TABLE 1

Descriptive Statistics

Descriptives of Study Variables (Possible Range)NMSD
1. Number of MDD symptoms 6 y (0 to 9)7930.520.73
2. Number of MDD symptoms 8 y (0 to 9)6970.460.79
3. Number of MDD symptoms 10 y (0 to 9)6290.520.90
4. MVPA 6 y (hours per day)6971.190.40
5. MVPA 8 y (hours per day)6071.180.43
6. MVPA 10 y (hours per day)6841.090.40
7. Sedentary 6 y (hours per day)6898.580.84
8. Sedentary 8 y (hours per day)6079.221.06
9. Sedentary 10 y (hours per day)6349.941.07
10. Anxiety 6 y (0 to 21)7930.871.52
11. Anxiety 8 y (0 to 21)6970.891.25
12. ADHD 6 y (0 to 18)7931.302.24
13. ADHD 8 y (0 to 18)6881.202.40
14. CD 6 y (0 to 9)a7930.220.50
15. CD 8 y (0 to 15)6970.300.60
16. ODD 6 y (0 to 8)7930.960,47
17. ODD 8 y (0 to 8)6971.081.39
18. BMI 6 y65815.601.51
19. BMI 8 y67516.621.97
  • a Six items in the CD scale were removed at age 6 because they were not considered age appropriate.