Table 2:

Second and third HBV vaccine dose completion within 12 months of first dose in the SMS and pre-SMS groups, overall and by risk group.

	Second Dose Completion			Third Dose Completion
	Pre-SMS group (2007)(n/n) %	SMS group (2009)(n/n) %	Chi-square	Pre-SMS group (2007)(n/n) %	SMS group (2009)(n/n) %	Chi-square
Overall	(258/463)(56)	130/241(54)	0.65	141/463(30)	58/241(24)	0.07
PWID ever	7/15(47)	2/5(40)	0.80	5/15(33)	0/5(0)	0.14
GBM	153/292(52)	80/143(56)	0.49	78/292(27)	38/143(27)	0.98
HIV positive GBM	7/8(88)	3/4(75)	0.58	6/8(75)	1/4(25)	0.10
HIV negative GBM	146/284(51)	77/139(55)	0.44	72/284(25)	37/139(27)	0.78
Sex workers	92/111(83)	51/75(68)	0.02	58/111(52)	23/75(31)	0.00
Sex overseas in the last 12 months	73/123(59)	33/75(44)	0.04	39/123(32)	18/75(24)	0.25
Traveler	12/24(50)	2/13(15)	0.04	5/24(21)	0/13(0)	0.08

PWID = people who inject drugs, GBM = gay and bisexual male.