“…Nonetheless, future investigations would benefit from more direct and comprehensive assessment of health behaviours and include factors such as diet and sleep. Psychological distress has been mooted as a possible mediator of the associations between socio-economic status and health outcomes [31]. Although it is clear that Phillips, A.C., Carroll., D., Thomas, G.N., Gale, C.R., Deary, I. IQ attenuated the associations between socio-economic status and metabolic syndrome.…”