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. Author manuscript; available in PMC: 2021 Aug 30.
Published in final edited form as: J Am Med Dir Assoc. 2021 Aug 28;22(11):2228–2232. doi: 10.1016/j.jamda.2021.08.024

Table 2.

Demographic and Clinical Characteristics of Vaccinated Nursing Home Residents by Previous SARS-CoV-2 Status

No Previous
SARS-CoV-2
diagnosis or
positive test
Previous SARS-
CoV-2 diagnosis
or positive test
with symptoms
Previous SARS-
CoV-2 diagnosis
or positive test
without
symptoms
N (%) N (%) N (%)
Long Stay (> 100 days) 14681 (73.2) 8072 (63.8) 5107 (94.8) 1502 (74.5) <0.01
Short Stay (≤ 100 days) 5380 (26.8) 4587 (36.2) 278 (5.2) 515 (25.5)
Sex <0.01
 Male 7973 (38.1) 5156 (39.2) 2038 (36.3) 779 (36.5)
 Female 12938 (61.9) 8001 (60.8) 3579 (63.7) 1358 (63.5)
Age Group (years) 0.01
 <65 3874 (18.5) 2494 (19.0) 1027 (18.3) 353 (16.5)
 65-74 4891 (23.4) 3037 (23.1) 1379 (24.6) 475 (22.2)
 75-84 5918 (28.3) 3719 (28.2) 1602 (28.5) 597 (27.9)
 ≥85 6235 (29.8) 3913 (29.7) 1609 (28.6) 713 (33.4)
Race/Ethnicity
 Black 2551 (12.2) 1533 (11.7) 764 (13.6) 254 (11.9) <0.01
 Hispanic 980 (4.7) 566 (4.3) 298 (5.3) 116 (5.4) <0.01
Comorbidities
 COPD 5614 (27.1) 3441 (26.5) 1660 (29.7) 513 (24.3) <0.01
 Dementia 9232 (44.6) 5336 (41.1) 2870 (51.3) 1026 (48.5) <0.01
 Coronary artery disease 5385 (26.0) 3366 (25.9) 1532 (27.4) 487 (23.0) <0.01
 Diabetes 8124 (38.9) 5054 (38.5) 2313 (41.2) 757 (35.4) <0.01
 Congestive heart failure 4944 (23.9) 3105 (23.9) 1426 (25.5) 413 (19.5) <0.01
 Chronic kidney disease 5714 (27.6) 3638 (28.0) 1572 (28.1) 504 (23.8) <0.01
 Hypertension 16394 (79.3) 10175 (78.4) 4577 (81.8) 1642 (77.7) <0.01
Cognitive Function Scale <0.01
 Cognitively Intact 6009 (29.0) 4152 (31.9) 1301 (23.2) 556 (26.3)
 Mildly Impaired 4961 (23.9) 3094 (23.7) 1352 (24.2) 515 (24.4)
 Moderately Impaired 6811 (32.9) 4034 (31.0) 2035 (36.4) 742 (35.2)
 Severely Impaired 2949 (14.2) 1746 (13.4) 905 (16.2) 298 (14.1)
ADL score, mean (SD) 19.2 (5.5) 19.0 (5.5) 19.7 (5.5) 18.6 (5.8)
ADL dependency quartile <0.01
 0-17 5521 (26.4) 3567 (27.2) 1330 (23.7) 624 (29.3)
 18-20 5935 (26.8) 3769 (28.7) 1273 (22.7) 551 (25.8)
 21-22 4457 (21.4) 2692 (20.5) 1301 (23.1) 464 (21.7)
 23-28 5306 (25.4) 3099 (23.6) 1711 (30.5) 496 (23.2)

Note: Includes all residents that received at least one dose of vaccine

*

Indicates chi-squared test p-value