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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: AIDS Care. 2013 Jun 14;26(1):10.1080/09540121.2013.804900. doi: 10.1080/09540121.2013.804900

Table 1.

Baseline and interview characteristics associated with the interaction of CAGE questionnaire results and history of injection drug use status for the participants in the LISA cohort.

Factors Interaction of CAGE Questionnaire Results and History of Injection Drug Use

No history of alcohol
and injection drug use
N = 100
History of alcohol or
injection drug use
N = 325
History of both alcohol
and injection drug use
N = 112
p-value

Sex
Male 88 (88%) 233 (72%) 75 (67%) <0.0001
Female 12 (12%) 92 (28%) 37 (33%)
Baseline HAART Regimen
Unboosted PI 26 (26%) 85 (26%) 24 (21%) 0.6554
Boosted PI 36 (36%) 101 (31%) 35 (31%)
NNRTI 38 (38%) 139 (43%) 53 (47%)
Adherence to HAART (6 months before interview)
≥95% 86 (86%) 220 (68%) 58 (52%) <0.0001
<95% 14 (14%) 105 (32%) 54 (48%)
Baseline Age (years) 43 (36 – 49) 40 (33 – 47) 41 (36 – 45) 0.1856
CD4 cell count (cells/mm3)
Baseline 225 (80 – 315) 190 (110 – 290) 190 (145 – 350) 0.3000
At the time of interview 500 (345 – 660) 350 (210 – 550) 280 (170 – 430) <0.0001
• Percent change from baseline 128 (50 – 393) 93 (4 – 260) 30 (−14 – 135) <0.0001
• Difference from baseline 260 (140 – 400) 159 (10 – 320) 65 (−35; – 220) <0.0001
Plasma Viral Load (log10 copies/mL)
Baseline 5 (4.8 – 5.0) 5 (4.6 – 5.0) 4.8 (4.3 – 5.0) 0.0001
• Difference from baseline −2.3 (−2.3 – −2.0) −2.2 (−2.3 – −1.5) −1.7 (−2.3 – −0.6) <0.0001
Follow-up from baseline to the interview (years) 5.2 (2.0 – 9.2) 5.3 (2.2 – 8.8) 3.9 (2.2 – 8.4) 0.4067

NNRTI: non-nucleoside reverse transcriptase inhibitor; Boosted PI: protease inhibitor boosted with ≤400mg/day ritonavir; Unboosted PI: single protease inhibitor.