Allebeck P, Mastekaasa A: Swedish Council on Technology Assessment in Health Care (SBU). Chapter 5. Risk factors for sick leave - general studies. Scand J Public Health Suppl. 2004, 63: 49-108.
Allebeck P, Mastekaasa A: Swedish Council on Technology Assessment in Health Care (SBU). Chapter 3. Causes of sickness absence: research approaches and explanatory models. Scand J Public Health Suppl. 2004, 63: 36-43.
Alexanderson K, Norlund A: Swedish Council on Technology Assessment in Health Care (SBU). Chapter 1. Aim, background, key concepts, regulations, and current statistics. Scand J Public Health Suppl. 2004, 63: 12-30.
Hensing G, Alexanderson K, Allebeck P, Bjurulf P: How to measure sickness absence? Literature review and suggestion of five basic measures. Scand J Soc Med. 1998, 26 (2): 133-144.
Burdorf A, Post W, Bruggeling T: Reliability of a questionnaire on sickness absence with specific attention to absence due to back pain and respiratory complaints. Occup Environ Med. 1996, 53 (1): 58-62. 10.1136/oem.53.1.58.
Severens JL, Mulder J, Laheij RJ, Verbeek AL: Precision and accuracy in measuring absence from work as a basis for calculating productivity costs in The Netherlands. Soc Sci Med. 2000, 51 (2): 243-249. 10.1016/S0277-9536(99)00452-9.
Hensing G: Swedish Council on Technology Assessment in Health Care (SBU). Chapter 4. Methodological aspects in sickness-absence research. Scand J Public Health Suppl. 2004, 63: 44-48.
Ferrie JE, Kivimaki M, Head J, Shipley MJ, Vahtera J, Marmot MG: A comparison of self-reported sickness absence with absences recorded in employers' registers: evidence from the Whitehall II study. Occup Environ Med. 2005, 62 (2): 74-79. 10.1136/oem.2004.013896.
Short ME, Goetzel RZ, Pei X, Tabrizi MJ, Ozminkowski RJ, Gibson TB, et al: How accurate are self-reports? Analysis of self-reported health care utilization and absence when compared with administrative data. J Occup Environ Med. 2009, 51 (7): 786-796. 10.1097/JOM.0b013e3181a86671.
Revicki DA, Irwin D, Reblando J, Simon GE: The accuracy of self-reported disability days. Med Care. 1994, 32 (4): 401-404. 10.1097/00005650-199404000-00008.
van Poppel MN, de Vet HC, Koes BW, Smid T, Bouter LM: Measuring sick leave: a comparison of self-reported data on sick leave and data from company records. Occup Med (Lond). 2002, 52 (8): 485-490. 10.1093/occmed/52.8.485.
Laestadius JG, Ye J, Dimberg L: Can we trust the answers? Reliability and validity of self-reported sick leave due to musculoskeletal symptoms. J Occup Environ Med. 2008, 50 (6): 611-613. 10.1097/JOM.0b013e31816fd6cd.
Voss M, Stark S, Alfredsson L, Vingard E, Josephson M: Comparisons of self-reported and register data on sickness absence among public employees in Sweden. Occup Environ Med. 2008, 65 (1): 61-67. 10.1136/oem.2006.031427.
Pole JD, Franche RL, Hogg-Johnson S, Vidmar M, Krause N: Duration of work disability: a comparison of self-report and administrative data. Am J Ind Med. 2006, 49 (5): 394-401. 10.1002/ajim.20300.
Dasinger LK, Krause N, Deegan LJ, Brand RJ, Rudolph L: Duration of work disability after low back injury: a comparison of administrative and self-reported outcomes. Am J Ind Med. 1999, 35 (6): 619-631. 10.1002/(SICI)1097-0274(199906)35:6<619::AID-AJIM9>3.0.CO;2-I.
Merkesdal S, Ruof J, Huelsemann JL, Mittendorf T, Handelmann S, Mau W, et al: Indirect cost assessment in patients with rheumatoid arthritis (RA): comparison of data from the health economic patient questionnaire HEQ-RA and insurance claims data. Arthritis Rheum. 2005, 53 (2): 234-240. 10.1002/art.21080.
Fredriksson K, Toomingas A, Torgen M, Thorbjornsson CB, Kilbom A: Validity and reliability of self-reported retrospectively collected data on sick leave related to musculoskeletal diseases. Scand J Work Environ Health. 1998, 24 (5): 425-431. 10.5271/sjweh.365.
Epidemiology FL: When an entire country is a cohort. Science. 2000, 287 (5462): 2398-2399. 10.1126/science.287.5462.2398.
The national labour market authority: DREAM. . 2009, Copenhagen: The national labour market authority, 1-97.
Johansen K, Andersen JS, Mikkelsen S, Pass O, Raffnsoe S, Lynge E: Controlling sickness absence: a study of changes in the Danish sickness absence legislation since 1973. Health Policy. 2008, 86 (1): 109-118. 10.1016/j.healthpol.2007.10.006.
Christiansen D, Larsen K, Jensen OK, Nielsen CV: Pain response classification does not predict long-term outcome in patients with low back pain who are sick-listed. J Orthop Sports Phys Ther. 2010, 40 (10): 606-615.
Jensen C, Jensen OK, Christiansen DH, Nielsen CV: One-year follow-up in employees sick-listed because of low back pain: Randomised clinical trial comparing multidisciplinary and brief intervention. Spine (Phila Pa 1976 ). 2011, 36 (15): 1180-1189. 10.1097/BRS.0b013e3181eba711.
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 (8): 659-675. 10.1016/j.spinee.2010.03.026.
Labriola M, Lund T, Christensen KB, Kristensen TS: Multilevel analysis of individual and contextual factors as predictors of return to work. J Occup Environ Med. 2006, 48 (11): 1181-1188. 10.1097/01.jom.0000243359.52562.a5.
Labriola M, Lund T, Christensen KB, Albertsen K, Bultmann U, Jensen JN, et al: Does self-efficacy predict return-to-work after sickness absence? A prospective study among 930 employees with sickness absence for three weeks or more. Work. 2007, 29 (3): 233-238.
Lund T, Labriola M, Christensen KB, Bultmann U, Villadsen E: Return to work among sickness-absent Danish employees: prospective results from the Danish work environment cohort study/national register on social transfer payments. Int J Rehabil Res. 2006, 29 (3): 229-235. 10.1097/01.mrr.0000210056.24915.c2.
Stapelfeldt CM, Christiansen DH, Jensen OK, Nielsen CV, Petersen KD, Jensen C: Subgroup analyses on return to work in sick-listed employees with low back pain in a randomised trial comparing brief and multidisciplinary intervention. BMC Musculoskelet Disord. 2011, 12: 112-10.1186/1471-2474-12-112.
Clausen T, Christensen KB, Lund T, Kristiansen J: Self-reported noise exposure as a risk factor for long-term sickness absence. Noise Health. 2009, 11 (43): 93-97. 10.4103/1463-1741.50693.
Hansen CD, Andersen JH: Sick at work–a risk factor for long-term sickness absence at a later date?. J Epidemiol Comm Health. 2009, 63 (5): 397-402. 10.1136/jech.2008.078238.
Holtermann A, Hansen JV, Burr H, Sogaard K: Prognostic factors for long-term sickness absence among employees with neck-shoulder and low-back pain. Scand J Work Environ Health. 2010, 36 (1): 34-41. 10.5271/sjweh.2883.
Tuchsen F, Christensen KB, Nabe-Nielsen K, Lund T: Does evening work predict sickness absence among female carers of the elderly?. Scand J Work Environ Health. 2008, 34 (6): 483-486. 10.5271/sjweh.1287.
Tuchsen F, Christensen KB, Lund T: Shift work and sickness absence. Occup Med (Lond). 2008, 58 (4): 302-304. 10.1093/occmed/kqn019.
Bang CK, Lund T, Labriola M, Villadsen E, Bultmann U: The fraction of long-term sickness absence attributable to work environmental factors: prospective results from the Danish work environment cohort study. Occup Environ Med. 2007, 64 (7): 487-489. 10.1136/oem.2006.028563.
Bultmann U, Rugulies R, Lund T, Christensen KB, Labriola M, Burr H: Depressive symptoms and the risk of long-term sickness absence: A prospective study among 4747 employees in Denmark. Soc Psychiatry Psychiatr Epidemiol. 2006, 41 (11): 875-880. 10.1007/s00127-006-0110-y.
Christensen KB, Lund T, Labriola M, Bultmann U, Villadsen E: The impact of health behaviour on long term sickness absence: results from DWECS/DREAM. Ind Health. 2007, 45 (2): 348-351. 10.2486/indhealth.45.348.
Christensen KB, Labriola M, Lund T, Kivimaki M: Explaining the social gradient in long-term sickness absence: a prospective study of Danish employees. J Epidemiol Comm Health. 2008, 62 (2): 181-183. 10.1136/jech.2006.056135.
Labriola M, Christensen KB, Lund T, Nielsen ML, Diderichsen F: Multilevel analysis of workplace and individual risk factors for long-term sickness absence. J Occup Environ Med. 2006, 48 (9): 923-929. 10.1097/01.jom.0000229783.04721.d2.
Lund T, Labriola M, Christensen KB, Bultmann U, Villadsen E, Burr H: Psychosocial work environment exposures as risk factors for long-term sickness absence among Danish employees: results from DWECS/DREAM. J Occup Environ Med. 2005, 47 (11): 1141-1147. 10.1097/01.jom.0000174301.80318.f2.
Lund T, Labriola M, Christensen KB, Bultmann U, Villadsen E: Physical work environment risk factors for long term sickness absence: prospective findings among a cohort of 5357 employees in Denmark. BMJ. 2006, 332 (7539): 449-452. 10.1136/bmj.38731.622975.3A.
Lund T, Labriola M, Villadsen E: Who is at risk for long-term sickness absence? A prospective cohort study of Danish employees. Work. 2007, 28 (3): 225-230.
Lund T, Kivimaki M, Labriola M, Villadsen E, Christensen KB: Using administrative sickness absence data as a marker of future disability pension: the prospective DREAM study of Danish private sector employees. Occup Environ Med. 2008, 65 (1): 28-31. 10.1136/oem.2006.031393.
Lund T, Kivimaki M, Christensen KB, Labriola M: Socio-economic differences in the association between sickness absence and mortality: the prospective DREAM study of Danish private sector employees. Occup Environ Med. 2009, 66 (3): 150-153. 10.1136/oem.2008.040154.
Hjollund NH, Larsen FB, Andersen JH: Register-based follow-up of social benefits and other transfer payments: accuracy and degree of completeness in a Danish interdepartmental administrative database compared with a population-based survey. Scand J Public Health. 2007, 35 (5): 497-502. 10.1080/14034940701271882.
Borg V: Working in eldercare. 2009, Copenhagen, Denmark: National Research Centre for the Working Environment
Local government Denmark: Facts: The municipal employees. 2011, Website 2011 December 21Available from: URL: http://www.kl.dk/Om-KL/Artikler/93186/2011/12/Faktaark-De-kommunalt-ansatte