Table 2. Prevalence of excessive screen time and associated factors in high school adolescents from public and private schools of João Pessoa, northeastern Brazil, 2009.
| Variables | Excessive screen timea | |||
|---|---|---|---|---|
| Prevalence (%) | 95%CI | p | ||
| Total | 79.5 | |||
| Gender | <0.001 | |||
| Female | 76.1 | 73.9–78.1 | ||
| Male | 84.3 | 82.1–86.2 | ||
| Skin color | 0.075 | |||
| White | 81.5 | 78.8–88.9 | ||
| Non-white | 78.6 | 76.7–80.4 | ||
| Age range (years) | <0.001 | |||
| 14–15 | 82.1 | 79.8–84.3 | ||
| 16–17 | 79.3 | 77.1–81.3 | ||
| 18–19 | 71.1 | 66.6–75.9 | ||
| Socioeconomic status | <0.001 | |||
| A and B (high) | 84.6 | 82.4–86.5 | ||
| C (middle) | 78.6 | 76.0–80.8 | ||
| D and E (low) | 60.8 | 53.7–67.3 | ||
| Physical activity level | 0.002 | |||
| Physically active | 81.8 | 79.7–83.7 | ||
| Physically inactive | 77.2 | 74.9–79.3 | ||
| Nutritional status | 0.139 | |||
| No excess body weight | 79.0 | 77.3–80.6 | ||
| Excess body weight | 82.4 | 78.0–86.1 | ||
a
Watching TV, using the computer and playing videogames for more than 2 h/day.