McTigue KM, Harris R, Hemphill B, Lux L, Sutton S, Bunton A, Lohr K: Screening and interventions for obesity in adults: Summary of the evidence for the U.S. Preventative Services Task Force. Ann Intern Med. 2003, 139 (11): 933-949.
House of Commons Health Committee: Obesity. Third Report of Session 2003–04. 2004, London. Stationery Office Limited, 1:
World Health Organization: Obesity and Overweight. Global strategy on Diet, Physical Activity and Health. [http://www.who.int/dietphysicalactivity/media/en/gsfs_obesity.pdf]
Felson DT, Anderson JJ, Naimark A, Walker AM, Meenan RF: Obesity and knee osteoarthritis. The Framingham Study. Ann Intern Med. 1988, 109 (1): 18-24.
Coggon D, Reading I, Croft P, McLaren M, Barrett D, Cooper C: Knee osteoarthritis and obesity. Int J Obes Relat Metab Disord. 2001, 25 (5): 622-7. 10.1038/sj.ijo.0801585.
Jinks C, Jordan K, Croft P: Measuring the population impact of knee pain and disability with the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). Pain. 2002, 100 (1–2): 55-64. 10.1016/S0304-3959(02)00239-7.
Webb R, Brammah T, Lunt M, Urwin M, Allison T, Symmons D: Opportunities for prevention of 'clinically significant' knee pain: results from a population-based cross sectional survey. J Public Health (Oxf). 2004, 26 (3): 277-84. 10.1093/pubmed/fdh162.
Gelber AC, Hochberg MC, Mead LA, Wang NY, Wigley FM, Klag MJ: Body mass index in young men and the risk of subsequent knee and hip osteoarthritis. Am J Med. 1999, 107 (6): 542-8. 10.1016/S0002-9343(99)00292-2.
Andersen RE, Crespo CJ, Bartlett SJ, Bathon JM, Fontaine KR: Relationship between body weight gain and significant knee pain in older Americans. Obesity Research. 2003, 11 (10): 1159-1162.
World Health Organization Scientific Group: The Burden of Musculoskeletal Conditions at the Start of the New Millennium. Technical Report Series 919. 2003, Geneva: World Health Organization
Urwin M, Symmons D, Allison T, Brammah T, Bushby H, Roxby M, Simmons A, Williams G: Estimating the burden of musculoskeletal disorders in the community: the comparative prevalence of symptoms at different anatomical sites, and the relation to social deprivation. Ann Rheum Dis. 1998, 57 (11): 649-655.
Thomas E, Peat G, Harris L, Wilkie R, Croft PR: The prevalence of pain and pain interference in a general population of older adults: cross-sectional findings from the North Staffordshire Osteoarthritis Project (NorStOP). Pain. 2004, 110: 361-368. 10.1016/j.pain.2004.04.017.
O'Reilly SC, Muir KR, Doherty M: Knee pain and disability in the Nottingham community: association with poor health status and psychological distress. Br J Rheumatol. 1998, 37 (8): 870-873. 10.1093/rheumatology/37.8.870.
Jinks C, Jordan K, Ong BN, Croft P: A brief screening tool for knee pain in primary care (KNEST). 2. Results from a survey in the general population aged 50 and over. Rheumatology. 2004, 43 (1): 55-61. 10.1093/rheumatology/keg438.
Felson DT, Zhang Y, Anthony JM, Naimark A, Anderson JJ: Weight loss reduces the risk for symptomatic knee osteoarthritis in women. The Framingham Study. Ann Intern Med. 1992, 116 (7): 535-9.
Leveille SG, Wee CC, Iezzoni LI: Trends in obesity and arthritis among baby boomers and their predecessors, 1971–2002. Am J Public Health. 2005, 95 (9): 1607-1613. 10.2105/AJPH.2004.060418.
Jinks C, Lewis M, Ong BN, Croft P: A brief screening tool for knee pain in primary care. I. Validity and reliability. Rheumatology. 2001, 40 (5): 528-536. 10.1093/rheumatology/40.5.528.
Bellamy N: WOMAC Osteoarthritis Index. A Users Guide. London, ON: University of Western Ontario. 1996
World Health Organization: Preventing and Managing the Global Epidemic of Obesity. Report of the World Health Organization Consultation on Obesity. Geneva: World Health Organization. 1997
Shrout P: Measurement reliability and agreement in psychiatry. Statistical Methods in Medical Research. 1998, 7: 301-17. 10.1191/096228098672090967.
Macfarlane GJ, Croft PR, Schollum J, Silman AJ: Widespread pain: is an improved classification possible?. J Rheumatol. 1996, 23 (9): 1628-32.
Zigmond AS, Snaith RP: The Hospital Anxiety and Depression Scale. Acta Psychiatr Scand. 1983, 67 (6): 361-370.
Herrmann C: International experiences with the Hospital Anxiety and Depression Scale – A review of validation data and clinical results. Journal of Psychosomatic Research. 1997, 42 (1): 17-40. 10.1016/S0022-3999(96)00216-4.
Townsend P, Phillimore P, Beattie A: Health and deprivation: inequality and the North. London, Croom Helm. 1988
Thompson ML, Myers JE, Kriebel D: Prevalence odds ratio or prevalence ratio in the analysis of cross sectional data: what is to be done?. Occup Environ Med. 1998, 55: 272-277.
Greenland S, Rothman KJ: Measures of Effect and Measures of Association. Modern Epidemiology. Edited by: Rothman KJ, Greenland S. 1998, Philadelphia, PA, Lippincott-Raven, 2
Jordan KM, Arden NK, Doherty M, Bannwarth B, Bijlsma JW, Dieppe P, Gunther K, Hauselmann H, Herrero-Beaumont G, Kaklamanis P, Lohmander S, Leeb B, Lequesne M, Maziers B, Martin-Mola E, Pavelka K, Pendleton A, Punzi L, Serni U, Swoboda B, Verbruggen C, Zimmerman-Gorska I, Dougados M, Standing Committee for International Clinical Studies Including Therapeutic Trials ESCISIT: Eular Recommendations 2003: an evidence based approach to the management of knee osteoarthritis: Report of a Task Force of the Standing Committee for International Clinical Studies Including Therapeutic Trials (ESCISIT). Ann Rheum Dis. 2003, 62: 1145-55. 10.1136/ard.2003.011742.
Messier SP, Loeser RF, Miller GD, Morgan TM, Rejeski WJ, Sevick MA, Ettinger WH, Pahor M, Williamson JD: Exercise and dietary weight loss in overweight and obese older adults with knee osteoarthritis: the Arthritis, Diet, and Activity Promotion Trial. Arthritis Rheum. 2004, 50 (5): 1501-10. 10.1002/art.20256.
Brawley L, Rejeski W, King A: Promoting physical activity for older adults. The challenges of changing behaviour. Am J Prev Med. 2003, 25 (3Sii): 172-83. 10.1016/S0749-3797(03)00182-X.
Roddy E, Zhang W, Doherty M, Arden NK, Barlow J, Birrell F, Carr A, Chakravarty K, Dickson J, Hay E, Hosie G, Hurley M, Jordan KM, McCarthy C, McMurdo M, Mockett S, O'Reilly S, Peat G, Pendleton A, Richards S: Evidence-based recommendations for the role of exercise in the management of osteoarthritis of the hip or knee- the MOVE consensus. Rheumatology. 2005, 44 (1): 67-73. 10.1093/rheumatology/keh399.
Mehrotra C, Naimi T, Serdula M, Bolen J, Pearson K: Arthritis, Body Mass Index, and professional advice to loose weight. Implications for Clinical Medicine and Public Health. Am Jn Prev Med. 2000, 27 (1): 16-21. 10.1016/j.amepre.2004.03.007.
Bowling A, Bond M, Jenkinson C, Lamping DL: Short form 36 (SF36) Health Survey questionnaire: which normative data should be used? Comparisons between the norms provided by the Omnibus Survey in Britain, Health Survey for England and the Oxford Life Survey. Journal of Public Health Medicine. 1999, 21 (3): 255-270.
Office for National Statistics. Population Mid-2000: Population change in size of selected age-groups within constituent countries of the United Kingdom, mid-1991 to mid-2000. [http://www.statistics.gov.uk/]
Kuczmarski M, Kuczmarski RJ, Najjar M: Effects of age on validity of self-reported height, weight, and body mass index: findings from the Third National Health and Nutrition Examination Survey 1988–1994. J Am Diet Ass. 101 (1): 28-34. 10.1016/S0002-8223(01)00008-6.
Department of Health: Health Survey for England. London: The Stationary Office. 1999
Sprangers MA, de Regt EB, Andries F, van Agt HM, Bijl RV, de Boer JB, Foets M, Hoeymans N, Jacobs AE, Kempen GI, Miedema HS, Tijhuis MA, de Haes HC: Which chronic conditions are associated with better or poorer quality of life?. J Clin Epidemiol. 2000, 53 (9): 895-907. 10.1016/S0895-4356(00)00204-3.