Calculate your true hourly wage. You need to know how much you really earn before you can determine whether a change of jobs is in order. There are books and guides to help you do this. An excellent choice is Your Money or Your Life , by Joe Dominguez and Vicki Robin. Don't let health insurance stand in your way.
Most people can get individual and family health coverage.
Yes, it is expensive. But so are housing, food, and transportation needs. Look at health insurance as a cost of living and work on reducing your total cost of living to enable you to manage on a part-time income. You may not need to quit your current job. If you enjoy your work, but would enjoy it more if you worked fewer hours, submit a proposal to your employer to do just that.