Table 3: Factors Associated with HAART Regimen Change at 12 Months after Initiation.

REGIMEN
SWITCH
N=610
(24.8%)
N(%) or
Median(IQR)
NO REGIMEN
SWITCH
N=1847
(75.2%)
N(%) or
Median(IQR)
UNIVARIATE
ODDS RATIO
(95% CI)
P-
VALUE
MULTIVARIATE
ODDS RATIO
(95% CI)
P-
VALUE
Demographics
Age(years) 34 (10.0) 34 (11.0) 1.00 (0.99,1.01) 0.444 0.98 (0.96,0.99) 0.0006
Gender(%Female) 64 (10.5%) 158 (8.1%) 1.35 (0.99,1.83) 0.0594
Marital
Status(%Married)
156 (30.6%) 182 (29.8%) 0.93 (0.76,1.13) 0.4685
Race/Ethnicity 0.0012
Caucasian 271 (44.4%) 769 (41.6%) referent referent
African-American 231 (37.9%) 821 (44.5%) 0.80 (0.65,0.98) 0.0283 0.76 (0.6,0.98) 0.0332
Hispanic 63 (10.3%) 168 (9.1%) 1.06 (0.77,1.47) 0.7043 1.22 (0.84,1.77) 0.3018
Other 45 (7.4%) 89 (4.8%) 1.44 (0.98,2.11) 0.0654 1.77 (1.11,2.83) 0.0165
Rank Status
Officer/Warrant 53 (8.7%) 185 (10.0%) 0.92 (0.66,1.26) 0.5873
Enlisted 468 (76.7%) 1494 (80.9%) referent
Duty Status
Active 495 (81.1%) 1573 (85.2%) referent
Retired 29 (4.8%) 88 (4.8%) 1.05 (0.68,1.61) 0.834
Dependent 46 (7.5%) 88 (4.8%) 1.66 (1.15,2.41) 0.0072
Other 40 (6.6%) 98 (5.3%) 1.3 (0.89,1.9) 0.1813
Site
NMCP 37 (6.1%) 140 (7.6%) 0.76 (0.52,1.12) 0.1711
NMCSD 92 (15.1%) 264 (14.3%) 1.01 (0.77,1.32) 0.9607
SAMMC 183 (30.0%) 553 (29.9%) 0.96 (0.77,1.18) 0.6812
TAMC 9 (1.5%) 55 (3.0%) 0.47 (0.23,0.97) 0.0407
WRNMMC 289 (47.4%) 835 (45.2%) referent
HIV Related
HIV Diagnosis to HAART initiation (months) 52 (98.2) 29 (75.6) 1.003 (1.001,1.005) <.0001
Viral load at HAART Initiation (log copies/ml) 0.0271
<400 34 (5.6%) 188 (10.2%) referent referent
400-<1000 47 (7.7%) 189 (10.2%) 1.38 (0.85,2.23) 0.1983 1.06 (0.61,1.86) 0.8287
1000-<10000 131 (21.5%) 343 (18.6%) 2.11 (1.39,3.21) 0.0004 1.82 (1.13,2.94) 0.0138
>=10000 381 (62.5%) 1047 (56.7%) 2.01 (1.37,2.95) 0.0004 1.67 (1.07,2.6) 0.0241
Missing 17 (2.8%) 80 (4.3%)
CD4 Cell Count at HAART initiation (cells/ml) 0.0001
<200 203 (33.3%) 306 (16.6%) 2.65 (2.1,3.34) <.0001 1.94 (1.43,2.63) <.0001
200-<350 165 (27.0%) 567 (30.7%) 1.16 (0.93,1.46) 0.1964 1.14 (0.88,1.49) 0.3289
>=350 216 (35.4%) 863 (46.7%) referent referent
Missing 26 (4.3%) 111 (6.0%)
ARV Prior to HAART (%) 365 (59.8%) 748 (40.5%) 2.19 (1.82,2.64) <.0001 2.06 (1.63,2.62) <.0001
Period of HAART Initiation
1996-2001 466 (76.4%) 1142 (61.8%) 2.46 (1.8,3.35) <.0001
2002-2007 91 (14.9%) 386 (20.9%) 1.42 (0.98,2.05) 0.0636
2008-2012 53 (8.7%) 319 (17.3%) referent
Comorbidities
Malignancy other than Basal Cell Carcinoma 100 (16.4%) 173 (9.4%) 1.90 (1.46,2.47) <.0001
Diabetes Mellitus 68 (11.1%) 133 (7.2%) 1.62 (1.19,2.20) 0.0022
Anxiety Disorder 71 (11.6%) 144 (7.8%) 1.56 (1.15,2.10) 0.0038
Major Depression 196 (32.1%) 398 (21.5%) 1.72 (1.41,2.11) <.0001 1.48 (1.15,1.9) 0.0023
Substance Abuse 85 (13.9%) 198 (10.7%) 1.35 (1.03,1.77) 0.0315
Serum Levels at HAART Initiation
ALT(U/L) 34 (26.0) 32 (23.0) 1.00 (1.00,1.00) 0.1366
Creatinine (mg/dL) 1 (0.2) 1 (0.2) 0.79 (0.50,1.24) 0.3023
Hemoglobin(g/dL) 14 (2.1) 14 (1.7) 0.85 (0.79,0.91) <.0001 0.9 (0.83,0.97) 0.0048

Abbreviations: HAART, highly active antiretroviral therapy; NMCP, Naval Medical Center Portsmouth; NMCSD, Naval Medical Center San Diego; SAMMC, San Antonio Military Medical Center; TAMC, Tripler Army Medical Center; WRNMMC, Walter Reed National Military Medical Center, Bethesda; NNRTI, non-nucleoside reverse transcriptase inhibitor; PI, protease inhibitor; NRTI, nucleoside reverse transcriptase inhibitor; ARV, antiretroviral; ALT, alanine aminotransferase.