A study by Cornell University professor Youngjoo Cha found women whose husbands work 60 hours or more a week are 42% more likely to quit their established careers. Being a professional increased the odds by 51% and having children raised it by 112%. Men whose wives worked long hours were not any more likely to give up their careers. "The findings suggest that the prevalence of overwork may lead many dual-earner couples to return to a separate spheres arrangement -- bread-winning men and homemaking women," Cha said.
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