Table 1 Descriptive statistics in the isotemporal substitution analytic sample by sex (N = 10,544)
|  | Females (n = 5,058) | Males (n = 5,486) |
|---|---|---|
Age, Years | 9.9 (0.03) | 10.0 (0.03) |
Race/Ethnicity | ||
 Asian | 120 (4.0%) | 107 (3.3%) |
 Black | 693 (12.3%) | 679 (11.0%) |
 Hispanic | 996 (23.0%) | 1,095 (23.5%) |
 Other/Multiracial | 534 (6.9%) | 565 (6.7%) |
 White | 2,715 (53.8%) | 3,040 (55.5%) |
Income-to-Needs Ratio | ||
  ≤ 0.99 | 621 (15.5%) | 643 (15.1%) |
 1.00–1.99 | 713 (18.4%) | 781 (18.9%) |
 2.00–3.99 | 1,171 (25.3%) | 1,255 (25.3%) |
  ≥ 4.00 | 2,109 (30.7%) | 2,279 (30.0%) |
 Not Reported | 444 (10.1%) | 528 (10.7%) |
Internalizing Symptoms | 5.2 (0.2) | 5.2 (0.2) |
Streaming, Min/Day | 134.6 (5.2) | 144.9 (5.3) |
Gaming, Min/Day | 40.2 (1.8) | 82.7 (3.3) |
Socializing, Min/Day | 31.5 (2.0) | 22.3 (1.9) |
Physical Activity, Min/Day | 28.6 (0.7) | 30.3 (0.7) |
Sleep, Min/Day | 537.9 (3.4) | 538.3 (3.6) |
Baseline BMI-z Score | 0.43 (0.05) | 0.48 (0.06) |
Follow-up BMI-z Score | 0.49 (0.05) | 0.55 (0.05) |