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Table 2 Comparison of dependent variable means by study condition at pre- and post-test

From: Efficacy of a process improvement intervention on inmate awareness of HIV services: a multi-site trial

  Pretest Posttest
Dependent variables Experimental group Control group p Experimental group Control group p
(n = 653) (n = 599) (n = 618) (n = 430)
# of HIV Continuum Services Aware of 1.23 (1.2) 1.60 (1.3) .000 1.39 (1.2) 1.50 (1.3) .137
Staff Impact 2.68 (1.2) 2.91 (1.1) .000 2.83 (1.2) 2.90 (1.1) .361
HIV Medication and Pre-Release Planning 4.22 (1.1) 4.13 (1.1) .142 4.11 (1.2) 4.19 (1.0) .255
HIV Testing, Education, and Prevention 3.55 (1.0) 3.63 (0.9) .197 3.62 (1.0) 3.65 (1.0) .608
Consider going to HIV Education or getting tested for HIV 2.00 (1.0) 1.88 (0.9) .031 1.90 (0.9) 1.92 (1.0) .756
Concerned about getting HIV Infection 3.81 (1.5) 3.82 (1.5) .918 3.87 (1.5) 3.58 (1.5) .002
  1. Note. The mean values of groups on dependent variables are presented in the columns, with the standard deviations appearing in the parentheses immediately below the corresponding mean. Bonferroni adjustment to correct for an inflated Type 1 error rate (i.e., .05÷12 comparisons) yielded a significance level of p = .004. Therefore, interpretation of mean differences with associated significance levels above this are at a significantly increased risk for Type 1 error.