Table 2 Demographic and initial characteristics of the 1,212 immigrants enrolled in the study, according to HBV serology
HBsAg positive | HBsAg negative/anti-HBc positive | HBsAg/anti-HBc negative | HBsAg positive + HBsAg negative/anti-HBc positive vs. negative for both | |
|---|---|---|---|---|
N° of patients | 116 | 490 | 606 | |
Age, years, mean ± SD | 32.4 ± 8 α | 34 ± 10 b | 33.7 ± 11 c | 0.50 |
Males, n° (%) | 97 (81.5) | 396 (80.8) | 420 (70) | 0.000 |
Legal status | 0.9 | |||
Undocumented immigrants | 78 (71.6) | 339 (69.2) | 414 (68) | |
Low-income refugees | 38 (28.4) | 151 (30.8) | 192 (31.7) | |
Country of origin, n° (% by row) | ||||
Eastern Europe, 233 cases | 14 (6.0) | 73 (31.3) | 146 (62.7) | 0.000 |
Northern Africa, 87 cases | 3 (3.5) | 17 (19.5) | 67 (77.0) | |
SSA, 665 cases | 93 (14.0) | 345 (51.9) | 227 (34.1) | |
India-Pakistan area, 175 cases | 5 (2.9) | 46 (26.3) | 124 (70.8) | |
Others, 52 cases | 1 (1.9) | 9 (17.3) | 42 (80.8) | |
In Italy for months, mean ± SD | 42.2 ± 50 | 52.7 ± 51 | 51 ± 55.5 | 0.92 |
Years of schooling, mean ± SD | 4.5 ± 3.9 | 12.9 ± 2.9 | 8.1 ± 5.3 | 0.000 |
n° (%) with alcohol intake | 22 (16) | 102 (20.8) | 131 (21.6) | 0.67 |
Declared risk factors, n° (% by column) | ||||
Drug addiction | 0 | 5 (1) | 3 (0.5) | |
Unsafe sexual intercourse | 21 (18) | 85 (17.3) | 113 (18.6) | 0.68 |
Surgery, dental care, abortion | 56 (48.3) | 247 (50.4) | 315 (52) | |
Blood transfusion | 2 (1.7) | 10 (2) | 4 (0.7) | |
Other parenteral exposurea | 93 (80) | 351 (71.6) | 441 (72.8) | |
Did not declare risk factors | 12 (10.3) | 71 (14.5) | 92 (15.2) | |