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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: Vox Sang. 2012 Aug 15;104(2):100–109. doi: 10.1111/j.1423-0410.2012.01643.x

Table 2.

Descriptive analysis according to category of test seeker.

Variables Non Possible Presumed Self-disclosed p-value
Test Seeker Test Seeker Test Seeker Test Seeker
N (%) N (%) N (%) N (%)
Total 4755 (62.3) 1722 (22.5) 541 (7.1) 617 (8.1)

Cognitive Social Capital
Low 443 (76.8) 96 (16.6) 18 (3.1) 20 (3.5) p<0.001
Below average 946 (68.7) 282 (20.5) 62 (4.5) 87 (6.3)
Average 1797 (63.6) 672 (23.8) 162 (5.7) 193 (6.8)
Above average 1262 (56.4) 563 (25.2) 196 (8.8) 216 (9.7)
High 307 (49.5) 109 (17.6) 103 (16.6) 101 (16.3)

Structural Social Capital
Low 1253 (69.2) 329 (18.2) 105 (5.8) 124 (6.9) p<0.001
Below average 398(50.5) 242 (30.7) 54 (6.9) 94 (11.9)
Average 2191 (61.3) 782 (21.9) 300 (8.4) 299 (8.4)
Above average 425 (58.9) 207 (28.7) 36 (5.0) 53 (7.3)
High 488 (65.7) 162 (21.8) 46 (6.2) 47 (6.3)

Gender
Female 1904 (70.2) 534 (19.7) 140 (5.2) 133 (4.9) p<0.001
Male 2851 (57.9) 1188 (24.1) 401(8.1) 484 (9.8)

Age
18–25 1334 (64.0) 485 (23.3) 126 (6.1) 138 (6.6) p<0.001
26–30 970 (63.7) 343 (22.5) 86 (5.7) 124 (8.1)
31–39 1219 (61.7) 451 (22.8) 137 (6.9) 169 (8.5)
40+ 1232 (60.0) 443 (21.6) 192 (9.3) 186 (9.1)

Race
White 1905 (68.3) 568 (20.4) 155 (5.6) 162 (5.8) p<0.001
Black 624 (61.8) 227 (22.5) 78 (7.7) 80 (7.9)
Mixture and others 2136 (57.7) 901 (24.3) 296 (8.0) 368 (9.9)
Missing 90 (66.7) 26 (19.3) 12 (8.9) 7 (5.2)

Education
<8 years 383 (52.0) 173 (23.5) 82 (11.1) 99 (13.4) p<0.001
8–10 years 666 (53.0) 323 (25.7) 123 (9.8) 146 (11.6)
11 years 2707 (62.4) 1033 (23.8) 283 (6.5) 313 (7.2)
College or more 845 (77.7) 162 (14.9) 38 (3.5) 42 (3.9)
Missing 154 (71.0) 31 (14.3) 15 (6.9) 17 (7.8)

Monthly Income
Less than R$500 (US$250) 275 (43.6) 172 (27.3) 74 (11.7) 109 (17.3) p<0.001
Between R$ 501 and R$ 1,000 (US$ 251–500) 1202 (53.1) 629 (27.8) 194 (8.6) 240 (10.6)
Between R$ 1,001 and R$ 3,000 (US$ 501–1500) 1673 (65.8) 554 (21.8) 181 (7.1) 136 (5.3)
More than R$ 3,001 (US$ 1501) 921 (77.01) 193 (16.1) 42 (3.5) 40 (3.3)
Missing 684 (68.4) 174 (17.4) 50 (5.0) 92 (9.2)

Blood Centre Location
São Paulo 1949 (72.9) 464 (17.4) 137 (5.1) 123(4.6) p<0.001
Belo Horizonte 1789 (70.2) 531 (20.8) 112 (4.4) 115 (4.5)
Recife 1017 (42.1) 727 (30.1) 292 (12.1) 379 (15.7)

Donation Type
Community 2541 (69) 699 (19) 217 (5.9) 224 (6.1) p<0.001
Replacement 1303 (51.9) 711 (28.3) 225 (9.0) 271(10.8)
Deferred 911 (63.1) 312 (21.6) 99 (6.9) 122 (8.5)

Donor Status
Repeat 3016 (62.3) 1064 (21.9) 354 (7.3) 410 (8.5) p=0.15
First-time 1739 (62.3) 658 (23.6) 187 (6.7) 207 (7.4)

HIV EIA Screening Result
Negative 3835(62.0) 1410 (22.8) 442 (7.2) 495 (8.0)
Positive 9 (100) 0 0 0 p=0.13
Not tested (Deferred) 911 (63.1) 312 (21.6) 99 (6.9) 122 (8.5)