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. Author manuscript; available in PMC: 2011 Nov 15.
Published in final edited form as: J Infect Dis. 2010 Oct 11;202(10):1500–1509. doi: 10.1086/656776

Table 2.

ADHERENCE TO THE THREE-DOSE HB VACCINE IN DRUG USERS BY INTERVENTION GROUPS AND STATUS OF INJECTING DRUG USE.

TOTAL
N=1260
 IDUs
N=378
 NON-IDUs
N=882
TWO ARM
COMPARISON		 Adherence OR (95% CI)
P-value		 Adherence OR (95% CI)
P-value		 Adherence OR (95% CI)
P-value
Behavioral Intervention
      Standard 477/630 (76%) Reference 132/187 (71%) Reference 345/443 (78%) Reference
      Enhanced 463/630 (74%) 0.89 (0.69–1.15)
P=0.37		 137/191 (72%)
 1.06 (0.68–1.65)
P=0.81		 327/439 (75%) 0.83 (0.61–1.13)
P=0.24
Vaccine Intervention
      Standard Schedule 454/626 (73%) Reference 115/174 (66%) Reference 339/452 (75%) Reference
      Accelerated Schedule 486/634 (77%) 1.24 (0.97–1.60)
P=0.09		 154/204 (76%) 1.58 (1.01–2.47)
P=0.04		 333/430 (77%) 1.14 (0.84–1.56)
P=0.39
FOUR ARM
COMPARISON
Behavioral: Standard
Vaccine: Standard 237/324 (73%) Reference 59/89 (66%) Reference 178/235 (76%) Reference
Behavioral: Enhanced
Vaccine: Standard 217/302 (72%) 0.94 (0.66–1.33)
P=0.18		 56/85 (66%) 0.98 (0.52–1.84)
P=0.95		 161/217 (74%) 0.92 (0.60–1.41)
P=0.70
Behavioral: Standard
Vaccine: Accelerated 240/306 (78%) 1.34(0.92–1.93)
P=0.08		 73/98 (75%) 1.48 (0.79–2.79)
P=0.22		 167/208 (80%) 1.30 (0.83–2.05)
P=0.25
Behavioral: Enhanced
Vaccine: Accelerated 247/328 (75%) 1.12(0.78–1.59)
P=0.80		 81/106 (76%) 1.65 (0.88–3.09)
P=0.12		 166/222 (75%) 0.95 (0.62–1.45)
P=0.81