TABLE 3.
Parametric and smooth terms for the best‐fitting models for go trial parameters.
| GoRT | mu.true | sigma.true | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Parametric coefficients | Est. (SE) | t | p | Est. (SE) | t | p | Est. (SE) | t | p |
| Intercept | 684.69 (11.22) | 61.05 | <.001 | 555.08 (14.09) | 39.39 | <.001 | 132.15 (6.45) | 20.50 | <.001 |
| Group | – | – | – | – | – | – | −18.73 (6.44) | −2.91 | <.001 |
| SES_c | −0.14 (0.16) | −0.90 | .37 | −0.03 (0.20) | −0.16 | .87 | −0.06 (0.07) | −0.80 | .43 |
| med | −1.70 (18.57) | −0.09 | .93 | −2.06 (23.36) | −0.09 | .93 | 1.39 (8.83) | 0.16 | .88 |
| Sex | 6.29 (14.12) | 0.45 | .66 | 22.17 (17.73) | 1.25 | .21 | 8.17 (6.38) | 1.28 | .20 |
| Smooth terms | Edf (Ref.df) | F | p | Edf (Ref.df) | F | p | Edf (Ref.df) | F | p |
|---|---|---|---|---|---|---|---|---|---|
| s(age_c) | 1.00 (1.00) | 23.55 | <.001 | 1.00 (1.00) | 10.40 | <.001 | 1.01 (1.01) | 15.01 | <.001 |
| s(SID) | 111.83 (256.00) | 0.89 | <.001 | 104.88 (256.00) | 0.78 | <.001 | 122.39 (255.00) | 1.02 | <.001 |
Note: Est.: estimated regression parameter; SE: standard error; edf: estimated degrees of freedom; Ref.df: reference degrees of freedom; Group: ADHD and controls; SES_c: mean‐centred SES; med: medication status; sex: males and females; s(age_c): smoothed mean‐centred age; s(SID): subject ID entered as a random effect. GoRT: Go trial reaction time; Mu.true: mu of the correct go trial reaction time distribution; sigma.true: sigma of the correct go trial reaction time distribution. Bold indicates significance.