Kopec, Jacek A.

The Quebec Back Pain Disability Scale: Conceptualization and development

Kopec, J. A., Esdaile, J. M., Abrahamowicz, M., Abenhaim, L., Wood-Dauphinee, S., Lamping, D. L., & Williams, J. I. (1996) · Journal of Clinical Epidemiology

Musculoskeletal pain and rehabilitationPsychometric Methodologies and Testing

Cited by 242

Bias in case-control studies. A review.

Kopec, J. A., & Esdaile, J. M. (1990) · Journal of Epidemiology and Community Health

Statistical Methods in EpidemiologyMeta-analysis and systematic reviews

Cited by 190

Randomized discontinuation trials: Utility and efficiency

Kopec, J. A., Abrahamowicz, M., & Esdaile, J. M. (1993) · Journal of Clinical Epidemiology

Statistical Methods in Clinical TrialsOptimal Experimental Design Methods

Cited by 134

Statin discontinuation and risk of acute myocardial infarction in patients with rheumatoid arthritis: a population-based cohort study

De Vera, M. A., Choi, H., Abrahamowicz, M., Kopec, J., Goycochea-Robles, M. V., & Lacaille, D. (2011) · Annals of the Rheumatic Diseases

Lipoproteins and Cardiovascular HealthRheumatoid Arthritis Research and Therapies

Cited by 64

Self-reported physical and mental health status and quality of life in adolescents: a latent variable mediation model

Sawatzky, R., Ratner, P. A., Johnson, J. L., Kopec, J. A., & Zumbo, B. D. (2010) · Health and Quality of Life Outcomes

Adolescent Health and BehaviorsChild and Adolescent Psychosocial and Emotional Development

Cited by 52