Introduction.

Sexual violence against adolescents is a global problem that affects young people around the world. The ecological model examines its forms and determinants through interconnected levels.

Objective.

To determine the frequency, characteristics, and predictors of sexual violence in adolescents attending school in Perú.

Materials and methods.

This was a cross-sectional study that secondarily analyzed data from the Encuesta Nacional de Relaciones Sociales (2019). A stratified probabilistic sample involved 1,579 youth aged 12-17 from 93 schools. The questionnaire evaluated physical, psychological, and sexual violence in the family and at school. Models were estimated using logistic regression analysis, calculating odds ratio (OR).

Results.

Eighteen point sixty eight per cent (95% CI: 16.80-20.60) suffered some type of sexual assault. In addition, 9.75% (95% CI: 8.28-11.21) reported having been touched in some part of the body and 1.84% (95% CI: 1.17-2.50) reported that was a victim of rape. Age was identified as a risk factor in the microsystem (OR = 1.48) (95% CI: 1.26-1.74), while the age of the first experienced sexual violence acted as a protective factor (OR = 0.61) (95% CI: 0.54-0.69). In addition, in the macrosystem, the perception that violence occurs mainly outside the home increased the risk (OR = 2.06) (95% CI: 1.01-4.19).

Conclusions.

Approximately two out of ten respondents reported having experienced some type of sexual violence, with verbal harassment and invasive personal contact being the most common. No single level or factor can fully explain adolescent sexual violence without considering its ecological interconnectedness.

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