Contributors: Department of Epidemiology and Public Health; University College of London London (UCL); National Institute for Health and Welfare Helsinki; Epidémiologie des déterminants professionnels et sociaux de la santé; Institut National de la Santé et de la Recherche Médicale (INSERM)-Hôpitaux de Saint Maurice (HNSM); Department of Public Health; University of Turku; Finnish Institute of Occupational Health; Helsingin yliopisto = Helsingfors universitet = University of Helsinki; The Whitehall II study has been supported by grants from the Medical Research Council; British Heart Foundation; Health and Safety Executive; Department of Health; National Heart Lung and Blood Institute (R01HL036310), US, NIH: National Institute on Aging (R01AG013196; R01AG034454), US, NIH; Agency for Health Care Policy Research (HS06516). J.E.F. is supported by the MRC (G8802774), M.J.S. by a grant from the British Heart Foundation, M.G.M. by an MRC Research Professorship, MK by the Academy of Finland (projects 117604 and 132944) and BUPA Foundation, JV and MK by the Academy of Finland (projects 124271 and 129262), ME by the Academy of Finland (128002) and WEF (project 203533) and A S-M by EURYI award from the European Science Foundation. We thank all participating Civil Service departments and their welfare, personnel, and establishment officers; the Occupational Health and Safety Agency; the Council of Civil Service Unions; all participating civil servants in the Whitehall II study; all members of the Whitehall II study team.
نبذة مختصرة : International audience ; Little is known about the role that work-related factors play in the decline of cognitive function. This study examined the association between perceived organisational justice and cognitive function among middle-aged men and women. Perceived organisational justice was measured at phases 1 (1985-8) and 2 (1989-90) of the Whitehall II study when the participants were 35-55 years old. Assessment of cognitive function at the screening clinic at phases 5 (1997-9) and 7 (2003-4) included the following tests in the screening clinic: memory, inductive reasoning (Alice Heim 4), vocabulary (Mill Hill), and verbal fluency (phonemic and semantic). Mean exposure to lower organisational justice at phases 1 and 2 in relation to cognitive function at phases 5 and 7 were analysed using linear regression analyses. The final sample included 4531 men and women. Lower mean levels of justice at phases 1 and 2 were associated with worse cognitive function in terms of memory, inductive reasoning, vocabulary and verbal fluency at both phases 5 and 7. These associations were independent of covariates, such as age, occupational grade, behavioural risks, depression, hypertension and job strain. This study suggests an association between perceived organisational justice and cognitive function. Further studies are needed to examine whether interventions designed to improve organisational justice would affect employees' cognition function favourably.
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