Prevalence and factors associated with experience of intrafamilial violence by teenagers in school.

OBJECTIVE: To estimate prevalence of intrafamilial violence experience and its association with sociodemographic, sexual and use of alcohol/drugs variables in teenagers of a public school in Salvador, Bahia, Brazil.

METHOD: Cross-sectional study with 239 teenagers. Data were collected through structured instrument, analyzed according to descriptive and inferential statistics, with multiple logistic regression.

RESULTS: Research pointed out a high prevalence of intrafamilial violence among teenagers (60.67%). Experience of this grievance was associated, with statistical significance, with the variables: higher age range (PR = 1.83 and 95%CI: 1.05 - 3.18) and regular use of condom (PR = 1.81 and 95%CI: 1.06 - 3.08). Violence was also associated with consumption of alcohol and marijuana.

CONCLUSION: Regular use of condom and consumption of alcohol and/or marijuana represent risk behaviors to the experience of intrafamilial violence by teenagers in school, especially older than 15 years old.