作者: Ann L. Coker , Donna L. Richter , Robert F. Valois , Robert E. McKeown , Carol Z. Garrison
DOI: 10.1111/J.1746-1561.1994.TB06208.X
关键词:
摘要: This cross‐sectional analysis of the 1991 CDC Youth Risk Behavior Survey explored factors associated with an early age at first sexual intercourse. Almost 18% of White males, 49% of …