Background
Methods
Study site
Blood donors
Serological analysis
Statistical analysis
Results
Sociodemographic characteristics of blood donors
Years | |||
---|---|---|---|
2004 | 2016 | Total | |
Number of donors | 10,904 | 9747 | 20,651 |
Gender N (%) | |||
Female | 2773 (25.4) | 2239 (23.0) | 5012 (24.3) |
Male | 8131 (74.6) | 7508 (77.0) | 15,639 (75.7) |
Age groups N (%) | |||
<18 years | 127 (1.2) | 15 (0.2) | 142 (0.7) |
18–24 years | 3114 (28.6) | 3042 (31.2) | 6156 (29.8) |
25–35 years | 4463 (40.9) | 4713 (48.4) | 9176 (44.4) |
36–45 years | 2404 (22.0) | 1525 (15.6) | 3929 (19.0) |
>45 years | 796 (7.3) | 452 (4.6) | 1248 (6.1) |
Blood donor type N (%) | |||
VNRD | 4246 (38.9) | 1822 (18.7) | 6068 (29.4) |
FRD | 6658 (61.1) | 7925 (81.3) | 14,583 (70.6) |
Occupation N (%) | |||
Healthcare workers | 58 (0.5) | 89 (0.9) | 147 (0.7) |
Students | 298 (2.7) | 2545 (26.1) | 2843 (13.8) |
Teachers/Researchers | 98 (0.9) | 206 (2.1) | 304 (1.5) |
Police and armed forces | 1846 (16.9) | 1196 (12.3) | 3042 (14.7) |
Drivers | 162 (1.5) | 613 (6.3) | 775 (3.8) |
Government employees | 234 (2.1) | 437 (4.5) | 671 (3.2) |
Tailors and Hairdressers | 84 (0.8) | 282 (2.9) | 366 (1.8) |
Hotel and restaurant workers | 12 (0.1) | 54 (0.6) | 66 (0.3) |
Merchants | 24 (0.2) | 98 (1.0) | 122 (0.6) |
Others | 8088 (74.2) | 4227 (43.4) | 12,315 (59.6) |
Decline in the seroprevalence of syphilis among first-time blood donors
Years | ||||
---|---|---|---|---|
2004 | 2016 | |||
Characteristics | % (n/N) | % (n/N) | OR (95% CI) | P-values |
8.4 (912/10904) | 2.4 (230/9747) | 3.78 (3.26–4.38) | <0.001 | |
Gender | ||||
Female | 6.3 (175/2773) | 2.1 (46/2239) | 3.21 (2.31–4.46) | <0.001 |
Male | 10.0 (737/8131) | 2.5 (184/7508) | 3.97 (3.37–4.68) | <0.001 |
Age groups (years) | ||||
<18 | 4.7 (6/127) | 0/15 | NA | NA |
18–24 | 4.6 (143/3114) | 1.0 (30/3042) | 4.83 (3.25–7.19) | <0.001 |
25–35 | 6.3 (282/4463) | 1.7 (80/4713) | 3.91 (3.02–5.02) | <0.001 |
36–45 | 12.5 (301/2404) | 5.0 (76/1525) | 2.73 (2.10–3.54) | <0.001 |
>45 | 22.6 (180/796) | 9.7 (44/452) | 2.71 (1.90–3.86) | <0.001 |
First time donor type | ||||
VNRD | 8.1 (347/4246) | 2.0 (36/1822) | 4.42 (3.12–6.25) | <0.001 |
FRD | 8.5 (565/6658) | 2.5 (194/7925) | 3.70 (3.13–4.36) | <0.001 |
Occupation | ||||
Healthcare workers | 5.2 (3/58) | 3.4 (3/89) | 1.56 (0.31–8.03) | 0.63 |
Students | 5.4 (16/298) | 1.2 (31/2545) | 4.60 (2.48–8.52) | <0.001 |
Teachers/researchers | 9.2 (9/98) | 7.3 (15/206) | 1.29 (0.54–3.06) | 0.73 |
Police and armed forces | 9.1 (168/1846) | 1.6 (19/1196) | 6.20 (3.84–10.03) | <0.001 |
Drivers | 4.9 (8/162) | 3.6 (22/613) | 1.40 (0.61–3.20) | 0.57 |
Government employees | 3.0 (7/234) | 2.3 (10/437) | 1.32 (0.50–3.51) | 0.77 |
Tailors and hairdressers | 0/84 | 3.6 (10/282) | NA | NA |
Hotel and restaurant workers | 0 (0/12) | 9.3 (5/54) | NA | NA |
Merchants | 8.3 (2/24) | 3.1 (3/98) | 2.88 (0.45–18.28) | 0.25 |
Others | 8.6 (699/8088) | 2.7 (112/4227) | 3.48 (2.84–4.26) | <0.001 |
Characteristics | OR (95% CI) | P-value |
---|---|---|
Year | ||
2004 | 3.29 (2.88–3.88) | <0.001 |
2016 | Reference | |
Gender | ||
Female | Reference | 0.002 |
Male | 1.29 (1.10–1.51) | |
Age groups (year) | ||
<18 | Reference | |
18–24 | 0.89 (0.39–2.06) | 0.79 |
25–35 | 0.28 (0.56–2.93) | 0.56 |
36–45 | 2.90 (1.27–6.63) | 0.01 |
>45 | 5.88 (2.55–13.55) | <0.001 |
First time donor type | ||
FRD | Reference | |
VNRD | 0.94 (0.83–1.08) | 0.39 |
Occupation | ||
Healthcare workers | Reference | |
Students | 1.08 (0.45–2.61) | 0.87 |
Teachers/researchers | 1.94 (0.77–4.94) | 0.16 |
Police and armed forces | 1.28 (0.55–2.98) | 0.57 |
Drivers | 1.04 (0.42–2.59) | 0.93 |
Government employees | 0.62 (0.24–1.63) | 0.33 |
Tailors and hairdressers | 0.83 (0.29–2.35) | 0.72 |
Hotel and restaurant workers | 3.27 (0.94–11.36) | 0.06 |
Merchants | 1.36 (0.40–4.64) | 0.62 |
Others | 1.27 (0.55–2.92) | 0.57 |