Leona Hakkaart‐van Roijen

The friction cost method for measuring indirect costs of disease

Marc Koopmanschap, Frans Rutten, B. Martin van Ineveld et al. · Journal of Health Economics · 1995 · 1.1K citations

Preventive Medicine, Health Economics, Friction Cost Method +9

The iMTA Productivity Cost Questionnaire

Clazien Bouwmans, Marieke Krol, Hans Severens et al. · Value in Health · 2015 · 457 citations

Productivity, Economics, Cost Issue +5

The Economic Burden of Personality Disorders in Mental Health Care

Djøra I. Soeteman, Leona Hakkaart‐van Roijen, Roel Verheul et al. · The Journal of Clinical Psychiatry · 2008 · 414 citations

Feasibility, reliability and validity of a questionnaire on healthcare consumption and productivity loss in patients with a psychiatric disorder (TiC-P)

Clazien Bouwmans, Kim de Jong, Reinier Timman et al. · BMC Health Services Research · 2013 · 404 citations · Full text

Labor and Health Status in Economic Evaluation of Health Care: <i>The Health and Labor Questionnaire</i>

Leona Hakkaart‐van Roijen, Marie‐Louise Essink‐Bot, M Koopmanschap et al. · International Journal of Technology Assessment in Health Care · 1996 · 303 citations