Boys | Girls | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Total (n = 730) | Recurrent headache (n = 166) | Headache-free (n = 564) | Total (n = 856) | Recurrent headache (n = 391) | Headache-free (n = 465) | |||||||
Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
Age | 14.20 | 0.77 | 14.14 | 0.79 | 14.21 | 0.76 | 14.25 | 0.78 | 14.25 | 0.80 | 14.25 | 0.77 |
Anxiety and depressive symptoms (1–4) | 1.27 | 0.37 | 1.33 | 0.41 | 1.25 | 0.35 | 1.42 | 0.43 | 1.46 | 0.44 | 1.38 | 0.43 |
Attention difficulties (1–4) | 1.94 | 0.63 | 2.01 | 0.70 | 1.91 | 0.61 | 2.04 | 0.61 | 2.06 | 0.58 | 2.03 | 0.64 |
Conduct difficulties (1–4) | 1.44 | 0.43 | 1.44 | 0.42 | 1.44 | 0.43 | 1.29 | 0.33 | 1.30 | 0.33 | 1.29 | 0.33 |