highly significantp < 0.0001
When the usage of digital media for studies, social media and/or entertainment, games and following the news was combined, multivariate nominal logistic regression identified four highly significant explanatory variables for digital media usage among adolescents in Bissau ( R 2 = 0.0409, p < 0.0001), which were gender (boy, OR 2.18, 95% CI 1.64–2.88; p < 0.0001), attending a private school (OR 1.57, 95% CI 1.17–2.88; p = 0.0027), being born in Bissau (OR 1.45, 95% CI 1.09–1.94; p = 0.0107), and coming from a family that could afford to buy a car (OR 1.33, 95% CI 1.00–1.77; p = 0.0478). 3.5.