(2008) Iran Industrial workers Prospective 1 year study Psychosocial factors predictive
of risk of LBP in workers MUSIC measure—assesses the presence of aches and pain in lower back GWS measure (unspecified) No significant associations found for GWS and LBP OR 0.5 (0.3, 1.0) Gheldof et al. (2006) Netherlands Industrial workers Prospective this website cohort 18 months Risk and recovery from LBP in a work LY333531 nmr setting Current pain intensity (NRS) pain radiation Karasek Demand Control model—GWS No significant associations found for GWS and risk of LBP No significant associations found for GWS and short term recovery No associations found for long term recovery OR 1.19 (0.98, 1.44) OR 0.88 (0.72, 1.07) OR 0.97 (0.87, 1.07) Gonge et al. (2002) Denmark Nursing personnel Prospective cohort 6 months Impact of psychosocial factors on click here LBP Presence of LBP, pain intensity and pain over 3 months Questions on the frequency of GWS There was no association between GWS and LBP OR 1.7 (0.7, 4.3) Harkness et al. (2003) UK General workers sample Prospective 1 year and 2 year study Risk factors for new onset LBP in workers Back pain presence in the past month for 1 day or longer Karasek Demand Control model—GSW No significant association
found for GWS and risk of LBP OR 1.4 (0.5–3.7) Helmhout et al. (2010) Netherlands Military personnel Prospective 6 months Prognostic factors for clinical improvement for those with LBP 4 weeks of recurring LBP at least 3 times per week Karasek Demand Control model—CWS and SS No significant association of CWS and disability related to LBP No significant association of SS and disability OR 0.88 (0.64, 1.21) OR 1.07 (0.82, 1.09) Heymans et al. (2006) Netherlands General workers sample Prospective Tryptophan synthase 1 year study Beliefs and expectations of those with LBP about RTW Presence of LBP, RMDQ and RTW status
Karasek Demand Control model—GWS Increased GWS was shown to increase RTW status for those with back pain HR 1.04 (1.0, 1.08) Hoogendoorn et al. (2001) Netherlands General workers sample Prospective 3 year study Psychosocial work factors and LBP Nordic questionnaire. Regular or prolonged back pain in previous 12 months Karasek Demand Control model—SS and CWS There was no significant association between SS and risk of LBP There was no significant association between levels of CWS and risk of LBP RR 1.30 (0.75, 2.26) RR 1.59 (0.89, 2.86) Ijzelenberg and Burdorf (2005) Denmark Industrial workers Prospective 6 month study Work-related psychosocial factors and risk of MSK Nordic questionnaire. MSK pain within previous 12 months (BL) and previous 6 months (FU) Karasek Demand Control model—SS and CWS Less SS was associated with increased risk of LBP Less CWS was not associated with increased risk of LBP OR 2.06 (1.35, 3.14) OR 1.52 (0.97, 2.