Table 4.
Age adjusted* hepatitis B immune status by serosurvey and risk group, males aged 18–29 years
| Serosurvey | Risk group | % Past infection (95% CI) | % Vaccine conferred (95% CI) | % Total immune (95% CI) |
|---|---|---|---|---|
| Prisoner | Indigenous | 33·0 (21·7–44·4) | 26·4 (13·4–39·3) | 59·4 (45·9–72·9) |
| Non-Indigenous | 7·3 (3·6–11·0) | 37·2 (30·3–44·1) | 44·5 (37·4–51·6) | |
| IDU | 19·3 (12·1–26·4) | 43·5 (34·2–52·8) | 62·8 (53·7–71·9) | |
| Non-IDU | 6·8 (1·9–11·6) | 26·2 (18·5–33·9) | 32·9 (24·4–41·5) | |
| First-time entrant | 5·4 (0·2–10·5) | 20·7 (12·4–29·1) | 26·1 (16·7–35·5) | |
| Previous imprisonment | 17·1 (11·3–23·0) | 44·0 (36·0–52·0) | 61·1 (53·2–69·0) | |
| Total | 12·9 (8·8–17·0) | 35·3 (29·3–41·3) | 48·2 (41·9–54·5) | |
| National | Total | 3·0 (0·9–5·2) | 43·4 (35·9–50·8) | 46·4 (38·9–53·8) |
CI, Confidence interval; IDU, injecting drug user.
*
Adjusted to the age-specific distribution of the 2007 Australian male population.