Table 1.
Descriptive Statistics (Means and Standard Deviations) for Demographic and Clinical Measures by Group and Session.
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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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| Age | 34.17 (10.18) | 32.19 (11.19) | 35.32 (9.46) | N/A | N/A | HC: 48 SUD +: 83 Total: 131 |
t(129) = –1.7 p = 0.09 d = –0.3 |
N/A | N/A |
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| Sex (Male) | 114 (44%) | 22 (46%) | 35 (42%) | N/A | N/A | HC: 48 SUD +: 83 Total: 131 |
χ2(1) = 0.17 p = 0.68 |
N/A | N/A |
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| DAST | 3.48 (3.72) | 0.12 (0.39) | 7.55 (2.17) | 0.45 (0.55) | 2.72 (3.01) | HC: 38 SUD +: 81 Total: 119 |
F(1, 117) = 193.62
p < 0.001 η2 = 0.62 |
F(1, 117) = 177.72
p < 0.001 η2 = 0.6 |
F(1, 117) = 102.46
p < 0.001 η2 = 0.47 |
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| PHQ | 3.67 (5.1) | 0.88 (1.33) | 6.84 (6.11) | 1.08 (1.81) | 3.35 (4.69) | HC: 38 SUD +: 80 Total: 118 |
F(1, 116) = 30.51
p < 0.001 η2 = 0.21 |
F(1, 116) = 25.15
p < 0.001 η2 = 0.18 |
F(1, 116) = 16.44
p < 0.001 η2 = 0.12 |
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| OASIS | 3.7 (4.35) | 1.48 (2.01) | 5.99 (4.74) | 1.39 (2.27) | 3.74 (4.49) | HC: 38 SUD +: 81 Total: 119 |
F(1, 117) = 27.47
p < 0.001 η2 = 0.19 |
F(1, 117) = 177.72
p < 0.001 η2 = 0.6 |
F(1, 117) = 8.82
p = 0.004 η2 = 0.07 |
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| WRAT | 60.42 (6.26) | 63.78 (4.61) | 58.45 (6.31) | N/A | N/A | HC: 45 SUD +: 77 Total: 122 |
t(120) = 4.94
p < 0.001 d = 0.9 |
N/A | N/A |
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| Regular Nicotine Smoker* | 68 (26%) | 7 (15%) | 27 (33%) | N/A | N/A | HC: 46 SUD +: 47 Total: 93 |
χ2(1) = 17.87
p < 0.001 |
N/A | N/A |
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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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| Age | 32.4 (10.37) | 32.27 (11.25) | 32.65 (8.91) | N/A | N/A | HC: 45 SUD +: 25 Total: 70 |
t(68) = –0.14 p = 0.89 d = –0.04 |
N/A | N/A |
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| Sex (Male) | 68 (49%) | 21 (47%) | 13 (52%) | N/A | N/A | HC: 45 SUD +: 25 Total: 70 |
χ2(1) = 0.18 p = 0.67 |
N/A | N/A |
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| DAST | 2.31 (3.4) | 0.13 (0.4) | 7.6 (2.36) | 0.45 (0.55) | 3.76 (3.37) | HC: 38 SUD +: 25 Total: 63 |
F(1, 61) = 186.8
p < 0.001 η2 = 0.75 |
F(1, 61) = 24.9
p < 0.001 η2 = 0.29 |
F(1, 61) = 60.05
p < 0.001 η2 = 0.5 |
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| PHQ | 2.74 (4) | 0.87 (1.36) | 7.68 (5.15) | 1.08 (1.81) | 3.72 (3.96) | HC: 38 SUD +: 25 Total: 63 |
F(1, 61) = 63.99
p < 0.001 η2 = 0.51 |
F(1, 61) = 6.59
p = 0.01 η2 = 0.1 |
F(1, 61) = 16.84
p < 0.001 η2 = 0.22 |
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| OASIS | 3.01 (3.8) | 1.44 (1.99) | 6.72 (4.46) | 1.39 (2.27) | 4.56 (4.33) | HC: 38 SUD +: 25 Total: 63 |
F(1, 61) = 40.52
p < 0.001 η2 = 0.4 |
F(1, 61) = 2.69 p = 0.11 η2 = 0.04 |
F(1, 61) = 5.59
p = 0.02 η2 = 0.08 |
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| WRAT | 63.29 (4.83) | 63.78 (4.61) | 62.4 (5.22) | N/A | N/A | HC: 45 SUD +: 25 Total: 70 |
t(68) = 1.14 p = 0.26 d = 0.28 |
N/A | N/A |
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| Regular Nicotine Smoker* | 32 (23%) | 7 (16%) | 9 (36%) | N/A | N/A | HC: 44 SUD +: 17 Total: 61 |
χ2(1) = 8.69
p = 0.003 |
N/A | N/A |
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* Defined as >3650 lifetime cigarettes. DAST = Drug Abuse Screening Test. PHQ = Patient Health Questionnaire. OASIS = Overall Anxiety Severity and Impairment Scale. WRAT = Wide Range Achievement Test. Significant effects are bolded.