D. Ramey, J. Fries, and G. Sing, Editor: Spikler B . The Health Assessment Questionnaire -Status and review . Quality of life and pharmacoeconomics in clinical trials

J. Kirwan, T. Heiberg, S. Hewlett, R. Hughes, T. Kvien et al., Outcomes from the Patient Perspective Workshop at OMERACT 6, J Rheumatol, vol.30, pp.868-72, 2003.

P. Tugwell, C. Bombardier, W. Buchanan, C. Goldsmith, E. Grace et al., The MACTAR Patient Preference Disability Questionnaire--an individualized functional priority approach for assessing improvement in physical disability in clinical trials in rheumatoid arthritis, J Rheumatol, vol.14, pp.446-51, 1987.

M. Bell, C. Bombardier, and P. Tugwell, Measurement of functional status, quality of life, and utility in rheumatoid arthritis, Arthritis & Rheumatism, vol.105, issue.4, pp.591-601, 1990.
DOI : 10.1002/art.1780330420

R. Meenan, P. Gertman, J. Mason, and R. Dunaif, The arthritis impact measurement scales. further investigations of a health status measure, Arthritis & Rheumatism, vol.24, issue.9, pp.1048-53, 1982.
DOI : 10.1002/art.1780250903

J. Ripat, E. Etcheverry, J. Cooper, and R. Tate, A Comparison of the Canadian Occupational Performance Measure and the Health Assessment Questionnaire, Canadian Journal of Occupational Therapy, vol.68, issue.4, pp.247-53, 2001.
DOI : 10.1177/000841740106800408

P. Tugwell, G. Wells, V. Strand, A. Maetzel, C. Bombardier et al., Clinical improvement as reflected in measures of function and health-related quality of life following treatment with leflunomide compared with methotrexate in patients with rheumatoid arthritis: Sensitivity and relative efficiency to detect a treatment effect in a twelve-month, placebo-controlled trial, Arthritis & Rheumatism, vol.43, issue.3, pp.506-520, 2000.
DOI : 10.1002/1529-0131(200003)43:3<506::AID-ANR5>3.0.CO;2-U

A. Verhoeven, M. Boers, and S. Van-der-liden, Validity of the MACTAR questionnaire as a functional index in a rheumatoid arthritis clinical trial. The McMaster Toronto Arthritis, J Rheumatol, vol.27, pp.2801-2810, 2000.

P. Tugwell, C. Bombardier, W. Buchanan, C. Goldsmith, E. Grace et al., Methotrexate in rheumatoid arthritis. Impact on quality of life assessed by traditional standard-item and individualized patient preference health status questionnaires, Archives of Internal Medicine, vol.150, issue.1, pp.59-62, 1990.
DOI : 10.1001/archinte.150.1.59

B. Jolles, R. Buchbinder, and D. Beaton, A study compared nine patient-specific indices for musculoskeletal disorders, Journal of Clinical Epidemiology, vol.58, issue.8, pp.791-801, 2005.
DOI : 10.1016/j.jclinepi.2005.01.012

S. Hewlett, A. Smith, and J. Kirwan, Measuring the meaning of disability in rheumatoid arthritis: the Personal Impact Health Assessment Questionnaire (PI HAQ), Annals of the Rheumatic Diseases, vol.61, issue.11, pp.986-93, 2002.
DOI : 10.1136/ard.61.11.986

T. Pincus, J. Summey, S. Soraci, . Jr, K. Wallston et al., Assessment of patient satisfaction in activities of daily living using a modified stanford health assessment questionnaire, Arthritis & Rheumatism, vol.23, issue.11, pp.1346-53, 1983.
DOI : 10.1002/art.1780261107

M. Nguyen, M. Kabir, and P. Ravaud, Short-Term Efficacy and Safety of???Leflunomide in the Treatment of???Active Rheumatoid Arthritis in Everyday Clinical Use, Clinical Drug Investigation, vol.19, issue.12, pp.103-115, 2004.
DOI : 10.2165/00044011-200424020-00005

F. Arnett, S. Edworthy, D. Bloch, D. Mcshane, J. Fries et al., The american rheumatism association 1987 revised criteria for the classification of rheumatoid arthritis, Arthritis & Rheumatism, vol.143, issue.3, pp.315-339, 1988.
DOI : 10.1002/art.1780310302

F. Guillemin, S. Braincon, and J. Pourel, Measurement of the functional capacity in rheumatoid polyarthritis: a French adaptation of the Health Assessment Questionnaire (HAQ), Rev Rhum Mal Osteoartic, vol.58, pp.459-65, 1991.

B. Bruce and J. Fries, The Health Assessment Questionnaire (HAQ), Clin Exp Rheumatol, vol.23, pp.14-22, 2005.

L. Cronbach, Coefficient alpha and the internal structure of tests, Psychometrika, vol.8, issue.3, pp.297-334, 1951.
DOI : 10.1007/BF02310555

B. Efron and R. Tibshirani, An Introduction to the Bootstrap, 1993.
DOI : 10.1007/978-1-4899-4541-9

M. Liang, A. Fossel, and M. Larson, Comparisons of Five Health Status Instruments for Orthopedic Evaluation, Medical Care, vol.28, issue.7, pp.632-674, 1990.
DOI : 10.1097/00005650-199007000-00008

J. Husted, R. Cook, V. Farewell, and D. Gladman, Methods for assessing responsiveness, Journal of Clinical Epidemiology, vol.53, issue.5, pp.459-68, 2000.
DOI : 10.1016/S0895-4356(99)00206-1

D. Streiner and G. Norman, Health Measurement Scales: A Practical Guide to Their Developpement and Use, 1996.

S. Hewlett, A. Smith, and J. Kirwan, Values for function in rheumatoid arthritis: patients, professionals, and public, Annals of the Rheumatic Diseases, vol.60, issue.10, pp.928-961, 2001.
DOI : 10.1136/ard.60.10.928

C. Kwoh, . Connor-'gt, M. Regan-smith, E. Olmstead, L. Brown et al., Concordance between clinician and patient assessment of physical and mental health status, J Rheumatol, vol.19, pp.1031-1038, 1992.

E. Berkanovic, M. Hurwicz, and P. Lachenbruch, Concordant and discrepant views of patients' physical functioning, Arthritis Care & Research, vol.4, issue.2, pp.94-101, 1995.
DOI : 10.1002/art.1790080207

L. Gossec, M. Dougados, N. Rincheval, A. Balanescu, D. Boumpas et al., Elaboration of the preliminary Rheumatoid Arthritis Impact of Disease (RAID) score: a EULAR initiative, Annals of the Rheumatic Diseases, vol.68, issue.11, 2008.
DOI : 10.1136/ard.2008.100271

T. Gill and A. Feinstein, A Critical Appraisal of the Quality of Quality-of-Life Measurements, JAMA: The Journal of the American Medical Association, vol.272, issue.8, pp.619-645, 1994.
DOI : 10.1001/jama.1994.03520080061045

T. Kvien and T. Heiberg, Patient perspective in outcome assessments--perceptions or something more?, J Rheumatol, vol.30, pp.873-879, 2003.

T. Heiberg and T. Kvien, Preferences for improved health examined in 1,024 patients with rheumatoid arthritis: Pain has highest priority, Arthritis & Rheumatism, vol.5, issue.4, pp.391-398, 2002.
DOI : 10.1002/art.10515

R. Seror, F. Tubach, G. Baron, B. Falissard, I. Logeart et al., Individualising the Western Ontario and McMaster Universities osteoarthritis index (WOMAC) function subscale: incorporating patient priorities for improvement to measure functional impairment in hip or knee osteoarthritis, Annals of the Rheumatic Diseases, vol.67, issue.4, pp.494-503, 2008.
DOI : 10.1136/ard.2007.074591
URL : https://hal.archives-ouvertes.fr/inserm-00167833

F. Wolfe, Which HAQ is best? A comparison of the HAQ, MHAQ and RA-HAQ, a difficult 8 item HAQ (DHAQ), and a rescored 20 item HAQ (HAQ20): analyses in 2,491 rheumatoid arthritis patients following leflunomide initiation, J Rheumatol, vol.28, pp.982-991, 2001.