https://www.psychologytoday.com/us/blog/big-career-corner/201103/having-a-bad-job-is-worse-for-mental-health-than-no-job-at-all

Having a Bad Job Is Worse for Mental Health Than No Job At All

Research shows bad jobs create worse mental state than unemployment.

Essentially, the study showed how the quality of a job predicts the quality of the employee’s mental health as the two are inextricably intertwined. According to Peter Butterworth, Ph.D., lead author in the study and senior research fellow at the Centre for Mental Health Research at the Australian National University, “Moving from unemployment to a poor-quality job offered no mental health benefit, and in fact was more detrimental to mental health than remaining unemployed.”