Activity duration in min/day | ||||||
---|---|---|---|---|---|---|
Activity | All Children | Kindergarten/1st grade (6/7 years old) | 4th grade (9/10 years old) | 8th grade (9/10 years old) | P $ | |
Mean§ (95% CI) | Mean§ (95% CI) | Mean§ (95% CI) | Mean§ (95% CI) | |||
Screen recreation | 104.4 (98.8–110.1) | 71.0 (62.3–79.7) | 105.9 (96.9–115.0) | 135.8 (123.2–148.5) | < 0.001 | |
Television | 76.2 (71.2–81.0) | 56.8 (49.1–64.5) | 77.0 (68.5–85.5) | 94.3 (83.1–105.5) | < 0.001 | |
Computer | 28.2 (25.3–31.1) | 14.2 (10.7–17.6) | 28.8 (24.2–33.4) | 41.4 (35.0–47.7) | < 0.001 | |
Any other quiet activity | 391.7 (384.0–399.3) | 364.1 (350.3–378.0) | 391.6 (378.9–404.2) | 418.9 (403.9–434.0) | 0.002 | |
Leisure time activities£ | 238.4 (231.2–245.7) | 249.9 (237.1–262.7) | 247.3 (235.6–259.1) | 216.9 (203.9–230.0) | < 0.001 | |
Attending school/homework# | 261.2 (254.0–268.5) | 200.2 (189.3–211.1) | 256.1 (244.9–267.2) | 327.5 (313.7–341.3) | < 0.001 | |
Active Transportation | 56.0 (52.3–59.7) | 54.9 (48.7–61.1) | 51.1 (45.4–56.7) | 62.52 (54.8–70.3) | 0.029& | |
Walking | 40.6 (37.3–42.8) | 41.9 (36.5–47.4) | 33.5 (28.6–38.4) | 47.2 (40.1–54.4) | 0.198 | |
Cycling/inline skating | 15.4 (13.3–17.6) | 13.0 (9.6–16.4) | 17.6 (13.6–21.5) | 15.4 (11.4–19.3) | 0.394 | |
Recess# | 25.1 (22.6–27.7) | 9.9 (7.2–12.7) | 27.5 (23.6–31.4) | 37.6 (31.0–44.3) | < 0.001 | |
Vigorously intense unstructured play | 42.9 (38.0–47.8) | 42.7 (34.7–50.7) | 49.6 (41.4–57.7) | 35.7 (27.4–44.0) | 0.035$ | |
Indoors | 9.7 (7.5–11.8) | 14.1 (9.7–18.6) | 7.1 (3.7–10.4) | 8.1 (4.5–11.8 | 0.037 | |
Outdoors | 33.3 (28.9–37.7) | 28.5 (21.6–35.5) | 42.5 (34.4–50.6) | 27.6 (19.5–35.7) | 0.853 | |
Attending PE° classes# | 27.4 (23.1–31.7) | 21.2 (13.2–29.2) | 24.8 (19.3–30.2) | 36.3 (28.5–44.2) | 0.008 | |
Sports training | 10.7 (8.3–13.0) | 4.7 (2.3–7.1) | 10.8 (6.7–15.0) | 16.5 (11.3–21.7) | < 0.001 |