Table 1 Socio-demographic characteristics of newly diagnosed human immunodeficiency virus (HIV)-positive cases in Korea in 2016–2023 and included in the Recent HIV Infection Study.
Study variables | Category | Recency assay results | |||
|---|---|---|---|---|---|
Total | Longstanding infection | Recent HIV infection | |||
N (%) | N (%) | N (%) | Distribution (%)* | ||
Overall | 7545 | 5577 (73.9) | 1968 (26.1) | 100 | |
Sex | Male | 6918 (91.7) | 5057 (73.1) | 1861 (26.9) | 94.6 |
Female | 627 (8.3) | 520 (82.9) | 107 (17.1) | 5.4 | |
Age∥ (years) | < 20 (16–19) | 53 (0.7) | 26 (49.1) | 27 (50.9) | 1.4 |
20 s (20–29) | 2332 (30.9) | 1433 (61.4) | 899 (38.6) | 45.7 | |
30 s (30–39) | 2422 (32.1) | 1809 (74.7) | 613 (25.3) | 31.1 | |
40 s (40–49) | 1279 (17.0) | 1056 (82.6) | 223 (17.4) | 11.3 | |
50 s (50–59) | 896 (11.9) | 767 (85.6) | 129 (14.4) | 6.6 | |
≥ 60 | 563 (7.5) | 486 (86.3) | 77 (13.7) | 3.9 | |
Nationality | Korean nationals | 6227 (82.5) | 4526 (72.7) | 1701 (27.3) | 86.4 |
Foreign nationals | 1318 (17.5) | 1051 (79.7) | 267 (20.3) | 13.6 | |
Region (residency) | Metropolitan | 4228 (56.0) | 3085 (73.0) | 1143 (27.0) | 58.1 |
Small city/rural area | 3317 (44.0) | 2492 (75.1) | 825 (24.9) | 41.9 | |
Transmission mode | MSM | 2821 (37.4) | 1968 (69.8) | 853 (30.2) | 43.3 |
Heterosexual contact | 2529 (33.5) | 1892 (74.8) | 637 (25.2) | 32.4 | |
Others | 266 (3.5) | 205 (77.1) | 61 (22.9) | 3.1 | |
Not known | 1779 (23.6) | 1406 (79.0) | 373 (21.0) | 19.0 | |
No-response | 150 (2.0) | 106 (70.7) | 44 (29.3) | 2.2 | |
Marital status | Married/Cohabiting | 1270 (16.8) | 1021 (80.4) | 249 (19.6) | 12.7 |
Single/Not married | 5585 (74.0) | 3996 (71.5) | 1589 (28.5) | 80.7 | |
Etc./Not recorded | 690 (9.2) | 560 (81.2) | 130 (18.8) | 6.6 | |
Occupation | Service worker | 344 (4.5 | 245 (71.2) | 99 (28.8) | 5.0 |
Production worker | 65 (0.9) | 55 (84.6) | 10 (15.4) | 0.5 | |
Student | 72 (1.0) | 35 (48.6) | 37 (51.4) | 1.9 | |
Others | 122 (1.6) | 98 (80.3) | 24 (19.7) | 1.2 | |
No response | 6942 (92.0) | 5144 (74.1) | 1798 (25.9) | 91.4 | |
Testing institute | Hospital/clinic | 5053 (67.0) | 3857 (76.3) | 1196 (23.7) | 60.8 |
Blood donation center | 395 (5.2) | 218 (55.2) | 177 (44.8) | 9.0 | |
Public health center | 1952 (25.9) | 1399 (71.7) | 553 (28.3) | 28.1 | |
Military Manpower Administration | 122 (1.6) | 86 (70.5) | 36 (29.5) | 1.8 | |
Correctional facility | 23 (0.3) | 17 (73.9) | 6 (26.1) | 0.3 | |
Testing purpose (combined) | Outpatient clinic visits† | 3285 (43.5) | 2416 (73.5) | 869 (26.5) | 44.2 |
Preoperative testing | 1062 (14.1) | 873 (82.2) | 189 (17.8) | 9.6 | |
Health checkups | 591 (7.8) | 482 (81.6) | 109 (18.4) | 5.5 | |
Voluntary testing‡ | 1644 (21.8) | 1154 (70.2) | 490 (29.8) | 24.9 | |
Blood donation screening | 360 (4.8) | 195 (54.2) | 165 (45.8) | 8.4 | |
Military manpower administration screening | 147 (2.0) | 105 (71.4) | 42 (28.6) | 2.1 | |
Others§ | 456 (6.0) | 352 (77.2) | 104 (22.8) | 5.3 | |
Testing purpose (single) | Outpatient clinic visits | 3262 (43.2) | 2396 (73.5) | 866 (26.6) | 44.0 |
Antenatal testing | 23 (0.3) | 20 (87.0) | 3 (13.0) | 0.2 | |
Preoperative testing | 1062 (14.1) | 873 (82.2) | 189 (17.8) | 9.6 | |
Health checkups | 591 (7.8) | 482 (81.6) | 109 (18.4) | 5.5 | |
Voluntary named testing | 993 (13.2) | 688 (69.3) | 305 (30.7) | 15.5 | |
Voluntary anonymous testing | 651 (8.7) | 466 (71.6) | 185 (28.4) | 9.4 | |
Blood donation screening | 360 (4.9) | 195 (54.2) | 165 (45.8) | 8.4 | |
Military Manpower Administration screening | 147 (2.0) | 105 (71.4) | 42 (28.6) | 2.1 | |
Foreign resident screening | 69 (0.9) | 59 (85.5) | 10 (14.5) | 0.5 | |
Correctional facility admission screening | 60 (0.8) | 52 (86.7) | 8 (13.3) | 0.4 | |
Routine STI screening | 108 (1.5) | 74 (68.5) | 34 (31.5) | 1.7 | |
Contact tracing of known HIV-positive individuals | 49 (0.7) | 39 (79.6) | 10 (20.4) | 0.5 | |
Etc | 93 (1.2) | 69 (74.2) | 24 (25.8) | 1.2 | |
No response | 77 (1.0) | 59 (76.6) | 18 (23.4) | 0.9 | |
Year of HIV diagnosis | 2016 | 935 (12.4) | 669 (71.6) | 266 (28.4) | 13.5 |
(sample collection) | 2017 | 1062 (14.1) | 781 (73.5) | 281 (26.5) | 14.3 |
2018 | 1020 (13.5) | 808 (79.2) | 212 (20.8) | 10.7 | |
2019 | 1059 (14.0) | 821 (77.5) | 238 (22.5) | 12.1 | |
2020 | 787 (10.4) | 563 (71.5) | 224 (28.5) | 11.4 | |
2021 | 805 (10.7) | 611 (75.9) | 194 (24.1) | 9.9 | |
2022 | 927 (12.3) | 651 (70.2) | 276 (29.8) | 14.0 | |
2023 | 950 (12.6) | 673 (70.8) | 277 (29.2) | 14.1 | |