Table 2.
Bivariable analysis of infectious marker seropositivity by demographic characteristics of blood donors in Georgia, 2015–2017
| Infectious Markers n (%) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HBsAg + | HBsAg − | P-value | Anti-HCV + | Anti-HCV − | P-value | HIV + | HIV − | P-value | T.Pallidum + | T.Pallidum − | P-value | |
| Overall | 1,928 (1.7) | 110,165 (98.3) | 2,745 (2.4) | 109,348 (97.6) | 231 (0.2) | 111,862 (99.8) | 1,262 (1.1) | 110,831 (98.9) | ||||
| Sex | ||||||||||||
| Female | 423 (1.2) | 34,714 (98.8) | <.0001 | 596 (1.7) | 34,541 (98.3) | <.0001 | 50 (0.1) | 35,087 (99.9) | 0.002 | 406 (1.2) | 34,731 (98.8) | 0.56 |
| Male | 1,492 (2.0) | 74,897 (98.0) | 2,135 (2.8) | 74,254 (97.2) | 179 (0.2) | 76,210 (99.8) | 852 (1.1) | 75,537 (98.9) | ||||
| Age (years) | ||||||||||||
| 18–29 | 570 (1.1) | 49,528 (98.9) | <.0001 | 577 (1.2) | 49,521 (98.8) | <.0001 | 103 (0.2) | 49,995 (99.8) | 0.70 | 208 (0.4) | 49,890 (99.6) | <.0001 |
| 30–39 | 828 (2.7) | 29,664 (97.3) | 824 (2.7) | 29,668 (97.3) | 69 (0.2) | 30,423 (99.8) | 273 (0.9) | 30,219 (99.1) | ||||
| 40–49 | 386 (2.0) | 19,408 (98.0) | 890 (4.5) | 18,904 (95.5) | 35 (0.2) | 19,759 (99.8) | 450 (2.3) | 19,344 (97.7) | ||||
| 50+ | 144 (1.2) | 11,565 (98.8) | 454 (3.9) | 11,255 (96.1) | 24 (0.2) | 11,685 (99.8) | 331 (2.8) | 11,378 (97.2) | ||||
| Region of Donation | ||||||||||||
| Tbilisi | 784 (1.3) | 60,673 (98.7) | <.0001 | 1,323 (2.2) | 60,134 (97.8) | <.0001 | 103 (0.2) | 61,354 (99.8) | <.0001 | 491 (0.8) | 60,966 (99.2) | <.0001 |
| Adjara | 395 (3.4) | 11,177 (96.6) | 245 (2.1) | 11,327 (97.9) | 53 (0.5) | 11,519 (99.5) | 267 (2.3) | 11,305 (97.7) | ||||
| Imereti | 416 (2.5) | 16,519 (97.5) | 521 (3.1) | 16,414 (96.9) | 29 (0.2) | 16,906 (99.8) | 286 (1.7) | 16,649 (98.3) | ||||
| Kvemo Kartli | 159 (1.2) | 12,760 (98.8) | 280 (2.2) | 12,639 (97.8) | 20 (0.2) | 12,899 (99.8) | 77 (0.6) | 12,842 (99.4) | ||||
| Samegrelo | 117 (2.7) | 4,156 (97.3) | 213 (5.0) | 4,060 (95.0) | 17 (0.4) | 4,256 (99.6) | 74 (1.7) | 4,199 (98.3) | ||||
| Shida Kartli | 57 (1.2) | 4,880 (98.8) | 163 (3.3) | 4,774 (96.7) | 9 (0.2) | 4,928 (99.8) | 67 (1.4) | 4,870 (98.6) | ||||
| Donor Type | ||||||||||||
| Repeat | 243 (0.4) | 54,873 (99.6) | <.0001 | 462 (0.8) | 54,654 (99.2) | <.0001 | 87 (0.2) | 55,029 (99.8) | 0.0005 | 403 (0.7) | 54,713 (99.3) | <.0001 |
| First Time | 1,685 (3.0) | 55,292 (97.0) | 2,283 (4.0) | 54,694 (96.0) | 144 (0.3) | 56,833 (99.7) | 859 (1.5) | 56,118 (98.5) | ||||
| Remuneration | ||||||||||||
| Volunteer | 574 (1.4) | 39,308 (98.6) | <.0001 | 672 (1.7) | 39,210 (98.3) | <.0001 | 67 (0.2) | 39,815 (99.8) | 0.12 | 215 (0.5) | 39,667 (99.5) | <.0001 |
| Paid | 400 (1.3) | 30,406 (98.7) | 879 (2.9) | 29,927 (97.1) | 63 (0.2) | 30,743 (99.8) | 354 (1.1) | 30,452 (98.9) | ||||
| Replacement | 727 (2.7) | 25,843 (97.3) | 836 (3.1) | 25,734 (96.9) | 66 (0.2) | 26,504 (99.8) | 496 (1.9) | 26,074 (98.1) | ||||
| Missing | 227 (1.5) | 14,608 (98.5) | 358 (2.4) | 14,477 (97.6) | 35 (0.2) | 14,800 (99.8) | 197 (1.3) | 14,638 (98.7) | ||||
anti‐HCV = hepatitis C virus antibody; HBsAg = hepatitis B surface antigen; HIV = human immunodeficiency virus.