Table 4.
Final logistic regression model considering all individuals enrolled at baseline
| Variables | Binary analysis | Multivariate analysis | |||
|---|---|---|---|---|---|
| No symptoms N = 7720 |
Clinically Confirmed COVID-19 N = 293 |
p | OR (95% CI) | P*** | |
| n (%) | n (%) | ||||
| Age (y), mean (SD); med. (min–max.) | 43.9 (15.2); 42 (18–98) | 41.6 (13.0); 41 (18–90) | 0.028* | 0.989 (0.981; 0.997) | 0.008 |
| Group | |||||
| Household cohabitants | 3691 (47.8) | 124 (42.3) | 0.065** | 1 | - |
| RD patients | 4029 (52.2) | 169 (57.7) | 1.10 (0.83; 1.46) | 0.526 | |
| Sex | |||||
| Women | 5259 (68.2) | 218 (75.4) | 0.01** | 1 | - |
| Men | 2450 (31.8) | 71 (24.6) | 0.71 (0.52; 0.98) | 0.043 | |
| Schooling | |||||
| Basic or illiterate | 2110 (27.4) | 64 (21.8) | 0.091** | ||
| High school | 3280 (42.6) | 139 (47.4) | |||
| College | 2317 (30.1) | 90 (30.7) | |||
| Family in social distancing | 4728 (61.3) | 172 (58.9) | 0.402** | ||
| Heart disease | 398 (5.3) | 17 (6) | 0.570** | ||
| Diabetes | 585 (7.7) | 17 (6) | 0.292** | ||
| Lung disease | 367 (4.8) | 21 (7.4) | 0.048** | 1.63 (1.03; 2.58) | 0.038 |
| Kidney disease | 465 (6.1) | 23 (8.2) | 0.169** | ||
| Hypertension | 2165 (28.6) | 78 (27.7) | 0.730** | ||
| Influenza vaccine within 30 last days | 2138 (27.8) | 63 (21.6) | 0.022** | ||
Bold values indicate statistical significance (p < 0.05)
Outcome is clinically confirmed COVID-19 diagnosis
Y, years; SD, standard deviation; med., median; min., minimum; max., maximum
*Mann–Whitney test; **Chi-square test; ***Wald test by final logistic regression model