Table 1.
Characteristics of healthcare workers (young adults) and long-term care facility residents (older adults) enrolled.
| Characteristics | Young (n = 130) | Older (n = 106) |
|---|---|---|
| Age (years), median [IQR] | 44 [39.5; 50.5] | 86.5 [81.0; 90.0] |
| Female [n (%)] | 96 (73.9) | 74 (69.8) |
| Comorbidities [n (%)] | ||
| Hypertension | 1 (0.8) | 70 (66.0) |
| Coronary heart disease | 0 | 73 (68.9) |
| Diabetes | 1 (0.8) | 22 (20.7) |
| COPD | 0 | 25 (23.6) |
| Chronic renal failure | 0 | 29 (27.3) |
| Dementia | na | 95 (89.6) |
| Prior COVID-19 | 8 (6.1) | 51 (48.1) |
| Asymptomatic [n (%)] | 8 (6.1) | 8 (15.7) |
| Mild disease [no oxygen requirement; n (%)] | 0 | 30 (58.8) |
| Moderate disease [oxygen requirement; n (%)] | 0 | 10 (17.2) |
| Severe/critical disease [high-flow ventilation, OTI; n (%)] | 0 | 3 (5.9) |
| Time from infection diagnosis to first BNT162b2 injection [months; median (IQR)] | 0 | 4.2 [3.3–8.3] |
| Nutritional status [median (IQR)] | ||
| Albuminemia a (g/l) | na | 34 [31.0; 37.5] |
| Vitamin D (IU/l) a | na | 30 [27.0; 36.0] |
| Body weight (kg) | na | 60 [51.0; 72.0] |
| Body mass index (kg/m2) | na | 23 [20.0; 27.0] |
| Geriatric Nutritional Risk Index a | na | 96.1 [86.4; 104.4] |
| Frailty [median (IQR)] | ||
| Clinical Frailty Scale | na | 7 [7; 8] |
| Fried frailty phenotype criteria | na | 4 [3; 4] |
COPD, chronic obstructive pulmonary disease; na, not available; OTI, orotracheal intubation.
Continuous data are given as median [IQR]; categorical data are given as numbers (%).
a
Data were missing for 17 older adults.