Table 3 Bivariate associations between patient characteristics and willingness to participate
Characteristic | Willing to participatea, number (percentage) | OR (95% CI) | P value |
|---|---|---|---|
Sex | |||
Male | 651 (76) | 1.00 | 0.17 |
Female | 601 (81) | 1.61 (0.81, 3.22) | |
Age (years) | |||
<40 | 128 (67) | 1.00 | 0.007 |
40–49 | 142 (71) | 1.60 (0.47, 5.42) | |
50–59 | 273 (78) | 2.45 (0.83, 7.23) | |
60–69 | 423 (83) | 5.06 (1.72, 14.86) | |
Over 70 | 286 (83) | 6.48 (1.89, 22.24) | |
Race | |||
Not black | 475 (77) | 1.00 | 0.96 |
Black | 777 (79) | 1.02 (0.50, 2.10) | |
Education | |||
≤ High school | 600 (78) | 1.00 | 0.71 |
Some college | 363 (81) | 1.31 (0.58, 2.96) | |
College or Graduate degree | 289 (75) | 0.89 (0.37, 2.12) | |
Income | |||
<US$20,000 | 387 (82) | 1.00 | 0.68 |
US$20,000–US$39,999 | 333 (79) | 0.65 (0.27, 1.58) | |
US$40,000)–US$59,999 | 218 (76) | 0.60 (0.21, 1.72) | |
Over US$60,000 | 294 (77) | 0.61 (0.24, 1.57) | |
Years on dialysis | |||
Less than 1 year | 222 (79) | 1.00 | 0.80 |
1–3 years | 370 (78) | 0.94 (0.33, 2.68) | |
3–5 years | 310 (81) | 1.00 (0.36, 2.79) | |
More than 5 years | 350 (75) | 0.66 (0.23, 1.89) | |
Hospitalizations in past year | |||
None | 397 (80) | 1.00 | 0.80 |
1 | 222 (79) | 1.03 (0.35, 2.97) | |
2 | 243 (76) | 0.69 (0.26, 1.83) | |
3 | 390 (77) | 0.73 (0.31, 1.72) | |
Hypertension | |||
No | 188 (92) | 1.00 | 0.01 |
Yes | 1050 (77) | 0.17 (0.05, 0.68) | |
Heart disease | |||
No | 636 (77) | 1.00 | 0.66 |
Yes | 532 (79) | 1.17 (0.58, 2.39) | |
Diabetes | |||
No | 649 (79) | 1.00 | 0.68 |
Yes | 519 (77) | 0.86 (0.42, 1.75) | |
COPD | |||
No | 1034 (79) | 1.00 | 0.41 |
Yes | 134 (73) | 0.61 (0.19, 1.94) | |
Malignancy | |||
No | 1064 (79) | 1.00 | 0.54 |
Yes | 104 (72) | 0.66 (0.18, 2.46) | |
Research Attitude Questionnaireb (per 1-point change in score) | n/a | 1.09 (1.02, 1.17) | 0.01 |
Revised Healthcare System Distrust Scalec (per 1-point change in score) | n/a | 0.87 (0.83, 0.92) | <0.001 |