Key points are not available for this paper at this time.
Frank F. Furstenberg, Jr., S. Philip Morgan, Kristin A. Moore, James L. Peterson, Race Differences in the Timing of Adolescent Intercourse, American Sociological Review, Vol. 52, No. 4 (Aug., 1987), pp. 511-518
Furstenberg et al. (Sat,) studied this question.