Novel information processing at work across time is associated with cognitive change in later life: A 14-year longitudinal study.

This study examined whether the degree of novel information processing at work (NPW) attenuates cognitive aging across 14 years for adults 50+ in the United States and how NPW links with job complexity. To answer these questions, we used data (N = 4,252) from the Health and Retirement Study. Detailed information on occupational characteristics from ONet between 2000 and 2014 was used to assess NPW and matched with participants’ occupational codes across time. Multilevel transition models were employed to estimate the relationship between NPW and cognitive functioning across time and to explore the moderating effect of cognitive level. Our results showed that exposure to more NPW across time attenuates cognitive decline as indicated by immediate word recall and serial 7s performance, while adjusting for baseline age, leisure, volunteering activities, cognition at previous wave, and other covariates. This buffering effect of NPW is reduced but sustained when controlling for change in jo