Table 1:
Baseline characteristics of patients given their first HBV vaccine dose in the SMS group (2009) compared to the pre-SMS group (2007).
| Pre- SMS group (2007) | SMS group (2009) | P-value | |
|---|---|---|---|
| n = 463 (%) | n = 241 | ||
| Age group (years) | 0.02 | ||
| <20 | 37 (8) | 11 (5) | |
| 20–29 | 252 (54) | 152 (63) | |
| 30–39 | 106 (23) | 58 (24) | |
| 40+ | 68 (15) | 20 (8) | |
| Sex | 0.12 | ||
| Male | 319 (69) | 147 (61) | |
| Female | 139 (30) | 89 (37) | |
| Transgender | 3 (1) | 3 (1) | |
| Country of birth | 0.01 | ||
| Australia | 178 (38) | 57 (24) | |
| Asia | 166 (36) | 106 (44) | |
| Europe | 62 (13) | 35 (15) | |
| Other | 55 (12) | 41 (17) | |
| Unknown | 2 (0) | 2 (1) | |
| Risk group | |||
| GBM | 292 (63) | 143 (59) | 0.15 |
| HIV positive GBM | 8 (2) | 4 (2) | 0.19 |
| HIV negative GBM | 284 (61) | 139 (58) | 0.10 |
| Sex workers | 111 (24) | 75 (31) | 0.40 |
| PWID | 15 (3) | 5 (2) | 0.02 |
| Sex overseas in the last 12 months | 123 (27) | 75 (31) | 0.20 |
| Traveler | 24 (5) | 13 (5) | 0.73 |
| Place of residence | 0.80 | ||
| Metropolitan NSW | 444 (96) | 228 (95) | |
| Regional/Rural NSW | 7 (2) | 5 (2) |
GBM = gay and bisexual male; PWID = people who inject drugs; NSW = New South Wales.