Table 2 Trends over time (2018–2022) in active hepatitis B virus infection and associated factors among blood donor candidates from Luanda, Angola.
Independent variables | N (%) | Years of active HBV infection diagnosis (2018–2022) | P-value | ||||
|---|---|---|---|---|---|---|---|
2018 (%) | 2019 (%) | 2020 (%) | 2021 (%) | 2022 (%) | |||
Overall | 9668 (100) | 1762 (18.2) | 1624 (16.8) | 1838 (19.0) | 2331 (24.1) | 2113 (21.9) | |
Age (years), Mean ± SD | 32.7 ± 8.08 | 34.3 ± 7.82 | 33.5 ± 7.69 | 34.7 ± 7.63 | 31.4 ± 8.13 | 30.7 ± 8.17 | < 0.001 |
Age distribution | |||||||
18–29 yrs | 3907 (40.4) | 552 (31.3) | 573 (35.3) | 525 (28.6) | 1148 (49.2) | 1109 (52.5) | < 0.001 |
30–40 yrs | 4196 (43.4) | 873 (49.5) | 774 (47.7) | 937 (51.0) | 872 (37.4) | 740 (35.0) | |
>40 yrs | 1565 (16.2) | 337 (19.1) | 277 (17.1) | 376 (20.5) | 311 (13.3) | 264 (12.5) | |
Gender | |||||||
Female | 754 (7.8) | 156 (8.9) | 130 (8.0) | 133 (7.2) | 161 (6.9) | 174 (8.2) | 0.149 |
Male | 8914 (92.2) | 1606 (91.1) | 1494 (92.0) | 1705 (92.8) | 2170 (93.1) | 1939 (91.8) | |
Occupation | |||||||
Unemployed | 242 (2.5) | 35 (2.0) | 52 (3.2) | 39 (2.1) | 82 (3.5) | 34 (1.6) | < 0.001 |
Employed | 7438 (76.9) | 1351 (76.7) | 1261 (77.6) | 1486 (80.8) | 1727 (74.1) | 1613 (76.3) | |
Student | 1988 (20.6) | 376 (21.3) | 311 (19.2) | 313 (17.0) | 522 (22.4) | 466 (22.1) | |
Residence | |||||||
Non-urbanized | 9391 (97.1) | 1714 (97.3) | 1586 (97.7) | 1786 (97.2) | 2261 (97.0) | 2044 (96.7) | 0.538 |
Urbanized | 277 (2.9) | 48 (2.7) | 38 (2.3) | 52 (2.8) | 70 (3.0) | 69 (3.3) | |
Marital status | |||||||
Unmarried | 9207 (95.2) | 1655 (93.9) | 1537 (94.6) | 1763 (95.9) | 2228 (95.6) | 2024 (95.8) | 0.019 |
Married | 461 (4.8) | 107 (6.1) | 87 (5.4) | 75 (4.1) | 103 (4.4) | 89 (4.2) | |
