Table 4.

Among the subsets of clinics allowing partial consent for specific uses: factors selected by stepwise logistic regression as being associated with consent, after adjustment for differences among clinics

Permission for use by other investigators
Factor (Overall Agreement Rate, %)	Odds Ratio [95% CI]	p-value
Race/ethnicity
African-American (76.5%)	0.41 [0.31, 0.53]
American Indian (85.0%)	0.50 [0.14, 1.88]
Asian/Pacific Islander (86.7%)	0.91 [0.29, 2.87]	<0.001
Hispanic (82.8%)	0.51 [0.34, 0.75]
Other/Multiple (85.7%)	0.72 [0.34, 1.53]
White (90.1%)	1.00
Education, yrs
<13 (86.9%)	1.54 [1.20, 1.97]	0.003
13−16 (89.3%)	1.27 [0.94, 1.74]
17+ (84.6%)	1.00

Permission for use by future studies
Factor (Overall Agreement Rate, %)	Odds Ratio [95% CI]	p-value
Race/ethnicity
African-American (76.5%)	0.44 [0.33, 0.58]
American Indian (85.0%)	0.54 [0.14, 2.04]
Asian/Pacific Islander (86.7%)	0.98 [0.31, 3.08]	<0.001
Hispanic (82.5%)	0.52 [0.35, 0.77]
Other/Multiple (85.7%)	0.74 [0.35, 1.56]
White (90.1%)	1.00
Education, yrs
<13 (86.9%)	1.60 [1.25, 2.05]	<0.001
13−16 (89.6%)	1.35 [0.99, 1.84]
17+ (84.6%)	1.00
Sex
Female (85.0%)	0.75 [0.59, 0.94]	0.01
Male (89.6%)	1.00

Permission for development of cell lines
Factor (Overall Agreement Rate, %)	Odds Ratio [95% CI]	p-value
Race/ethnicity*
African-American (73.6%)	0.42 [0.32, 0.56]
American Indian (82.3%)	0.52 [0.15, 1.84]
Hispanic (85.0%)	0.66 [0.43, 1.01]	<0.001
Other/Multiple (82.1%)	1.77 [1.01, 3.08]
White (86.9%)	1.00
Age, yrs
45−54 (81.7%)	0.61, [0.45, 0.84]
55−64 (84.3%)	0.78 [0.59, 1.03]	0.03
65−75 (88.5%)	1.00

Permission to allow samples to be used for the financial gain of investigators
Factor (Overall Agreement Rate, %)	Odds Ratio [95% CI]	p-value
Sex
Female (46.3%)	0.36 [0.24, 0.53]	<0.001
Male (70.0%)	1.00

^*All those in the Asian subgroup consented