Table 2.
Descriptive statistics and group differences for low and high problem severity groups and measures of executive functions.
| Overall | Severity of PPU | Group differences | Significant covariates | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High sIATporn | Low sIATporn | |||||||||||
| min | max | M | SD | M | SD | M | SD | F | p | Part. ƞ2 | ||
| CLT_NAD | 6.00 | 31.00 | 21.43 | 6.70 | 21.68 | 5.64 | 21.58 | 7.00 | 0.95 | 0.334 | 0.015 | |
| CLT_netscore | −36.00 | 36.00 | 5.15 | 15.85 | 5.74 | 14.59 | 5.67 | 15.95 | 0.55 | 0.460 | 0.009 | |
| CLT_EV score | −1571.00 | 8094.00 | 3135.83 | 2233.00 | 3428.50 | 2018.14 | 2888.75 | 2417.69 | 0.14 | 0.709 | 0.002 | |
| Three back: % correct | 0.00 | 0.98 | 0.62 | 0.18 | 0.62 | 0.17 | 0.67 | 0.17 | 0.35 | 0.555 | 0.006 | |
| TMT_A: time in sec. | 11.18 | 74.00 | 24.74 | 9.21 | 24.92 | 7.66 | 25.25 | 12.14 | 1.38 | 0.245 | 0.021 | |
| TMT_B: time in sec. | 18.74 | 128.27 | 51.31 | 18.43 | 52.65 | 17.54 | 48.64 | 17.13 | 0.139 | 0.710 | 0.002 | |
| UPPS: urgency | 1.25 | 3.50 | 2.49 | 0.54 | 2.83 | 0.46 | 2.25 | 0.47 | 6.97 | 0.010 | 0.100 | Age, BSI: depression |
| UPPS: deficits in premeditation | 1.00 | 3.18 | 2.00 | 0.47 | 2.04 | 0.47 | 2.04 | 0.43 | 1.56 | 0.286 | 0.018 | |
| UPPS: deficits in perseverance | 1.00 | 3.20 | 2.09 | 0.47 | 2.26 | 0.45 | 1.94 | 0.46 | 2.40 | 0.126 | 0.037 | STAI: state |
| UPPS: sensation seeking | 1.33 | 3.83 | 2.80 | 0.49 | 2.83 | 0.42 | 2.87 | 0.50 | 0.37 | 0.543 | 0.006 | |
CLT, cards & lottery task; NAD, number of advantageous decisions; EV, expected value; TMT, trail making test; UPPS, urgency, (lack of) premeditation, (lack of) perseverance, and sensation seeking impulsive behavior scale.