Key points are not available for this paper at this time.
Linda J. Waite, Frances Kobrin Goldscheider, Christina Witsberger, Nonfamily Living and the Erosion of Traditional Family Orientations Among Young Adults, American Sociological Review, Vol. 51, No. 4 (Aug., 1986), pp. 541-554
Waite et al. (Fri,) studied this question.