Table 3.
Group differences in delay discounting (AUC)
| Effects of FH of SUD | |||||
|---|---|---|---|---|---|
| AUC (mean ± SD) | ADHD FH–(n = 63) | ADHD FH+(n = 86) | Control FH–(n = 72) | Control FH+(n = 49) | p (ηp2) |
| 0.408±0.236 | 0.371±0.231 | 0.420±0.228 | 0.369±0.209 | 0.164a (0.008), 0.57b (0.001), 0.073c (0.013) | |
| Effects of SM | |||||
|---|---|---|---|---|---|
| AUC (mean ± SD) | ADHD-only (n = 62) | ADHD+SM (n = 62) | Control (n = 62) | p (ηp2) | |
| 0.386±0.221 | 0.302±217 | 0.369±0.206 | 0.045 (0.034) | ||
p values from the final models as indicated by the stepwise analysis. AUC, area under the curve; FH, family history of SUD; SUD, substance use disorder; ADHD, attention-deficit/hyperactivity disorder; ADHD FH–, ADHD with negative family history; ADHD FH+, ADHD with positive family history; Control FH–, controls with negative family history; Control FH+, controls with positive family history; ADHD-only, ADHD without substance misuse; ADHD+SM, ADHD with substance misuse.
a
p value for ADHD effect.
b
p value for family history effect.
c
p value for ADHD × FH interaction effect; AUCs are before transformation to normality.