You're reading something into the article that isn't there. Perhaps that is what the author was getting at, but he certainly didn't make it clear. Rather it could simply be referring to an increase in the number of single-income households.
And salaries for women still tend to be lower than those for men. Is it sexist to point this out?
The article is sexist from the title... it is gender specific from the beginning for no apparent economic or societal reason other than to be outright sexist.
It's not mentioned in the article, but the unemployment rate among men is higher than among women. Even if it weren't, there is absolutely nothing sexist about an article which addresses unemployment for one sex to the exclusion of the other, just as there would be nothing racist about an article on unemployment among blacks, whites, et cetera.
And salaries for women still tend to be lower than those for men. Is it sexist to point this out?