Table 1. Characteristics of the selective HBV vaccination programme for behavioural high-risk groups, The Netherlands, 1998–2010.

	Men who have sex with men	Heterosexuals with frequent partner change†	Drug users	Commercial sex workers
Number receiving first dose	32,746	40,717	17,127	14,518
Vaccination locations ‡
Public Health Service (%)	51·4	39·1	5·3	23·5
STD clinic (%)	27·4	29·8	2·5	10·7
Outreach§ (%)	19·0	9·0	10·2	59·9
Drug services (%)	0·3	0·7	57·5	0·5
Prison (%)	0·7	21·0	24·4	5·3
General Practice (%)	1·3	0·4	0·1	0·2
Prevalence ¶
anti-HBc prevalence (%) [95% CI]	11·3 [11.0–11·7]	5.4 [5·1–5·6]	14·5 [13·9–15·0]	16·0 [15·4–16·7]
HBsAg prevalence (%) [95% CI]	0·6 [0·6–0·7]	0·6 [0.5–0·7]	0·8 [0·7–1·0]	1·2 [1·0–1·4]
Compliance (%) ∥	73·7	60·2	58·0	50·7

Anti-HBc = antibody to the hepatitis B core antigen; CI = Confidence interval; HBsAg = hepatitis B surface antigen; STD = sexually transmitted disease.

^†Heterosexuals with frequent partner changes were no longer included in the programme from 2007 onwards.

^‡Proportion of the first vaccinations given at different locations, in percentages. Note: information about the vaccine location was missing for 3856 vaccinations.

^§Outreach locations included bars and saunas frequented by MSM, shelters for homeless people, and commercial sex worker locations.

^¶Prevalence was calculated by dividing the number of patients with a positive test by the total number with a test result.

^∥Compliance is defined as the proportion of those susceptible at the first vaccination completing three doses. Data up to 30 June 2011 were included.