This study examines the relationship between depressive symptomatology, productivity despite sickness presence and the speed of information processing in quality of life, by testing a moderated mediation model. Therefore, we intend to test if productivity despite sickness presence influences the relationship between depressive symptoms and quality of life and also if this relation is conditional upon levels of information processing speed. Data were collected from 231 participants (58% female) aged between 20 and 69 who completed a neuropsychological test and self-reported measures. A regression-based bootstrapping approach was used to examine the indirect effect of depressive symptoms on quality of life through productivity despite sickness presence and the moderating role of processing speed in any existing association between depressive symptomatology and productivity despite sickness presence. Results revealed a significant indirect effect and a significant moderation effect. The association between depressive symptoms and productivity despite sickness presence was moderated by information processing speed only in their medium and high levels. However, the results of the moderated mediation model were not statistically significant. Our findings suggest that individuals with higher levels of processing speed may have more difficulty in focusing on work without being distracted by health problems. The present investigation has made a significant contribution to the existing literature about cognitive function and productivity in workers with depressive symptomatology and its effects on their quality of life.

--