All | East Asia only | Central Europe only | Interaction with region‡ | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Baseline factors | OR† | 95% CI | P-value | OR† | 95% CI | P-value | OR† | 95% CI | P-value | P-value |
Age | 1.14 | 1.04, 1.24 | 0.005* | 1.17 | 1.04, 1.31 | 0.009* | 1.04 | 0.89, 1.21 | 0.599 | 0.227 |
Age at first symptoms | 1.00 | 0.91, 1.10 | 0.995 | 0.97 | 0.85, 1.10 | 0.633 | 1.02 | 0.87, 1.19 | 0.835 | 0.622 |
Being male | 1.24 | 0.74, 2.07 | 0.421 | 1.95 | 1.02, 3.73 | 0.043* | 0.46 | 0.16, 1.33 | 0.154 | 0.034* |
Being from East Asia | 0.87 | 0.56, 1.36 | 0.533 | - | - | - | - | - | - | - |
Having birth problems | 1.86 | 1.14, 3.02 | 0.013* | 1.76 | 0.90, 3.45 | 0.099 | 1.74 | 0.79, 3.80 | 0.167 | 0.662 |
Family history of ADHD | 1.08 | 0.71, 1.63 | 0.730 | 1.23 | 0.71, 2.14 | 0.463 | 0.94 | 0.47, 1.88 | 0.856 | 0.948 |
Higher CGI-ADHD-S scores | 1.32 | 1.07, 1.63 | 0.010* | 1.61 | 1.19, 2.17 | 0.002* | 1.02 | 0.73, 1.43 | 0.915 | 0.185 |
Higher CSI-4 scores | 1.03 | 1.01, 1.05 | 0.013* | 1.02 | 0.99, 1.05 | 0.189 | 1.04 | 1.01, 1.07 | 0.022* | 0.877 |
Having a working mother | 0.60 | 0.38, 0.94 | 0.026* | 0.68 | 0.38, 1.22 | 0.199 | 0.47 | 0.21, 1.05 | 0.066 | 0.291 |
Parental psychological distress | 1.20 | 0.80, 1.81 | 0.376 | 0.64 | 0.38, 1.09 | 0.103 | 4.33 | 1.91, 9.81 | <0.001* | <0.001* |
Being truant§ | 1.47 | 0.56, 3.82 | 0.434 | 2.22 | 0.44, 11.14 | 0.334 | 1.83 | 0.49, 6.77 | 0.368 | 0.428 |
Being involved in bullying (as a bully)§ | 0.55 | 0.36, 0.85 | 0.007* | 0.82 | 0.47, 1.44 | 0.491 | 0.27 | 0.13, 0.60 | 0.001* | 0.674 |
Primary care visit for behavioural problems§ | 1.69 | 0.86, 3.34 | 0.130 | 1.90 | 0.81, 4.49 | 0.141 | 1.28 | 0.36, 4.61 | 0.702 | 0.912 |
Being invited to social activity§ | 1.23 | 0.83, 1.82 | 0.309 | 1.39 | 0.83, 2.33 | 0.216 | 1.27 | 0.64, 2.52 | 0.496 | 0.019* |