Table 2.
Hepatitis B surface-antibody seroprevalence by age group, sex and serosurvey
| Age group (years) | Prisoner serosurvey | National serosurvey | ||||||
|---|---|---|---|---|---|---|---|---|
| Males | Females | Males | Females | |||||
| Total tested | % Seropositive (95% CI) | Total tested | % Seropositive (95% CI) | Total tested | % Seropositive (95% CI) | Total tested | % Seropositive (95% CI) | |
| 18–24 | 138 | 45·7 (37·2–54·3) | 7 | 42·9 (9·9–81·6) | 86 | 50·0 (39·0–60·9) | 98 | 45·9 (35·8–56·3) |
| 25–29 | 104 | 51·9 (41·9–61·8) | 16 | 56·3 (29·9–80·3) | 95 | 41·1 (31·1–51·6) | 102 | 42·2 (32·4–52·3) |
| 30–39 | 151 | 49·7 (41·4–57·9) | 27 | 51·9 (31·9–71·3) | 88 | 40·9 (30·5–51·9) | 97 | 40·2 (30·4–50·7) |
| 40–58 | 83 | 43·4 (32·5–54·7) | 5 | 40·0 (5·3–85·3) | 156 | 33·9 (26·6–41·9) | 160 | 36·3 (28·8–44·2) |
| Total | 476 | 47·9 (43·3–52·5) | 55 | 50·9 (37·1–64·7) | 425 | 40·2 (35·5–45·1) | 457 | 40·5 (35·9–45·1) |
CI, Confidence interval.