From UPI :
Stay-at-home moms are much more likely to report having ever been diagnosed with depression than moms who work outside the home, a U.S. survey indicates.
Gallup officials said they looked separately at non-employed mothers who were looking for work and those who were not looking -- to distinguish between those who might be employed because of circumstance rather than by choice. Both groups were more likely than employed mothers to report anger, sadness and depression, the survey said.
Non-employed women with young children at home were more likely than women with young children at home who are employed for pay to report experiencing sadness and anger the day before they were surveyed.