Table 7.
Model-Free Task Measures by Group and Session (Means and Standard Deviations).
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| FULL SAMPLE | |||||||||
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| TOTAL | BASELINE | FOLLOW-UP | USABLE DATA (N) | EFFECT OF CLINICAL STATUS | EFFECT OF SESSION | EFFECT OF CLINICAL STATUS/SESSION INTERACTION | |||
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| HCS | SUDS | HCS | SUDS | ||||||
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| 131 | 48 | 83 | 48 | 83 | |||||
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| Wins | 181.1 (12.71) | 182.83 (12.19) | 178.75 (12.79) | 182.27 (12.14) | 181.78 (13.12) | HC: 45 SUD +: 77 Total: 122 |
F(1, 117) = 1.97 p = 0.16 η2 = 0.02 |
F(1, 120) = 1.33 p = 0.25 η2 = 0.01 |
F(1, 120) = 0.74 p = 0.39 η2 = 0.01 |
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| Mean Reaction Time | 0.56 (0.25) | 0.62 (0.24) | 0.61 (0.27) | 0.53 (0.23) | 0.5 (0.22) | HC: 45 SUD +: 77 Total: 122 |
F(1, 117) = 3.46 p = 0.07 η2 = 0.03 |
F(1, 120) = 29.56
p < 0.001 η2 = 0.2 |
F(1, 120) = 0.6 p = 0.44 η2 = 0.01 |
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| Win/Stay | 134.28 (33.91) | 133.5 (32.91) | 131.63 (36.63) | 131.21 (31.49) | 139.17 (33.03) | HC: 45 SUD +: 77 Total: 122 |
F(1, 117) = 0.27 p = 0.6 η2 = 0 |
F(1, 120) = 2.61 p = 0.11 η2 = 0.02 |
F(1, 120) = 1.99 p = 0.16 η2 = 0.02 |
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| Win/Shift | 35.08 (28.17) | 37.88 (28.11) | 35.46 (29.6) | 39.06 (25.85) | 30.8 (27.94) | HC: 45 SUD +: 77 Total: 122 |
F(1, 117) = 1.42 p = 0.24 η2 = 0.01 |
F(1, 120) = 2.15 p = 0.15 η2 = 0.02 |
F(1, 120) = 1.24 p = 0.27 η2 = 0.01 |
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| Lose/Stay | 47.11 (29.45) | 39.33 (25.51) | 46.42 (30.11) | 45.98 (24.45) | 52.96 (32.66) | HC: 45 SUD +: 77 Total: 122 |
F(1, 117) = 7.21
p = 0.008 η2 = 0.06 |
F(1, 120) = 9.16
p = 0.003 η2 = 0.07 |
F(1, 120) = 0.06 p = 0.8 η2 = 0 |
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| Lose/Shift | 83.52 (30.99) | 89.29 (27.39) | 86.49 (32.07) | 83.75 (27.07) | 77.07 (33.27) | HC: 45 SUD +: 77 Total: 122 |
F(1, 117) = 4.08
p = 0.05 η2 = 0.03 |
F(1, 120) = 12.7
p < 0.001 η2 = 0.1 |
F(1, 120) = 0.79 p = 0.38 η2 = 0.01 |
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| PROPENSITY-MATCHED | |||||||||
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| TOTAL | BASELINE | FOLLOW-UP | USABLE DATA (N) | EFFECT OF CLINICAL STATUS | EFFECT OF SESSION | EFFECT OF CLINICAL STATUS/SESSION INTERACTION | |||
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| HCS | SUDS | HCS | SUDS | ||||||
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| 70 | 45 | 25 | 45 | 25 | |||||
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| Wins | 180.76 (12.56) | 182.4 (12.46) | 177.92 (11.15) | 182.44 (11.95) | 177.64 (14.65) | HC: 45 SUD +: 25 Total: 70 |
F(1, 65) = 3.44 p = 0.07 η2 = 0.05 |
F(1, 68) = 0 p = 0.97 η2 = 0 |
F(1, 68) = 0.01 p = 0.93 η2 = 0 |
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| Mean Reaction Time | 0.55 (0.23) | 0.62 (0.25) | 0.57 (0.21) | 0.53 (0.23) | 0.47 (0.17) | HC: 45 SUD +: 25 Total: 70 |
F(1, 65) = 1.87 p = 0.18 η2 = 0.03 |
F(1, 68) = 14.39
p < 0.001 η2 = 0.17 |
F(1, 68) = 0.04 p = 0.85 η2 = 0 |
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| Win/Stay | 132.44 (32.63) | 132.96 (33.22) | 129.64 (38.41) | 132.24 (32.13) | 134.68 (27.58) | HC: 45 SUD +: 25 Total: 70 |
F(1, 65) = 0 p = 0.97 η2 = 0 |
F(1, 68) = 0.09 p = 0.76 η2 = 0 |
F(1, 68) = 0.39 p = 0.54 η2 = 0.01 |
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| Win/Shift | 36.78 (27.93) | 38.11 (28.05) | 37.04 (33.09) | 38.09 (26.38) | 31.76 (25.9) | HC: 45 SUD +: 25 Total: 70 |
F(1, 65) = 0.46 p = 0.5 η2 = 0.01 |
F(1, 68) = 0.28 p = 0.6 η2 = 0 |
F(1, 68) = 0.49 p = 0.49 η2 = 0.01 |
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| Lose/Stay | 46.19 (29.26) | 38.31 (25.88) | 51 (30.01) | 45.22 (24.7) | 57.32 (37.94) | HC: 45 SUD +: 25 Total: 70 |
F(1, 65) = 4.56
p = 0.04 η2 = 0.07 |
F(1, 68) = 3.97
p = 0.05 η2 = 0.06 |
F(1, 68) = 0.01 p = 0.93 η2 = 0 |
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| Lose/Shift | 84.59 (29.69) | 90.62 (27.71) | 82.32 (32.22) | 84.44 (27.78) | 76.24 (33.13) | HC: 45 SUD +: 25 Total: 70 |
F(1, 65) = 2.04 p = 0.16 η2 = 0.03 |
F(1, 68) = 3.13 p = 0.08 η2 = 0.04 |
F(1, 68) = 0 p = 0.99 η2 = 0 |
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* Analyses are reported using results from LMEs accounting for age, sex, and premorbid IQ (WRAT). Significant effects are bolded.