Publications and Presentations
Key publications:
VOLP Development and Validation
Zhang W, Bansback N, Boonen A, Severens JL, Anis AH. Development of a composite questionnaire, the valuation of lost productivity, to value productivity losses: application in rheumatoid arthritis. Value Health. 2012 Jan;15(1):46-54
Zhang W, Bansback N, Kopec J, Anis AH. Measuring time input loss among patients with rheumatoid arthritis: validity and reliability of the Valuation of Lost Productivity questionnaire. J Occup Environ Med. 2011 May;53(5):530-6.
Gelfand A, Sou J, Sawatzky R, Prescott K, Pearce A, Anis AH, Lee C, Zhang W. Valuation of lost productivity in caregivers: A validation study. Frontiers in Psychology. 2021;12:727871.
Theory and Empirical Support
Zhang W, Sun H, Woodcock S, Anis A. Valuing productivity loss due to absenteeism: Firm-level evidence from a Canadian linked employer-employee survey. Health Econ Rev. 2017; 7: 3.
Zhang W, Sun H, Woodcock S, Anis AH. Illness related wage and productivity losses: Valuing 'presenteeism'. Social Science & Medicine. 2015;147:62-71.
Zhang W, Bansback N, Anis A. Measuring and valuing productivity loss due to poor health: A critical review. Social Science and Medicine. 2011 Jan;72(2):185-92.
Posters:
1. ACR/ARHP Annual Meeting 2013
(right click to open image in a new tab for a large image)
2. Canadian Arthritis Network 2010
(right click to open image in a new tab for a large image)
3. European League Against Rheumatism 2010
(right click to open image in a new tab for a large image)
4. European League Against Rheumatism 2008
(right click to open image in a new tab for a large image)