck, L. Ontario Residents - Factorial Validity and Invariance of a Survey Measuring Psychosocial Correlates of CRC Screening Attitudes in Ontario, Canada. Cancer Epidemiology, Biomarkers and Prevention 2008 (17(11).

Ritvo, P., Myers, R., Del Giudice, ME, Pazsat, L., Cotterchio, M., Howlett, R. Mai, V., Brown, P. Sullivan, T. and Rabeneck, L. Ontario Residents - Unaware and Unready for FOBT Screening. Canadian Family Physician 2009 55: 176 -177.

Edwards SA, Chiarelli AM, Stewart L, Majpruz V, Ritvo P, Mai V. Predisposing factors associated with compliance to biennial breast screening among centers with and without nurses. Cancer Epidemiology Biomarkers and Prevention 2009 ;18(3):739-47.

Glendon, G., Frost, C.J., Andrulis, I., Hanna, D., John, E.M., Mulhall, C., Phipps, A.I., Thompson, A., Venne, V., Ritvo, P.  A qualitative study evaluating parental attitudes towards the creation of a female youth cohort (LEGACY) in the Breast Cancer Family Registry – Psycho-oncology. 2009 May 5. 

Lester RT, Ritvo P, Mills EJ, Kariri A, Karanja S, Chung MH, Jack W, Habyarimana J, Sadatsafavi M, Najafzadeh M, Marra CA, Estambale B, Ngugi E, Ball TB, Thabane L, Gelmon LJ, Kimani J, Ackers M, Plummer FA.  Effects of a mobile phone short message service on antiretroviral treatment adherence in Kenya (WelTel Kenya1): a randomised trial. Lancet. 2010 Nov 27;376(9755):1838-45. doi: 10.1016/S0140-6736(10)61997-6. 

Gesink D, Filsinger B, Mihic A, Norwood TA, Sarai Racey C, Perez D, Antal J, Ritvo P, Vernich L.  Cancer screening barriers and facilitators for under and never screened populations: A mixed methods study. Cancer Epidemiol. 2016 Dec;45:126-134. doi: 10.1016/j.canep.2016.10.015. Epub 2016 Oct 29.

Azam MA, Katz J, Mohabir V, Ritvo P.   Individuals with tension and migraine headaches exhibit increased heart rate variability during post-stress mindfulness meditation practice but a decrease during a post-stress control condition - A randomized, controlled experiment.  Int J Psychophysiol. 2016 Dec;110:66-74. doi: 10.1016/j.ijpsycho.2016.10.011. Epub 2016 Oct 18.

Wayne N, Cercone N, Li J, Zohar A, Katz J, Brown P, Ritvo P.  Data Mining of a Remote Behavioral Tracking System for Type 2 Diabetes Patients: A Prospective Cohort Study. JMIR Diabetes. 2016 Apr 6;1(1):e1. doi: 10.2196/diabetes.4506.

Ritvo P, Myers RE, Serenity M, Gupta S, Inadomi JM, Green BB, Jerant A, Tinmouth J, Paszat L, Pirbaglou M, Rabeneck L.  Taxonomy for colorectal cancer screening promotion: Lessons from recent randomized controlled trials.  Prev Med. 2017 Aug;101:229-234. 

Azam MA, Ritvo P, Fashler SR, Katz J.  Stressing the feedback: attention and cardiac vagal tone during a cognitive stress task. Cogn Emot. 2018 Jun;32(4):867-875. doi: 10.1080/02699931.2017.1346500. Epub 2017 Jul 7.

Ritvo P, Obadia M, Santa Mina D, Alibhai S, Sabiston C, Oh P, Campbell K, McCready D, Auger L, Jones JM.  Smartphone-Enabled Health Coaching Intervention (iMOVE) to Promote Long-Term Maintenance of Physical Activity in Breast Cancer Survivors: Protocol for a Feasibility Pilot Randomized Controlled Trial.  JMIR Res Protoc. 2017 Aug 24;6(8):e165. doi: 10.2196/resprot.6615.

Kirk MA, Amiri M, Pirbaglou M, Ritvo P.   Wearable Technology and Physical Activity Behavior Change in Adults With Chronic Cardiometabolic Disease: A Systematic Review and Meta-Analysis.  Am J Health Promot. 2019 Jun;33(5):778-791. doi: 10.1177/0890117118816278. Epub 2018 Dec 26.

Rahman QA, Janmohamed T, Pirbaglou M, Clarke H, Ritvo P, Heffernan JM, Katz J.  Defining and Predicting Pain Volatility in Users of the Manage My Pain App: Analysis Using Data Mining and Machine Learning Methods. J Med Internet Res. 2018 Nov 15;20(11):e12001. doi: 10.2196/12001.

Alibhai SMH, Ritvo P, Santa Mina D, Sabiston C, Krahn M, Tomlinson G, Matthew A, Lukka H, Warde P, Durbano S, O'Neill M, Culos-Reed SN. Protocol for a phase III RCT and economic analysis of two exercise delivery methods in men with PC on ADT.  BMC Cancer. 2018 Oct 23;18(1):1031. doi: 10.1186/s12885-018-4937-x.

Pirbaglou M, Katz J, Motamed M, Pludwinski S, Walker K, Ritvo P.  Personal Health Coaching as a Type 2 Diabetes Mellitus Self-Management Strategy: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Am J Health Promot. 2018 Sep;32(7):1613-1626. doi: 10.1177/0890117118758234. Epub 2018 Apr 15.

Othman N, Ahmad F, El Morr C, Ritvo P.  Perceived impact of contextual determinants on depression, anxiety and stress: a survey with university students.  Int J Ment Health Syst. 2019 Mar 26;13:17. doi: 10.1186/s13033-019-0275-x. eCollection 2019.

Alibhai SMH, Santa Mina D, Ritvo P, Tomlinson G, Sabiston C, Krahn M, Durbano S, Matthew A, Warde P, O'Neill M, Timilshina N, Segal R, Culos-Reed N.  A phase II randomized controlled trial of three exercise delivery methods in men with prostate cancer on androgen deprivation therapy. BMC Cancer. 2019 Jan 3;19(1):2. doi: 10.1186/s12885-018-5189-5.

Santa Mina D, Au D, Auger LE, Alibhai SMH, Matthew AG, Sabiston CM, Oh P, Ritvo PG, Chang EB, Jones JM. Development, implementation, and effects of a cancer center's exercise-oncology program. Cancer. 2019 Oct 1;125(19):3437-3447. doi: 10.1002/cncr.32297. 

Ritvo P, Daskalakis ZJ, Tomlinson G, Ravindran A, Linklater R, Kirk Chang M, Knyahnytska Y, Lee J, Alavi N, Bai S, Harber L, Jain T, Katz J. An Online Mindfulness-Based Cognitive Behavioral Therapy Intervention for Youth Diagnosed With Major Depressive Disorders: Protocol for a Randomized Controlled Trial.  JMIR Res Protoc. 2019 Jul 29;8(7):e11591. doi: 10.2196/11591.

Other Research Outputs

Development, implementation, and effects of a cancer center's exercise-oncology program.

Santa Mina D, Au D, Auger LE, Alibhai SMH, Matthew AG, Sabiston CM, Oh P, Ritvo PG, Chang EB, Jones JM.

Cancer. 2019 Oct 1;125(19):3437-3447. doi: 10.1002/cncr.32297. Epub 2019 Jun 17.



Currently available to supervise graduate students: Yes

Currently taking on work-study students, Graduate Assistants or Volunteers: Yes

Available to supervise undergraduate thesis projects: Yes

Current Research

Ethnic differences in perception of physical activity. Physical and psychological strength in male youth from modest socioeconomic backgrounds. Health behaviour change in the prevention and treatment of chronic disease, particularly cancer. Emphasis on intervention delivery via group therapy, telephone, print and interactive internet programming. Further emphasis on evaluating effects through innovative approaches to quality of life assessment.