Participant demographics
| Overall n=1155 | Current ICU admission n=105 | Prior ICU admission n=1050 | |
| Age (years)* | 47.3 (14.1) | 51 (15.9) | 47 (13.9) |
| Female | 790 (68.4) | 75 (71.4) | 715 (68.0) |
| Ethnicity | |||
| White/Caucasian | 979 (84.8) | 81 (77.1) | 898 (85.5) |
| Black/African–American | 84 (7.3) | 8 (7.6) | 76 (7.2) |
| Latino/Hispanic | 38 (3.3) | 6 (5.7) | 32 (3.0) |
| Asian | 38 (3.3) | 7 (6.7) | 31 (3.0) |
| Other | 12 (1.0) | 1 (1.0) | 11 (1.0) |
| Highest level of education | |||
| High school graduate (or equivalent) or less | 295 (25.5) | 16 (15.2) | 279 (26.6) |
| Some college (1–4 years, no degree) or associate’s degree | 448 (38.8) | 35 (33.3) | 413 (39.3) |
| Bachelor’s degree or higher | 409 (35.4) | 52 (49.5) | 357 (34.0) |
| Works in healthcare | 88 (7.6) | 19 (18.1) | 69 (6.6) |
| Close family member or friend works in healthcare | 412 (35.7) | 72 (68.6) | 340 (32.4) |
| EuroQol-5 dimensions (EQ-5D) utility index* | 0.8 (0.2) | 0.9 (0.2) | 0.8 (0.2) |
| EuroQol-5 dimensions (EQ-5D) Visual Analogue Scale* | 74.1 (19.9) | 84 (18.4) | 73 (19.8) |
| Region | |||
| North-east | 315 (27.3) | 105 (100) | 210 (20.0) |
| Midwest | – | – | 289 (27.5) |
| South | – | – | 355 (33.8) |
| West | – | – | 189 (18.0) |
| Unknown | – | – | 7 (0.7) |
*Presented as mean (SD); the remaining variables are presented as n (%), using the denominator indicated in the column header.
ICU, intensive care unit.