Furthermore, the unavailability of certain information on the fathers' occupation such as the level of autonomy and working conditions, made it impossible to have used the more recent NS-SEC occupational classification of SES, which is more salient than the Registrar Generals classification.
A more recent update of an occupational cohort of 406 vermiculite miners employed before 1963 and followed through 1999 reported an excess of lung cancer deaths [44 deaths; standardized mortality ratio (SMR) = 2.40], nonmalignant respiratory deaths (51 deaths; SMR = 3.09), and all-cause deaths (285 deaths; SMR = 1.27), which increased with cumulative exposure (McDonald et al. 2004).
In retrospect, we should have asked for more recent information about sport and occupational exposures that could have allowed us to calculate not only lifetime exposure for both measures (for association with the lifetime LBP measure), but more recent exposures to correlate with the relevant LBP prevalence measures.
However, with regulations in place to protect against such effects, the focus on non-occupational exposures has been more recent.
Our current knowledge on heat stress is mainly derived from military and occupational research fields, while the input from sport sciences is more recent.
More recent research shows a clear interest for health, musculoskeletal injuries, physical workload, pains and occupational injuries.
Autor and Dorn (2009) and a much more recent paper by Lewandowski et al. (2017) document the important relationship between age and occupational mobility due to polarisation.
Lifetime occupational and sport participation exposure measures were relevant to lifetime LBP prevalence, but not to more recent LBP prevalence measures.
Conclusion: The graded relationship between occupational grade in mid-life and quality of life after labour market exit was largely accounted for by more recent socio-economic circumstances and state of health.
