| ≥4 Hours Recreational Screen time per Day N = 245,305; n = 2152 CI = 206,106 – 284,503 | <4 Hours Recreational Screen–time per Day N = 229,463; n = 1868 CI = 194,206 – 264,719 | χ 2 |
---|---|---|---|
Demographic variables | |||
Sex | Â | Â | Â |
 Female | 48.1% (44.8% – 51.3%) | 53.0% (49.4% – 56.6%) | 4.17* |
 Male | 51.9% (48.7% – 55.2%) | 47.0% (43.4 – 50.6%) | 4.17* |
Age | Â | Â | Â |
  < 16 years | 42.9% (35.6% – 50.6%) | 37.9% (30.8% – 45.7%) |  |
  ≥ 16 years | 57.1% (49.4% – 64.4%) | 62.1% (54.3% – 69.2%) | 3.88* |
Race | Â | Â | Â |
 Non–Hispanic white | 67.8% (59.3% – 75.2%) | 74.2% (67.6% – 79.8%) | 12.67*** |
 Non–Hispanic black | 18.1% (12.5% – 25.5%) | 12.1% (8.1% – 17.7%) | 9.65** |
 Hispanic | 9.2% (6.9% – 12.2%) | 7.6% (5.2% – 10.8%) | 3.57 |
 Asian | 1.7% (1.2% –2.4%) | 3.1% (2.2% –4.3%) | 10.28*** |
 Other | 3.2% (2.5% – 4.0%) | 3.1% (2.3% – 4.1%) | 0.02 |
Academic achievement | |||
 Earned mostly A’s & B’s | 78.4% (74.4% – 81.9%) | 87.5% (83.6% – 90.5%) | 21.28*** |
Overweight or obese | 34.2% (31.1% – 37.5%) | 24.6% (21.2% – 28.3%) | 14.28*** |
Environmental level variables | |||
 Philadelphia City | 5.6% (4.3% – 7.1%) | 4.4% (3.4% – 5.7%) | 8.07** |
Perceived safety | |||
 Rarely/never feel safe | 7.9% (6.3% – 9.9%) | 7.2% (5.3% – 9.6%) | 0.51 |
Health related variables | |||
  ≥ 5 days physical activity | 39.5% (35.7% – 43.5%) | 51.1% (47.2% – 55.0%) | 19.34*** |
  ≥ 1 day PE/week | 59.3% (51.3% – 66.9%) | 57.8% (49.0% – 66.1%) | 0.29 |
  ≥ 1 sports teams | 55.0% (51.5% – 58.4%) | 67.2% (63.1% – 71.0%) | 27.09*** |
  ≥ 8 h sleep/night | 25.0% (22.5% – 27.7%) | 26.3% (23.3% – 29.6%) | 0.55 |
 Current alcohol use | 29.5% (26.0% – 33.3%) | 31.8% (28.0% – 35.8%) | 0.97 |
 Current cigarette use | 12.4% (9.7% – 15.6%) | 11.4% (9.0% – 14.4%) | 0.47 |
  ≥ 2 servings fruit/day | 27.2% (24.5% – 30.0%) | 30.7% (27.5% – 34.0%) | 3.38 |
  ≥ 3 servings veg/ day | 8.6% (6.8% – 10.9%) | 12.4% (10.5% – 14.7%) | 12.30*** |