Hoy D, March L, Brooks P, Woolf A, Blyth F, Vos T, Buchbinder R: Measuring the global burden of low back pain. Best Pract Res Clin Rheumatol. 2010, 24: 155-165. 10.1016/j.berh.2009.11.002.
Article
PubMed
Google Scholar
Manchikanti L, Singh V, Datta S, Cohen SP, Hirsch JA: Comprehensive review of epidemiology, scope, and impact of spinal pain. Pain Physician. 2009, 12: E35-70.
PubMed
Google Scholar
Hayden JA, Dunn KM, van der Windt DA, Shaw WS: What is the prognosis of back pain?. Best Pract Res Clin Rheumatol. 2010, 24: 167-179. 10.1016/j.berh.2009.12.005.
Article
CAS
PubMed
Google Scholar
Hayden JA, Chou R, Hogg-Johnson S, Bombardier C: Systematic reviews of low back pain prognosis had variable methods and results: guidance for future prognosis reviews. J Clin Epidemiol. 2009, 62: 781-796. 10.1016/j.jclinepi.2008.09.004. e781
Article
CAS
PubMed
Google Scholar
Lakke SE, Soer R, Takken T, Reneman MF: Risk and prognostic factors for non-specific musculoskeletal pain: a synthesis of evidence from systematic reviews classified into ICF dimensions. Pain. 2009, 147: 153-164. 10.1016/j.pain.2009.08.032.
Article
PubMed
Google Scholar
Hurwitz EL, Morgenstern H, Chiao C: Effects of recreational physical activity and back exercises on low back pain and psychological distress: findings from the UCLA Low Back Pain Study. Am J Public Health. 2005, 95: 1817-1824. 10.2105/AJPH.2004.052993.
Article
PubMed
PubMed Central
Google Scholar
Langevin HM, Sherman KJ: Pathophysiological model for chronic low back pain integrating connective tissue and nervous system mechanisms. Med Hypotheses. 2007, 68: 74-80. 10.1016/j.mehy.2006.06.033.
Article
PubMed
Google Scholar
Shiri R, Karppinen J, Leino-Arjas P, Solovieva S, Viikari-Juntura E: The association between obesity and low back pain: a meta-analysis. Am J Epidemiol. 2009, 171: 135-154.
Article
PubMed
Google Scholar
May S: Self-management of chronic low back pain and osteoarthritis. Nat Rev Rheumatol. 2010, 6: 199-209. 10.1038/nrrheum.2010.26.
Article
PubMed
Google Scholar
Hendrick P, Milosavljevic S, Hale L, Hurley DA, McDonough S, Ryan B, Baxter GD: The relationship between physical activity and low back pain outcomes: a systematic review of observational studies. Eur Spine J. 2011, 20: 464-474. 10.1007/s00586-010-1616-2.
Article
PubMed
Google Scholar
Bjorck-van Dijken C, Fjellman-Wiklund A, Hildingsson C: Low back pain, lifestyle factors and physical activity: a population based-study. J Rehabil Med. 2008, 40: 864-869.
Article
PubMed
Google Scholar
Chenot JF, Becker A, Leonhardt C, Keller S, Donner-Banzhoff N, Hildebrandt J, Basler HD, Baum E, Kochen MM, Pfingsten M: Sex differences in presentation, course, and management of low back pain in primary care. Clin J Pain. 2008, 24: 578-584. 10.1097/AJP.0b013e31816ed948.
Article
PubMed
Google Scholar
Steenstra IA, Verbeek JH, Heymans MW, Bongers PM: Prognostic factors for duration of sick leave in patients sick listed with acute low back pain: a systematic review of the literature. Occup Environ Med. 2005, 62: 851-860. 10.1136/oem.2004.015842.
Article
CAS
PubMed
PubMed Central
Google Scholar
Swedish population and residence register (FoB). [http://www.scb.se/Pages/List____257507.aspx]
Kuorinka I, Jonsson B, Kilbom A, Vinterberg H, Biering-Sorensen F, Andersson G, Jorgensen K: Standardised Nordic questionnaires for the analysis of musculoskeletal symptoms. Appl Ergon. 1987, 18: 233-237. 10.1016/0003-6870(87)90010-X.
Article
CAS
PubMed
Google Scholar
Turk DC, Melzack R: Handbook of pain assessment. 2011, New York ; London: Guilford, 463-3
Google Scholar
Leijon O, Wiktorin C, Harenstam A, Karlqvist L: Validity of a self-administered questionnaire for assessing physical work loads in a general population. J Occup Environ Med. 2002, 44: 724-735.
Article
PubMed
Google Scholar
World Health Organisation, BMI classification. [http://apps.who.int/bmi/index.jsp?introPage=intro_3.html]
Goldberg DP, Gater R, Sartorius N, Ustun TB, Piccinelli M, Gureje O, Rutter C: The validity of two versions of the GHQ in the WHO study of mental illness in general health care. Psychol Med. 1997, 27: 191-197. 10.1017/S0033291796004242.
Article
CAS
PubMed
Google Scholar
McDowell I: Measuring health a guide to rating scales and questionnaires. 2006, New York: Oxford: Oxford University Press, 180-184-259-272. 3
Book
Google Scholar
Unden AL, Orth-Gomer K: Development of a social support instrument for use in population surveys. Soc Sci Med. 1989, 29: 1387-1392. 10.1016/0277-9536(89)90240-2.
Article
CAS
PubMed
Google Scholar
Statistics Sweden: Meddelanden i samordningsfrågor för Sveriges officiella statistik (MIS),Socioekonomisk indelning (Socio-economic classification system), report No. 1982:4. 1984, Stockholm: Statistics Sweden, 6-8.
Google Scholar
Sanne B, Torp S, Mykletun A, Dahl AA: The Swedish Demand-Control-Support Questionnaire (DCSQ): factor structure, item analyses, and internal consistency in a large population. Scand J Public Health. 2005, 33: 166-174. 10.1080/14034940410019217.
Article
PubMed
Google Scholar
Perruccio AV, Power JD, Badley EM: Arthritis onset and worsening self-rated health: a longitudinal evaluation of the role of pain and activity limitations. Arthritis Rheum. 2005, 53: 571-577. 10.1002/art.21317.
Article
PubMed
Google Scholar
Janszky I, Ahlbom A, Svensson AC: The Janus face of statistical adjustment: confounders versus colliders. Eur J Epidemiol. 2010, 25: 361-363. 10.1007/s10654-010-9462-4.
Article
PubMed
Google Scholar
Ware JE, Sherbourne CD: The MOS 36-item short-form health survey (SF-36). I. Conceptual framework and item selection. Med Care. 1992, 30: 473-483. 10.1097/00005650-199206000-00002.
Article
PubMed
Google Scholar
Rothman KJ, Greenland S, Lash TL: Modern epidemiology. 2008, Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 28-30. 138-144, 622, 3
Google Scholar
Tong IS, Lu Y: Identification of confounders in the assessment of the relationship between lead exposure and child development. Ann Epidemiol. 2001, 11: 38-45. 10.1016/S1047-2797(00)00176-9.
Article
CAS
PubMed
Google Scholar
Jacob T, Baras M, Zeev A, Epstein L: A longitudinal, community-based study of low back pain outcomes. Spine. 2004, 29: 1810-1817. 10.1097/01.BRS.0000135834.87106.19.
Article
PubMed
Google Scholar
Mortimer M, Pernold G, Wiktorin C: Low back pain in a general population. Natural course and influence of physical exercise--a 5-year follow-up of the Musculoskeletal Intervention Center-Norrtalje Study. Spine. 2006, 31: 3045-3051. 10.1097/01.brs.0000250324.03210.3f.
Article
PubMed
Google Scholar
Jensen OK, Nielsen CV, Stengaard-Pedersen K: One-year prognosis in sick-listed low back pain patients with and without radiculopathy. Prognostic factors influencing pain and disability. Spine J. 2010, 10: 659-675. 10.1016/j.spinee.2010.03.026.
Article
PubMed
Google Scholar
Von Korff M, Saunders K: The course of back pain in primary care. Spine. 1996, 21: 2833-2837. 10.1097/00007632-199612150-00004. discussion 2838-2839
Article
CAS
PubMed
Google Scholar
Pedersen BK, Saltin B: Evidence for prescribing exercise as therapy in chronic disease. Scand J Med Sci Sports. 2006, 16 (Suppl 1): 3-63.
Article
PubMed
Google Scholar
Warburton DE, Nicol CW, Bredin SS: Health benefits of physical activity: the evidence. CMAJ. 2006, 174: 801-809. 10.1503/cmaj.051351.
Article
PubMed
PubMed Central
Google Scholar
Fillingim RB, King CD, Ribeiro-Dasilva MC, Rahim-Williams B, Riley JL: Sex, gender, and pain: a review of recent clinical and experimental findings. J Pain. 2009, 10: 447-485.
Article
PubMed
PubMed Central
Google Scholar
Smith BH, Torrance N, Macfarlane GJ: Epidemiology of back pain, from the laboratory to the bus stop: Pshychosocial risk factors, biological mechanisms. and interventions in population-based research. From acute to chronic back pain: risk factors, mechanisms, and clinical implications. Edited by: Hasenbring MI, Rusu AC, Turk DC. 2012, Oxford: Oxford University Press, 3-20.
Chapter
Google Scholar
Kamper SJ, Stanton TR, Williams CM, Maher CG, Hush JM: How is recovery from low back pain measured? A systematic review of the literature. Eur Spine J. 2011, 20: 9-18. 10.1007/s00586-010-1477-8.
Article
PubMed
Google Scholar
Stanton TR, Latimer J, Maher CG, Hancock MJ: A modified Delphi approach to standardize low back pain recurrence terminology. Eur Spine J. 2011, 20: 744-752. 10.1007/s00586-010-1671-8.
Article
PubMed
Google Scholar
De Vet HC, Heymans MW, Dunn KM, Pope DP, Van Der Beek AJ, Macfarlane GJ, Bouter LM, Croft PR: Episodes of low back pain: a proposal for uniform definitions to be used in research. Spine (Phila Pa 1976). 2002, 27: 2409-2416. 10.1097/00007632-200211010-00016.
Article
Google Scholar
Lin CW, McAuley JH, Macedo L, Barnett DC, Smeets RJ, Verbunt JA: Relationship between physical activity and disability in low back pain: A systematic review and meta-analysis. Pain. 2011, 152: 607-613. 10.1016/j.pain.2010.11.034.
Article
PubMed
Google Scholar
Okorodudu DO, Jumean MF, Montori VM, Romero-Corral A, Somers VK, Erwin PJ, Lopez-Jimenez F: Diagnostic performance of body mass index to identify obesity as defined by body adiposity: a systematic review and meta-analysis. Int J Obes (Lond). 2010, 34: 791-799. 10.1038/ijo.2010.5.
Article
CAS
Google Scholar
Pincus T, Santos R, Breen A, Burton AK, Underwood M: A review and proposal for a core set of factors for prospective cohorts in low back pain: a consensus statement. Arthritis Rheum. 2008, 59: 14-24. 10.1002/art.23251.
Article
PubMed
Google Scholar
Ekelund U, Sepp H, Brage S, Becker W, Jakes R, Hennings M, Wareham NJ: Criterion-related validity of the last 7-day, short form of the International Physical Activity Questionnaire in Swedish adults. Public Health Nutr. 2006, 9: 258-265.
Article
PubMed
Google Scholar
Kristman V, Manno M, Cote P: Loss to follow-up in cohort studies: how much is too much?. Eur J Epidemiol. 2004, 19: 751-760.
Article
PubMed
Google Scholar