As can be seen from Table 1, studies did not meet all quality criteria, with the Cobimetinib cell line exception of the Boot et al. (2008) study. Both in Petrie et al. (1996) and Sluiter and Frings-Dresen (2008), information on the source and study population

was missing, including (reasons for) loss to follow up (27% in Petrie et al. 1996) and a low response rate (36% response rate in Sluiter and Frings-Dresen 2008) resulted in not fulfilling these criteria. In addition, in two studies, potential confounders such as age, disease duration, or disease severity were not presented or accounted for in the analyses (Petrie et al. 1996; Sluiter and Frings-Dresen 2008). Table 1 Study characteristics and relationship between work participation and illness perceptions Author Study looked at Study population Selection participants Questionnaires and illness perception dimensions reported Outcome and measurements Results Study Quality Descriptive analyses Regression analyses/correlations BGB324 mouse Longitudinal studies McCarthy 2003 United Kingdom Predictive value of recovery expectations

as part of Leventhal’s SRM model Population: patients receiving third molar extractions conducted under general anesthetic Employed before surgery: n = 72 Mean age (sd): 27.3 (7.8) Patients selected from surgical waiting list at a day surgery, general hospital IPQ-modified Assessed pre-surgery:  Consequences (7 items, scoring 1–5)  Timeline (four items, different scoring)  Identity (26 symptoms, score 7-point Likert scale)  Control (8 items, scoring 1–5)  Causes (1 item, choice of one of 5 options) Days until back to work assessed after 1 week (n = 68) by telephone interview 60.9% Of participants

returned to work after 7 days, mean number of days was 5.7 (2.2) Multivariate regression analyses: After controlling for medical variables (block 1) trait and state Cell press anxiety (block 2), the only significant IPQ variables predicting speed of RTW in block 3 included timeline (beta 0.35**), but not consequences nor cure/control. R 2 change = 0.18 for block including IPQ variables, full model Rsquare 0.25 Correlations: consequences, timeline and identity were correlated with days to return to work (r = 0.31**, r = 0.24* and r = 24*, respectively) A+ B+ C? D? E+ Petrie 1996 New Zealand Prediction of return to work by initial perceptions of myocardial infarct Population: confirmed first myocardial infarction and full-time employed before myocardial infarction: n = 76 Mean age (sd): 53.2 (8.