Table 1.
Characteristics and Exposures Among Patient Cases and Non-Cases
| Variable | Total (n=71), No. (%) a | Cases (n=21), No. (%) a | Non-cases (n=50), No. (%) a | Odds Ratio (CI) Univariate Analysis | Odds Ratio (CI) Multivariate Analysis |
|---|---|---|---|---|---|
| Age, median y (range) | 74 (26–103) | 76 (31–92) | 73 (26–103) | 1.01 (0.98–1.03) P = .682 |
|
| Sex | |||||
| Male | 29 (41) | 10 (48) | 19 (38) | 0.67 (0.24–1.89) P =.453 |
|
| Female | 42 (59) | 11 (52) | 31 (62) | ||
| Roommate of patient with COVID-19 | 46 (65) | 19 (90) | 27 (54) | 8.09 (1.70–38.49) P =.009 |
2.09 (0.32–13.81) P = .446 |
| Roommate of patient with COVID-19 during their infectious period | 16 (23) | 12 (57) | 4 (8) | 15.33 (4.02–58.45) P < .001 |
9.21 (2.04–41.67) P = .004 |
| Wandering patient | 9 (13) | 6 (29) | 3 (6) | 6.27 (1.39–28.17) P = .017 |
4.24 (0.67–26.98) P = .127 |
| Roommate of wandering patient | 31 (44) | 14 (67) | 17 (34) | 3.88 (1.32–11.43) P = .014 |
1.02 (0.23–4.52) P = .982 |
| Dementia | 14 (20) | 7 (33) | 7 (14) | 3.07 (0.92–10.29) P = .069 |
|
| Delirium | 12 (17) | 4 (19) | 8 (16) | 1.24 (0.33–4.65) P = .755 |
|
| Roommate of dementia patient | 33 (46) | 15 (71) | 18 (36) | 4.44 (1.47–13.47) P = .008 |
2.39 (0.60–9.55) P = .217 |
| Vaccination status | |||||
| Fully | 4 (6) | 2 (10) | 2 (4) | 3.70 (0.46–29.64) P = .218 |
|
| Partially | 18 (25) | 8 (38) | 10 (20) | 2.96 (0.93–9.47) P = .067 |
|
| Not vaccinated (ref) | 47 (66) | 10 (48) | 37 (74) | ||
| Unknown | 2 (3) | 1 (5) | 1 (2) | 3.70 (0.21–64.51) P = .370 |
|
| Outcome | |||||
| Deceased | 11 (15) | 6 (29) | 5 (10) | 3.60 (0.96–13.52) P = .058 |
|
| Alive | 60 (85) | 15 (71) | 45 (90) | ||
Note. CI, confidence interval; ref, reference.
a
Units unless otherwise specified.