| Boys (n = 2352) | Girls (n = 2520) | ||||||
---|---|---|---|---|---|---|---|---|
12-14 years (n = 952) | 15-17 years (n = 1400) | 12-14 years (n = 1002) | 15-17 years (n = 1518) | |||||
Recurrent headache | Headache free | Recurrent headache | Headache free | Recurrent headache | Headache free | Recurrent headache | Headache free | |
(n = 195) | (n = 757) | (n = 318) | (n = 1082) | (n = 331) | (n = 671) | (n = 571) | (n = 947) | |
Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |
Symptoms of anxiety and depression | 1.39 (0.43) | 1.25 (0.35) | 1.50 (0.54) | 1.33 (0.41) | 1.53 (0.52) | 1.37 (0.43) | 1.73 (0.60) | 1.55 (0.51) |
Attention difficulties | 2.08 (0.66) | 1.94 (0.61) | 2.42 (0.71) | 2.20 (0,68) | 2.12 (0.67) | 2.03 (0.60) | 2.35 (0,68) | 2.20 (0.58) |
Conduct difficulties | 1.46 (0.43) | 1.39 (0.40) | 1.51 (0.46) | 1.41 (0.40) | 1.27 (0.34) | 1.25 (0.29) | 1.34 (0.35) | 1.30 (0.32) |