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Universidad y Salud

Print version ISSN 0124-7107
On-line version ISSN 2389-7066


CASTILLO-AVILA, Irma Yolanda et al. Knowledge, attitudes, susceptibility and self-efficacy against HIV infection in adolescents from Cartagena, Colombia. Univ. Salud [online]. 2017, vol.19, n.1, pp.26-36. ISSN 0124-7107.


To determine knowledge, attitudes, susceptibility and self-efficacy facing HIV infection in school adolescents in the city of Cartagena.

Materials and methods:

A descriptive cross-sectional study was made with a reference population of 15,686 adolescents from formal educational institutions who are enrolled in tenth and eleventh grades. A sample of 580 adolescents was estimated, and a probabilistic multi-stage sample was applied. The HIV/AIDS-65 Scale was used for data collection, previous informed consent. The data were processed using the Microsoft Excel program and were analyzed using descriptive statistics.


A total of 579 adolescents with an average age of 15.6 years (= 0.9 years), mainly of female sex (65.6% (380)) successfully completed the questionnaire. The 45% (261) presents deficient knowledge, 55% (318) presents misconceptions about the disease, 69.6% (400) showed negative attitudes, 46.1% (266) do not considered themselves susceptible to contract the disease and 49.5% (286) showed low self-efficacy for the prevention of the infection.


Little knowledge about HIV and its modes of transmission, mixed with misconceptions, increases the likelihood of infection among adolescents, especially when negative attitudes, low perception of susceptibility and little self-efficacy for prevention are combined.

Keywords : Adolescent; health knowledge, attitudes, practice; HIV; sexual health; self-efficacy.

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