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Table 2 Logistic regression on HIV testing and receipt of test results among clients in addiction health services

From: Correlates of HIV testing and receipt of test results in addiction health services in Los Angeles County

Independent variables HIV Testing Receipt of HIV test results
  n = 89,383 n = 76,392
  OR SE 99 % CI OR SE 99 % CI
Predisposing factors       
Female 1.527** 0.106 1.277, 1.826 1.454** 0.123 1.169, 1.809
Age 0.998 0.001 0.994, 1.002 0.997 0.001 0.994, 1.000
Racea       
 Black 1.299* 0.112 1.039, 1.623 1.183 0.099 0.952, 1.468
 Latino 1.126 0.058 0.987, 1.285 1.003 0.049 0.884, 1.138
 Asian 0.945 0.052 0.820, 1.089 0.911 0.058 0.773, 1.074
Educationb       
 High school 1.434** 0.121 1.154, 1.782 1.336** 0.105 1.090, 1.636
 College or higher 1.991** 0.163 1.613, 2.457 1.930** 0.141 1.598, 2.331
Homeless 1.414** 0.109 1.161, 1.724 1.158 0.122 0.882, 1.519
Referralc       
 Community 1.146 0.144 0.829, 1.584 1.225 0.168 0.860, 1.746
 Proposition 36 1.388* 0.160 1.032, 1.866 1.354 0.169 0.980, 1.869
 Drug court 1.225 0.217 0.777, 1.933 1.307 0.238 0.818, 2.089
 Social services 1.282 0.143 0.961, 1.710 1.215 0.232 0.743, 1.987
Days incarcerated 1.010 0.006 0.995, 1.024 1.005 0.005 0.992, 1.019
Recovery support 1.039** 0.004 1.029, 1.049 1.034** 0.004 1.023, 1.045
Enabling factors       
Employed at admission 1.174* 0.070 1.006, 1.370 1.241** 0.079 1.055, 1.461
Days on waiting list 0.998 0.007 0.981, 1.015 0.993 0.005 0.979, 1.006
Treatment typed       
 Methadone 0.478 0.272 0.111, 2.069 0.612 0.344 0.144, 2.601
 Residential 1.738** 0.263 1.177, 2.565 1.672* 0.306 1.044, 2.680
Prior treatment episodes 1.069** 0.019 1.022, 1.118 1.048** 0.014 1.013, 1.083
Medication       
 None       
 Methadone/LAAM 1.144 0.150 0.817, 1.603 1.754** 0.302 1.126, 2.733
 Buprenorphine 1.220 0.113 0.962, 1.548 1.428 0.226 0.949, 2.146
 Other 1.598* 0.291 1.000, 2.554 1.288 0.434 0.541, 3.069
Outpatient medical visits 1.000 0.005 0.986, 1.014 0.994 0.008 0.972, 1.015
Outpatient psychiatric visits 0.992 0.008 0.973, 1.012 0.981 0.009 0.959, 1.004
Need factors       
Primary druge       
 Alcohol 0.783 0.081 0.600, 1.020 1.018 0.119 0.754, 1.375
 Methamphetamine 1.023 0.072 0.853, 1.226 1.189 0.127 0.902, 1.566
 Cocaine or crack 0.889 0.068 0.730, 1.083 1.069 0.116 0.808, 1.413
 Marijuana or hashish 0.753** 0.051 0.632, 0.897 0.897 0.090 0.693, 1.163
 Other 0.961 0.078 0.780, 1.184 1.238 0.128 0.948, 1.617
Days of primary drug use 1.003 0.003 0.996, 1.010 1.002 0.003 0.993, 1.011
Method of drug usef       
 Smoking 1.080 0.079 0.894, 1.306 1.165 0.073 0.992, 1.368
 Inhalation 1.217 0.101 0.982, 1.509 1.225* 0.089 1.016, 1.476
 Injection 1.389** 0.128 1.095, 1.762 1.602** 0.155 1.248, 2.057
 Other 1.285 0.260 0.763, 2.164 1.133 0.235 0.664, 1.932
Days of injection drug use 1.003 0.005 0.992, 1.015 0.991 0.006 0.975, 1.007
HCV diagnosis 2.346** 0.367 1.568, 3.510 1.632** 0.206 1.180, 2.258
STD diagnosis 3.403** 0.442 2.435, 4.756 2.535** 0.333 1.807, 3.555
History of mental illness 1.487** 0.121 1.206, 1.834 1.518** 0.140 1.198, 1.925
  1. CI confidence interval, HCV hepatitis C virus, LAAM levo-α-acetylmethadol, STD sexually transmitted disease
  2. aWhite was reference group
  3. bLess than high school was reference group
  4. cSelf-referral was reference group
  5. dOutpatient treatment was reference group
  6. eHeroin was reference group
  7. fOral was reference group
  8. *p < .01. **p < .001