Table 1.
Baseline Characteristics. Categorical variables are presented as counts (column percentage). Age as of December 2020 is presented as mean ± standard deviation (SD). Household size shows the median (25th – 75th percentile) number of household inhabitants.
| Overall (n = 24,506) | HIC (n = 7712) | UMIC (n = 9038) | LMIC (n = 7756) | |
|---|---|---|---|---|
| Mean age (years) | 63.2 ± 9.6 | 64.3 ± 10.1 | 63.2 ± 9.3 | 62.0 ± 9.2 |
| Female | 14,688 (59.9) | 4490 (58.2) | 5593 (61.9) | 4605 (59.4) |
| Education Level | ||||
| Pre-secondary school | 10,669 (43.7) | 1256 (16.3) | 4690 (51.9) | 4723 (61.4) |
| Secondary school | 7392 (30.3) | 2527 (32.8) | 2584 (28.6) | 2281 (29.6) |
| Post-secondary school | 6371 (26.1) | 3921 (50.9) | 1757 (19.5) | 693 (9.0) |
| Occupation | ||||
| Professionals/managers | 4781 (23.9) | 3084 (40.1) | 1409 (15.7) | 288 (8.7) |
| Skilled workers | 5908 (29.6) | 2361 (30.7) | 2654 (29.5) | 893 (27.0) |
| Unskilled workers | 3528 (17.7) | 1165 (15.2) | 1377 (15.3) | 986 (29.8) |
| Homemakers | 5764 (28.9) | 1077 (14.0) | 3550 (39.5) | 1137 (34.4) |
| Household Size | 5 (4–7) | 4 (5–7) | 6 (4–8) | 5 (4–6) |
| Diagnosed with COVID-19 |
1069 (4.4) | 444 (5.8) | 560 (6.2) | 65 (0.8) |
| Baseline Disease Burden | 0.08±.29 | 0.15±.40 | 0.08±.30 | 0.04±.21 |