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Table 1 Socio-demographics of participants by dichotomized willingness to donate using blanket consent (baseline)a and total sample

From: The moral concerns of biobank donors: the effect of non-welfare interests on willingness to donate

 

Agree 1083 (68 %)

Disagree 510 (32 %)

Total 1593

p-valueb

Age (years), mean (SD)

48.8 (16.5)

46.5 (15.1)

48.1 (16.1)

.02

Female

569 (68.6 %)

261 (31.4 %)

830 (52.1 %)

.64

Race

   

< .001

 White

888 (70.9 %)

364 (29.1 %)

1252 (78.6 %)

 Black/African American

92 (48.9 %)

96 (51.1 %)

188 (11.8 %)

 Otherc

103 (67.5 %)

50 (32.5 %)

153 (9.6 %)

Hispanic

135 (58.8 %)

95 (41.2 %)

230 (14.5 %)

.001

Education

   

< .001

 < High School

104 (56.2 %)

81 (43.8 %)

185 (11.6 %)

 High school

304 (64.5 %)

167 (35.5 %)

472 (29.7 %)

 Some college

305 (68.0 %)

144 (32.0 %)

448 (28.3 %)

 ≥ Bachelor’s Degree

370 (75.8 %)

118 (24.2 %)

487 (30.5 %)

Household incomed

   

< .001

 < $50,000

408 (62.1 %)

249 (37.9 %)

656 (41.2 %)

 $50,000–$99,999

349 (69.4 %)

154 (30.6 %)

503 (31.6 %)

 > $100,000

326 (75.3 %)

107 (24.7 %)

433 (27.2 %)

Attend religious service

   

.03

 ≥ Once a month

420 (65.7 %)

219 (34.3 %)

639 (40.4 %)

 < Once a month

374 (73.1 %)

138 (26.9 %)

511 (32.3 %)

 Never

286 (66.2 %)

146 (33.8 %)

432 (27.3 %)

Religion

   

< .001

 Catholic

246 (71.8 %)

97 (28.2 %)

343 (21.7 %)

 Non-Catholic Christian

485 (67.8 %)

230 (32.2 %)

715 (44.9 %)

 Non-Christian Religions

61 (75.5 %)

20 (24.6 %)

81 (5.1 %)

 Unaffiliated

255 (71.4 %)

102 (28.6 %)

357 (22.6 %)

 Do not know/Refused

33 (36.2 %)

57 (63.8 %)

90 (5.7 %)

Evangelical

260 (66.0 %)

134 (34.0 %)

395 (41.7 %)

.04

Political view

   

.004

 Liberal

327 (74.9 %)

109 (25.1 %)

437 (27.6 %)

 Moderate

394 (65.8 %)

205 (34.2 %)

599 (37.9 %)

 Conservative

354 (64.8 %)

193 (35.2 %)

546 (34.5 %)

Region

   

.02

 Northeast

185 (64.2 %)

103 (35.8 %)

288 (18.1 %)

 South

391 (66.1 %)

201 (33.9 %)

592 (37.2 %)

 West

250 (67.3 %)

121 (32.7 %)

372 (23.4 %)

 Midwest

256 (75.3 %)

84 (24.7 %)

340 (21.4 %)

Employment status

   

.001

 Working

643 (70.6 %)

268 (29.4 %)

911 (57.2 %)

 Looking for work/laid off

83 (53.9 %)

71 (46.1 %)

154 (9.7 %)

 Retired

196 (71.8 %)

77 (28.2 %)

273 (17.2 %)

 Not working, disabled

66 (58.1 %)

48 (41.9 %)

114 (7.2 %)

 Not working, other

95 (67.3 %)

46 (32.7 %)

141 (8.9 %)

Ownership of housing

   

.008

 Owned

779 (70.2 %)

331 (29.8 %)

1109 (69.7 %)

 Rented

276 (64.7 %)

151 (35.4 %)

428 (26.9 %)

 Occupied w/o cash rent

28 (49.7 %)

28 (50.3 %)

56 (3.5 %)

Household has internet

881 (70.6 %)

368 (29.4 %)

1248 (78.4 %)

< .001

Privacye, mean (SD)

2.6 (1.2)

3.6 (1.2)

2.9 (1.3)

< .001

RAQf, mean (SD)

46.0 (6.9)

38.1 (7.8)

43.5 (8.1)

< .001

Abortion viewg, mean (SD)

2.6 (1.0)

2.4 (1.0)

2.4 (1.0)

.001

  1. N = 1,593; Cell values are weighted counts (%) or weighted means (SD); Other variables collected, but are not included in the table are not associated with participant position on blanket consent: marital status (p = 0.21), head of household (p = 0.47), household size (p = 0.37), metropolitan area (p = 0.93), housing type (p = 0.48), whether household members include at least one child (p = 0.12)
  2. a“I would donate tissue samples and medical information to the biobank, so that the biobank can use them for any research study that it allows, without further consent from me. Please indicate your level of agreement with the statement:”
  3. bFrom survey weight adjusted Х-square test for comparisons between those who agreed vs. not to blanket consent for all participant characteristics and survey weight adjusted t-test for age and RAQ
  4. cAmerican Indian, Alaskan Native, Asian, Native Hawaiian/Pacific Islander, 2+ races
  5. dCollapsed from 19 levels
  6. eRange is 1 to 5 (higher is more worried)
  7. fRAQ is the 11 item Research Attitudes Questionnaire, assessing attitudes toward medical research. Range is 11–66 (higher score means more positive attitudes)
  8. gRange is 1 (always legal) to 4 (always illegal)