Influence of retirement and work stress on headache prevalence: a longitudinal modelling study from the GAZEL Cohort
Noora Sjösten1, Hermann Nabi, Hugo Westerlund
1Finnish Institute of Occupational Health, Turku, Finland. noora.sjosten@ttl.fi
Aims:
The aims of this study were to examine trajectories of headache in relation to retirement and to clarify the role of work stress and stress-prone personality.
Methods:
Headache prevalence during the 7 years before and after retirement was measured by annual questionnaires from GAZEL cohort comprising French national gas and electricity company employees (n = 12,913). Odds ratios and 95% confidence intervals for headache during pre- peri- and post-retirement were calculated. The role of effect modifiers (work stress, type A or hostile personality) was tested by multiplicative interactions and synergy indices.
Results:
An 11-13% reduction in headache prevalence was found during pre- and post-retirement, whereas decline was much steeper (46%) during the retirement transition. In absolute terms, the decline was greater among persons with high work stress or stress-prone personality than among other participants.
Conclusions:
Retirement is associated with a decrease in headache prevalence, particularly among persons with a high amount of work stress or proneness to over-react to stress.
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