Self-efficacy (2) Teenagers (2) Youth (2) Population (2) Health (2) AIDS (Disease) (2) Autoeficacia (2) Salud (2) Estudio (2) SIDA (2) Población (2) Jóvenes (2) Adolescentes (2) Colombie (1) Programs (1) HIV (Viruses) (1) Young women (1) Viruses (1) Sexually transmitted diseases (1) Social status (1) Social sciences (1) Sexual intercourse (1) Science (1) Research (1) Psychology (1) Perception (1) Measurement (1) Men (1) Medicine, Preventive (1) Indexes (1)