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

Table 2

Comparison of subscale scores in each test between HIV-positive group and HIV-negative group.

Item	HIV-positive group	HIV-negative group	value^♦
Zuckerman Sensation Seeking Scale (SSS)
Thrill and adventure seeking	6.70 ± 2.80	6.33 ± 2.55	0.45
Experience seeking	4.28 ± 1.90	3.30 ± 2.03	0.007
Disinhibition	3.52 ± 1.65	2.95 ± 1.89	0.083
Boredom susceptibility	2.70 ± 1.65	2.48 ± 1.44	0.44
SSS total score	17.20 ± 5.75	15.07 ± 5.13	0.03
Balloon Analogue Risk Task (BART)
Average Number of puffs in Successful Balloons	34.58 ± 17.11	25.15 ± 13.35	0.002
Number of Successful Balloons	17.52 ± 4.02	22.63 ± 4.00	<0.001
Average Number of puffs in Each Balloon	30.40 ± 12.40	23.64 ± 11.58	0.004
Barratt Impulsiveness Scale (BIS)
Nonplanning impulsivity	28.38 ± 4.10	26.75 ± 4.99	0.053
Motor impulsivity	24.43 ± 5.04	24.57 ± 6.51	0.9
Cognitive impulsivity	19.47 ± 4.27	17.67 ± 4.94	0.035
BIS total score	72.25 ± 10.67	69.08 ± 14.02	0.16
Iowa Gambling Task (IGT)
Total duration of IGT (seconds)	286.54 ± 168.38	314.54 ± 144.77	0.38
Net amount of win (win − loss)	−12667.50  ±  −11223.32	−14242.93 ± 14446.33	0.55
IGT total score	−2.56 ± 21.54	−5.65 ± 29.38	0.55

Data are represented as mean ± SD.
^♦Independent sample -test.