Table 1.
Sociodemographic Characteristics of Study Participants
| Students (n = 11 027), No. (%) or Median [Min, Max] | Staff (n = 3898), No. (%) or Median [Min, Max] | Faculty (n = 1426), No. (%) or Median [Min, Max] | Othera (n = 125), No. (%) or Median [Min, Max] | Overall (n = 16 476), No. (%) or Median [Min, Max] | |
|---|---|---|---|---|---|
| Age, y | 20 [16, 78] | 40 [20, 81] | 45 [21, 83] | 31 [19, 77] | 23 [16, 83] |
| Age group | |||||
| 16–17 y | 52 (0.5) | 0 (0) | 0 (0) | 0 (0) | 52 (0.3) |
| 18–49 y | 10 921 (99.0) | 2709 (69.5) | 870 (61.0) | 105 (84.0) | 14 605 (88.6) |
| 50–64 y | 38 (0.3) | 1051 (27.0) | 387 (27.1) | 12 (9.6) | 1488 (9.0) |
| 65+ | 16 (0.1) | 136 (3.5) | 168 (11.8) | 8 (6.4) | 328 (2.0) |
| Sex assigned at birthb | |||||
| Female | 6769 (61.4) | 2473 (63.4) | 765 (53.6) | 75 (60.0) | 10 082 (61.2) |
| Male | 4211 (38.2) | 1411 (36.2) | 658 (46.1) | 50 (40.0) | 6330 (38.4) |
| Racec | |||||
| American Indian or Alaska Native | 45 (0.4) | 17 (0.4) | 6 (0.4) | 0 (0) | 68 (0.4) |
| Asian | 2736 (24.8) | 486 (12.5) | 189 (13.3) | 21 (16.8) | 3432 (20.8) |
| Black or African American | 220 (2.0) | 127 (3.3) | 34 (2.4) | 2 (1.6) | 383 (2.3) |
| Multiple races | 1099 (10.0) | 229 (5.9) | 44 (3.1) | 8 (6.4) | 1380 (8.4) |
| Native Hawaiian or other Pacific Islander | 30 (0.3) | 26 (0.7) | 1 (0.1) | 0 (0) | 57 (0.3) |
| Other | 333 (3.0) | 109 (2.8) | 38 (2.7) | 3 (2.4) | 483 (2.9) |
| White | 6353 (57.6) | 2805 (72.0) | 1073 (75.2) | 83 (66.4) | 10 314 (62.6) |
| Missing | 211 (1.9) | 99 (2.5) | 41 (2.9) | 8 (6.4) | 359 (2.2) |
| Hispanic/Latinx ethnicity | 896 (8.1) | 265 (6.8) | 79 (5.5) | 12 (9.6) | 1252 (7.6) |
| UW Greek member | 2672 (24.2) | ||||
| Housingd | |||||
| Greek (chapter house and live out) | 1763 (16.0) | 0 (0) | 1 (0.1) | 1 (0.8) | 1765 (10.7) |
| Off-campus housing | 7116 (64.5) | 3863 (99.1) | 1423 (99.8) | 124 (99.2) | 12 526 (76.0) |
| On-campus housing | 2101 (19.1) | 11 (0.3) | 0 (0) | 0 (0) | 2112 (12.8) |
| Shelter, transitional housing, or other | 47 (0.4) | 24 (0.6) | 2 (0.1) | 0 (0) | 73 (0.4) |
| On-campus frequency this quartere | |||||
| Do not come to campus | 3345 (30.3) | 916 (23.5) | 252 (17.7) | 17 (13.6) | 4530 (27.5) |
| ≤1 d/wk | 3301 (29.9) | 1161 (29.8) | 583 (40.9) | 41 (32.8) | 5086 (30.9) |
| ≥2 d/wk | 4381 (39.7) | 1820 (46.7) | 591 (41.4) | 67 (53.6) | 6859 (41.6) |
| Registered for in-person classes | 1712 (15.5) | ||||
| Tested for SARS-CoV-2 before enrollment | 6556 (59.5) | 1625 (41.7) | 632 (44.3) | 67 (53.6) | 8880 (53.9) |
| Campus | |||||
| Main campus | 10 539 (95.6) | 3650 (93.6) | 1285 (90.1) | 124 (99.2) | 15 598 (94.7) |
| Satellite campus A | 191 (1.7) | 95 (2.4) | 60 (4.2) | 0 (0) | 346 (2.1) |
| Satellite campus B | 297 (2.7) | 153 (3.9) | 81 (5.7) | 1 (0.8) | 532 (3.2) |
| In the past 7 d, how often did you wear a face mask in public to protect others from getting sick?f | |||||
| Always | 10 719 (97.2) | 3800 (97.5) | 1373 (96.3) | 122 (97.6) | 16 014 (97.2) |
| Sometimes | 297 (2.7) | 95 (2.4) | 50 (3.5) | 3 (2.4) | 445 (2.7) |
| Never | 2 (0.0) | 0 (0) | 0 (0) | 0 (0) | 2 (0.0) |
| In the past 7 d, how often did you try to stay 6 ft away from people who don’t live with you?g | |||||
| Always | 7552 (68.5) | 3161 (81.1) | 1211 (84.9) | 98 (78.4) | 12 022 (73.0) |
| Sometimes | 3418 (31.0) | 728 (18.7) | 214 (15.0) | 27 (21.6) | 4387 (26.6) |
| Never | 42 (0.4) | 5 (0.1) | 1 (0.1) | 0 (0) | 48 (0.3) |
Abbreviation: SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.
aThose in the “other” affiliation category included postdoctoral fellows, externs, volunteers, and other university affiliates.
bFour participants reported “other” for sex, and 60 had missing sex.
cThree hundred fifty-nine participants had missing race, and 145 participants chose “prefer not to say” for Hispanic/Latinx ethnicity.
dA Greek “live out” is a private house or apartment that is shared by members of the same Greek chapter. On-campus housing was defined as dormitories, apartments, and family units.
eOne participant had missing “frequency on-campus.”
fFifteen participants did not answer the following question: “In the past 7 days, how often did you wear a face mask in public to protect others from getting sick?”
gNineteen participants did not answer the following question: “In the past 7 days, how often did you try to stay 6 feet away from people who don’t live with you?”