Table 1.
Sociodemographic and clinical characteristics of the study population.
| Characteristics | Total (n = 780961) | COVID-19 cases (n = 1516) | Control (n = 779445) |
|---|---|---|---|
| Age | |||
| Below 40 years | 463,426 (59.34) | 1097 (72.36) | 462,601 (59.35) |
| 40–59.9 years | 251,349 (32.18) | 482 (31.79) | 250,867 (32.12) |
| 60–79.9 years | 62,886 (8.05) | 143 (9.43) | 62,743 (8.03) |
| Above 80 years | 3296 (0.42) | 76 (5.01) | 3220 (0.41) |
| Region | |||
| Asia | 6328 (0.81) | 35 (2.3) | 6293 (0.8) |
| Africa | 1384 (0.17) | 4 (0.26) | 1380 (0.18) |
| Europe | 41,484 (5.31) | 205 (13.52) | 41,279 (5.3) |
| North America | 682,258 (87.36) | 1117 (73.68) | 681,141 (87.39) |
| South America | 40,623 (5.2) | 144 (9.5) | 40,479 (5.19) |
| Oceania | 8853 (1.13) | 10 (0.66) | 8843 (1.13) |
| Gender | |||
| Male | 526,317 (67.39) | 817 (53.89) | 525,500 (67.42) |
| Female | 251,730 (32.23) | 691 (45.58) | 251,039 (32.2) |
| BMI | 29.72 ± 7.92 | 30.29 ± 9.3 | 29.72 ± 7.92 |
| Comorbidity | |||
| Asthma | 123,207 (15.78) | 245 (16.16) | 122,962 (15.77) |
| Diabetes mellitus | 46,999 (6.01) | 171 (11.27) | 46,828 (6.0) |
| Kidney Disease | 2625 (0.34) | 46 (3.03) | 2529 (0.32) |
| Liver Disease | 667 (0.09) | 22 (1.45) | 645 (0.08) |
| Heart Disease | 13,131 (1.68) | 92 (6.06) | 13,039 (1.67) |
| Lung Disease | 10,424 (1.33) | 44 (2.90) | 10,380 (1.33) |
| Hypertension | 103,883 (13.3) | 273 (18.0) | 103,610 (13.29) |
| Obesity | 275,129 (35.23) | 514 (33.9) | 274,615 (35.23) |
Note: The percentages may not add up to 100% due to missing data.