Adult 4 Contraception Behavior Humans 4 Young Adult 4 adult 4 contraceptive behavior 4 human 4 young adult 4 Condoms 3 Female 3 Male 3 condom 3 female 3 male 3 Adolescent 2 Hispanic 2 Interpersonal Relations 2 Longitudinal Studies 2 Sexual Behavior 2 Sexual Partners 2 adolescent 2 article 2 condom use 2 human experiment 2 human relation 2 longitudinal study 2 major clinical study 2 sexual behavior 2 sexuality 2 Acquired Immunodeficiency Syndrome 1