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Table 4 Bivariate correlates to vaccine acceptability (n = 433)

From: HIV vaccine acceptability among high-risk drug users in Appalachia: a cross-sectional study

Characteristic Vaccine acceptability Bivariate
Not very likelya(n = 176) Very likely (n = 257) OR (95% CI) p-value
Demographic     
  Male 122 (69.3) 117 (45.5) 0.24 (0.12- 0.48) <0.001**
  White 163 (92.6) 244 (94.9) 2.16 (0.68 – 6.90) 0.194
  Age - mean (SD) 36.3 (9.3) 34.9 (8.1) 0.96 (0.94 – 0.99) 0.018*
  Income (n = 432) - mean (SD) $908 (1473) $913 (1125) 1.00 (1.00 - 1.00) 0.629
  High school graduate 93 (52.8) 158 (61.5) 1.63 (0.93 – 2.85) 0.088
  Uninsured 114 (64.8) 171 (66.5) 1.32 (0.76 – 2.30) 0.331
  Married 41 (23.3) 70 (27.2) 1.58 (0.85 – 2.93) 0.144
Behavioral (past 6 months)     
  Injected drugs 46 (26.1) 100 (38.9) 2.54 (1.41 – 4.58) 0.002**
  Injected with unclean needle 9 (5.1) 24 (9.3) 4.53 (1.53 – 13.39) 0.006**
  Distributed unclean needleb 5 (2.8) 11 (4.3) 3.23 (0.72 – 14.38) 0.125
  Shared injection equipmentc 18 (10.2) 37 (14.4) 2.02 (0.90 – 4.55) 0.090
  Had multiple sex partners 35 (19.9) 68 (26.5) 1.53 (0.78 – 2.98) 0.213
  Had unprotected sex 120 (68.2) 188 (73.2) 1.49 (0.68 – 2.66) 0.180
  Unprotected sex with PWID 24 (13.6) 61 (23.7) 3.33 (1.64 – 6.76) 0.001**
Attitudes about HIV     
  Severity of HIV 173 (98.3) 254 (98.8) 1.53 (0.13 – 18.25) 0.738
  Susceptibility to HIV 23 (13.1) 77 (30.0) 4.63 (2.17 – 9.90) <0.001**
  Benefits of HIV vaccine 103 (58.5) 210 (81.7) 5.85 (2.76 – 12.40) <0.001**
  Barriers to HIV vaccination 149 (84.7) 195 (75.9) 0.52 (0.26 – 1.03) 0.060
  Experiential attitude 127 (72.2) 216 (84.0) 3.14 (1.60 – 6.16) 0.001**
Subjective norms     
  Descriptive norms 65 (37.1) 130 (50.6) 2.36 (1.34 – 4.18) 0.003**
  Injunctive norms 85 (48.6) 166 (64.6) 2.67 (1.47 – 11.13) 0.001**
Agency     
  Behavioral control 101 (57.4) 175 (68.1) 1.88 (1.05 – 3.34) 0.032*
  Self-efficacy 26 (14.8) 57 (22.2) 2.01 (0.98 – 4.13) 0.058
  1. PWID: person who injects drugs; OR: odds ratio; CI: confidence interval; SD: standard deviation.
  2. *p < 0.05; **p < 0.01.
  3. aIncludes responses “very unlikely”, “unlikely”, and “likely”.
  4. bSold, loaned, or gave needle to someone after using it.
  5. cCookers, cottons, and/or rinse water.