Spine PD0332991 manufacturer 29(16):1830–1832CrossRef Karasek R, Brisson C, Kawakami N, Houtman I, Bongers P, Amick B (1998) The Job Content Questionnaire
(JCQ): an instrument for internationally comparative assessments of psychosocial job characteristics. J Occup Health Psychol 3(4):322–355CrossRef Karlsson N, Skargrin E, Kristenson M (2010) Emotional support predicts more sickness absence and poorer self assessed work ability: a two year prospective cohort study. BMC Public Health 10:648CrossRef Kerr MS, Frank JW, Shannon HS, Norman RW, Wells RP, Neumann WP, Bombardier C (2001) Biomechanical and psychosocial risk factors for low back pain at work. Am J Public Health 91(7):1069–1075CrossRef Krause N, Ragland DR, Fisher JM, Syme SL (1998) Psychosocial job factors,
Smad inhibitor physical workload, and incidence of work-related spinal injury: a 5-year prospective study of urban transit Ilomastat operators. Spine 23(23):2507–2516CrossRef Kuijer W, Groothoff JW, Brouwer S, Geertzen JH, Dijkstra PU (2006) Prediction of sickness absence in patients with chronic low back pain: a systematic review. J Occup Rehabil 16(3):439–467 Lakke SE, Soer R, Takken T, Reneman MF (2009) Risk and prognostic factors for non-specific musculoskeletal pain: a synthesis of evidence from systematic reviews classified into ICF dimensions. Pain 147(1–3):153–164CrossRef Landsbergis PA, Schnall PL, Belkic KL, Baker D, Schwartz J, Pickering Vitamin B12 TG (2001) Work stressors and cardiovascular disease. Work 17(3):191–208 Larsman P, Hanse JJ (2009) The impact of decision latitude, psychological load and social support at work on the development of neck, shoulder and low back symptoms among female human service organization workers. Int J Ind Ergon 39:442–446CrossRef Leino PI, Hanninen V (1995) Psychosocial factors at work
in relation to back and limb disorders. Scand J Work Environ Health 21(2):134–142CrossRef Lotters F, Burdorf A (2006) Prognostic factors for duration of sickness absence due to musculoskeletal disorders. Clin J Pain 22:212–221CrossRef Mallen CD, Peat G, Thomas E, Dunn KM, Croft PR (2007) Prognostic factors for musculoskeletal pain in primary care: a systematic review. Br J Gen Pract 57(541):655–661 Masters KS, Stillman AM, Spielmans GI (2007) Specificity of social support. Medicine 30(1):11–20 Mielenz TJ, Garrett JM, Carey TS (2008) Association of psychosocial work characteristics with low back pain outcomes. Spine 33(11):1270–1275CrossRef Morken T, Riise T, Moen B, Hauge SHV, Holien S, Langedrag A, Pedersen S, Saue ILL, Seljebo GM, Thoppil V (2003) Low back pain and widespread pain predict sickness absence among industrial workers. BMC Musculoskelet Disord 4:1–8CrossRef Papageorgiou AC, Croft PR, Ferry S, Jayson MI, Silman AJ (1995) Estimating the prevalence of low back pain in the general population. Evidence from the South Manchester Back Pain Survey.