Research Article

Impulsivity, Sensation Seeking, and Risk-Taking Behaviors among HIV-Positive and HIV-Negative Heroin Dependent Persons

Table 3

Comparison of subscale scores in each test between current and former opiate addict HIV-positive and HIV-negative participants.

ItemHIV-positive group HIV-negative group value
Current addictsFormer addictsCurrent addictsFormer addicts

Zuckerman Sensation Seeking Scale (SSS)
Thrill and adventure seeking 6.41 ± 2.996.97 ± 2.636.33 ± 2.186.33 ± 2.910.75
Experience seeking 4.93 ± 2.083.68 ± 1.513.27 ± 1.723.33 ± 2.330.004
Disinhibition3.72 ± 1.853.32 ± 1.442.77 ± 1.993.13 ± 1.790.22
Boredom susceptibility3.07 ± 1.792.35 ± 1.452.73 ± 1.232.23 ± 1.610.14
SSS total score18.14 ± 6.3116.32 ± 5.1215.10 ± 4.5915.03 ± 5.700.10

Balloon Analogue Risk Task (BART)
Average Number of puffs in Successful Balloons33.00 ± 13.5735.93 ± 19.8026.66 ± 14.7823.70 ± 11.880.012
Number of Successful Balloons 17.63 ± 3.6317.43 ± 4.4022.21 ± 4.2523.03 ± 3.77<0.001
Average Number of puffs in Each Balloon29.21 ± 10.1231.43 ± 14.1824.93 ± 12.8222.40 ± 10.320.02

Barratt Impulsiveness Scale (BIS)
Nonplanning impulsivity29.83 ± 4.0827.03 ± 3.7027.23 ± 5.5726.27 ± 4.380.018
Motor impulsivity27.07 ± 4.5823.84 ± 5.4525.30 ± 6.3023.83 ± 6.840.64
Cognitive impulsivity20.59 ± 4.1318.42 ± 4.1917.07 ± 4.0918.27 ± 5.680.033
BIS total score75.41 ± 9.7769.29 ± 10.7769.60 ± 13.4568.57 ± 14.790.13

Iowa Gambling Task (IGT)
Total duration of IGT (seconds)268473.43 ± 104624.35301947.19 ± 208890.0333373.52 ± 185294.59296714.35 ± 883040.58
Net amount of win (win − loss)−13141.30 ± 10152.75−12263.89 ± 12239.43−14526.09 ± 12693.19−13959.78 ± 162970.93
IGT total score −3.48 ± 18.29−1.78 ± 24.30−5.57 ± 26.47−5.74 ± 32.630.94

Data are represented as mean ± SD.
One-way ANOVA.