Median age (range) | 30 years | 29 years | |
| (17–69 y) | (16–70 y) | |
Sex | | | |
Male | 50 (42.7) | 100 (42.7) | 1.00 |
Female | 67 (57.3) | 134 (57.3) | |
Status | | | |
Single | 73 (62.3) | 178 (76) | 0.02 |
Married | 35 (30) | 39 (16.6) | |
Divorced/separated/widowed | 9 (7.7) | 17 (7.2) | |
Sexuality | | | |
Heterosexuals | 109 (93) | 217 (92.7) | 0.88 |
Homo/bisexuals | 8 (7) | 17 (7.3) | |
Country of birth | | | |
UK | 15 (12.8) | 169 (72.2) | |
China | 29 (24.7) | | |
Malaysia | 28 (23.9) | | |
Vietnam | 12 (10.2) | | |
Others | 33 (28.2) | 65 (27.7) | |
Presence of STIs other than HBV | 36 (30.7) | 88 (37.6) | 0.21 |
History of previous HBV vaccination | 9 (7.6) | 31 (13.2) | 0.12 |