Table 2 Actigraphic recordings, six days motor activity; ADHD, without ADHD and controls
Controls | ADHD | Not ADHD | ANOVA * | |
|---|---|---|---|---|
(n = 29) | (n = 39) | (n = 37) | ||
Activity count/min | 286 ± 87 | 231 ± 90 # | 221± 94 # | F(102,2) = 4.724, p = 0.011 |
SD (% of mean) | 147 ± 20 | 159 ± 22 | 157 ± 26 | F(100,2) = 2.427, p = 0.093 |
RMSSD (% of mean) | 103 ± 16 | 116 ± 19 # | 113 ± 21 | F(100,2) = 4.654, p = 0.012 |
Active period duration | 9.6 ± 2.0 | 7.8 ± 2.3 | 8.0 ± 2.7 | F(102,2) = 2.933, p = 0.058 |
Inactive period duration | 5.9 ± 1.0 | 6.0 ± 1.6 | 6.0 ± 1.5 | F(102,2) = 0.047, p = 0.954 |
Active/inactive duration | 1.55 ± 0.31 | 1.33 ± 0.38 | 1.40 ± 0.68 | F(102,2) = 1.677, p = 0.192 |
Longest active sequence | 254 ± 166 | 187 ± 73 | 218 ± 159 | F(102,2) = 2.013, p = 0.139 |
Longest inactive sequence | 77 ± 19 | 192 ± 204 # | 178 ± 208 | F(102,2) = 4.051, p = 0.020 |
Active sequences ≥36 min | 6.5 ± 2.2 | 5.2 ± 2.5 | 5.1 ± 2.3 | F(102,2) = 3.589, p = 0.031 |
Inactive sequences ≥21 min | 7.3 ± 2.3 | 6.2 ± 2.2 | 6.4 ± 2. | F(102,2) = 2.216, p = 0.114 |
Scaling exponent: | ||||
Active periods | 0.733 ± 0.125 | 0.810 ± 0.145 | 0.807 ± 0.126 | F(102,2) = 3.359, p = 0.039 |
Inactive periods | 0.825 ± 0.101 | 0.890 ± 0.128 | 0.896 ± 0.142 | F(102,2) = 3.053, p = 0.052 |