Table 2.
Performance on neuropsychological assessments.
| Variable | Obesity Only n = 23 |
Food Addiction n = 23 |
Binge-Eating-Disorder n = 19 |
Food Addiction plus Binge-Eating Disorder n = 23 |
Welch ANOVA | Effect Size | |||
|---|---|---|---|---|---|---|---|---|---|
| M (SD) | M (SD) | M (SD) | M (SD) | F | df | p | Est. ω2 | ||
| IGT | Net score | −2.26 (32.78) | −3.91 (32.18) | −10.32 (39.36) | 2.00 (35.17) | 0.37 | 3, 46 | 0.773 | −0.022 |
| DDT | Area under the curve | 0.47 (0.32) | 0.31 (0.26) | 0.54 (0.26) | 0.46 (0.24) | 2.80 | 3, 46 | 0.050 | 0.058 |
| Go/No Go | Commission errors | 11.61 (5.98) | 11.39 (7.88) | 9.74 (6.06) | 12.52 (7.22) | 0.64 | 3, 46 | 0.591 | −0.012 |
| WCST | Perseverative errors | 17.70 (6.67) | 17.40 (8.38) | 14.31 (4.75) | 18.38 (8.28) | 2.02 | 3, 46 | 0.125 | 0.034 |
| Learning to learn 1 | 2.01 (4.22) a | 0.88 (6.60) a, b | −1.45 (3.90) b | 3.70 (10.08) a, b | 2.94 | 3, 40 | 0.045 | 0.069 | |
| WAFA | Mean reaction time intrinsic in ms | 254.22 (45.69) | 264.61 (45.02) | 265.37 (43.22) | 266.00 (72.05) | 0.30 | 3, 46 | 0.824 | −0.024 |
| Mean reaction time phasic in ms | 253.78 (57.09) | 242.04 (61.98) | 223.63 (88.57) | 249.00 (95.92) | 0.56 | 3, 45 | 0.642 | −0.015 | |
| Measure of dispersion intrinsic | 1.18 (0.67) | 1.24 (0.11) | 1.18 (0.06) | 1.28 (0.39) | 2.53 | 3, 45 | 0.069 | 0.050 | |
| Measure of dispersion phasic | 1.41 (0.18) a | 1.56 (0.50) a, b | 2.29 (1.15) b | 1.79 (1.02) a, b | 4.80 | 3, 37 | 0.006 | 0.115 | |
Note. M: mean, SD: standard deviation, df: degrees of freedom, IGT: Iowa Gambling Task, DDT: Delay Discounting Task, WAFA: Perception and attention functions battery alertness, WCST: Wisconsin Card Sorting Task, ms: milliseconds. a,b Different superscripts denote significant differences in post-hoc comparisons with Games-Howell corrections. 1 Sample size for learning to learn score n = 79 (n = 22 obesity only, n = 19 food addiction, n = 18 binge-eating disorder, n = 20 food addiction plus binge-eating disorder).