• 1
    McAlindon TE, Cooper C, Kirwan JR, Dieppe PA. Knee pain and disability in the community. Br J Rheumatol 1992; 31: 18992.
  • 2
    Dieppe PA, Lohmander LS. Pathogenesis and management of pain in osteoarthritis. Lancet 2005; 365: 96573.
  • 3
    Woolhead GM, Donovan JL, Chard JA, Dieppe PA. Who should have priority for a knee joint replacement? Rheumatology (Oxford) 2002; 41: 3904.
  • 4
    Adamson J, Gooberman-Hill R, Woolhead G, Donovan J. ‘Questerviews’: using questionnaires in qualitative interviews as a method of integrating qualitative and quantitative health services research. J Health Services Res Policy 2004; 9: 13945.
  • 5
    Mays N, Pope C. Qualitative research in health care. London: BMJ Books; 1999.
  • 6
    Kitzinger J. Qualitative research: introducing focus groups. BMJ 1995; 311: 299302.
  • 7
    Frankel S, Eachus J, Pearson N, Greenwood R, Chan P, Peters TJ, et al. Population requirement for primary hip-replacement surgery: a cross-sectional study. Lancet 1999; 353: 13049.
  • 8
    Nilsdotter AK, Lohmander LS, Klassbo M, Roos EM. Hip disability and osteoarthritis outcome score (HOOS): validity and responsiveness in total hip replacement. BMC Musculoskeletal Dis 2003; 4: 10.
  • 9
    Roos EM, Lohmander LS. The Knee injury and Osteoarthritis Outcome Score (KOOS): from joint injury to osteoarthritis [review]. Health Qual Life Outcomes 2003; 1: 64.
  • 10
    Bellamy N, Buchanan WW, Goldsmith CH, Campbell J, Stitt LW. Validation study of WOMAC: a health status instrument for measuring clinically important patient relevant outcomes to antirheumatic drug therapy in patients with osteoarthritis of the hip or knee. J Rheumatol 1988; 15: 183340.
  • 11
    Glaser BG, Strauss AL. The discovery of grounded theory. New York: Aldine de Gruyter; 1967.
  • 12
    Bellamy N, Sothern RB, Campbell J. Rhythmic variations in pain perception in osteoarthritis of the knee. J Rheumatol 1990; 17: 36472.
  • 13
    Croft P, Jordan K, Jinks C. “Pain elsewhere” and the impact of knee pain in older people. Arthritis Rheum 2005; 52: 23504.
  • 14
    Onder G, Cesari M, Russo A, Zamboni V, Bernabei R, Landi F. Association between daily pain and physical function among old-old adults living in the community: results from the ilSIRENTE study. Pain 2006; 121: 539.
  • 15
    Boersma K, Linton SJ. How does persistent pain develop? An analysis of the relationship between psychological variables, pain and function across stages of chronicity. Behav Res Ther 2005; 43: 1495507.
  • 16
    Cornwell J. Hard-earned lives: accounts of health and illness from East London. London: Tavistock; 1984.
  • 17
    Greenhalgh T, Hurwitz B. Why study narrative? BMJ 1999; 318: 4850.