Article here. Excerpt:

'But the White House, in thrall perhaps to ultra-feminists, opened its discussion of women's pay by using a sensational headline-grabbing comparison, 75 cents on the dollar, and it did capture many of the headlines.

...

Since full time means 35 or more hours a week, the table compares men who work 50 hours with women who work 37.

And women do work less than men. The report states on page 27 that "women of every educational level and at every age spend fewer weeks in the labor force a year than do men." In addition, "on the days that they worked, employed married women age 25-54 spent less time in labor market work and work related activities than did employed married men in the same age group-7 hours and 40 minutes, compared to about 8 hours and 50 minutes."'