TABLE 1 ] .
Demographic Variables Comparing Ambulatory Patients and Surrogates for Critically Ill Individuals
| Survey Elementsa | All Respondents | Ambulatory Patients | Surrogates | P Value |
| Female sex (1,638) | 1,174 (71.7) | 839 (70.3) | 335 (75.3) | .055 |
| Age, median (IQR), y (1,638) | 52 (42-63) | 52 (41-63.5) | 51 (42-60) | .126 |
| Current health status (1,633) | < .001 | |||
| Excellent | 234 (14.3) | 159 (13.4) | 75 (16.9) | |
| Very good | 510 (31.1) | 333 (28.0) | 177 (40.4) | |
| Good | 460 (28.1) | 334 (28.1) | 126 (28.4) | |
| Fair | 276 (16.8) | 217 (18.2) | 59 (13.3) | |
| Poor | 153 (9.3) | 147 (12.4) | 6 (1.3) | |
| Serious or chronic medical illness (1,632) | 920 (56.2) | 729 (61.3) | 191 (43.2) | < .001 |
| Ever participated in research study? (1,623) | 581 (35.5) | 519 (43.9) | 62 (14.0) | < .001 |
| Hispanic or Latino (1,630) | 79 (4.8) | 57 (4.8) | 22 (5.0) | .974 |
| Race (1,603) | .265 | |||
| Black/American | 278 (17.0) | 192 (19.6) | 86 (16.2) | |
| White | 1,223 (74.7) | 903 (76.0) | 320 (72.9) | |
| Otherb | 126 (7.7) | 93 (7.8) | 33 (7.5) | |
| Education (1,634) | < .001 | |||
| Did not complete high school | 128 (7.8) | 98 (8.2) | 30 (6.8) | |
| High school graduate or equivalent | 363 (22.2) | 234 (19.7) | 129 (29.0) | |
| Some college | 464 (28.3) | 332 (27.9) | 132 (29.7) | |
| College graduate | 305 (18.8) | 223 (18.7) | 82 (18.5) | |
| Some graduate school | 86 (5.2) | 69 (5.8) | 17 (3.8) | |
| Graduate degree | 288 (17.6) | 234 (14.3) | 54 (12.2) | |
| Annual income, $ (1,492) | .043 | |||
| < 20,000 | 283 (17.3) | 218 (20.1) | 65 (16.0) | |
| 20,001-40,000 | 346 (21.1) | 260 (24.0) | 86 (21.1) | |
| 40,001-60,000 | 311 (19.0) | 216 (19.9) | 95 (23.3) | |
| 60,001-80,000 | 181 (11.0) | 119 (11.0) | 62 (15.2) | |
| 80,001-100,000 | 311 (19.0) | 272 (25.1) | 39 (24.3) | |
| Religiosity (1,623) | < .001 | |||
| Not religious | 186 (11.3) | 164 (13.8) | 22 (5.0) | |
| Somewhat religious | 745 (45.5) | 560 (47.1) | 185 (42.4) | |
| Very religious | 693 (42.3) | 464 (39.0) | 229 (52.5) | |
| Trust your doctor (1,550) | .148 | |||
| Completely | 1,155 (75.3) | 835 (75.3) | 320 (75.6) | |
| Somewhat | 347 (22.6) | 236 (21.3) | 111 (25.2) | |
| A little/not at all | 32 (2.1) | 38 (3.4) | 10 (2.3) |
Data are presented as No. (%) unless otherwise indicated. IQR = interquartile range.
Numbers in parentheses refer to participants analyzed for survey element.
Includes Asian, American Indian, and other races.