Associations between symptoms, age, comorbidities and hospitalisation
| % (n) | Descriptives | Hospitalisation | Bivariate associations* | ||
| % (n) | Yes, % (n) | No, % (n) | Odds ratio (95% CI) | P value | |
| Female | 57.8 (843) | 48.8 (39) | 58.3 (804) | Ref. | – |
| Male | 42.2 (616) | 51.2 (41) | 41.7 (575) | 1.47 (0.94 to 2.31) | 0.094 |
| Symptoms | |||||
| Cough | 71.4 (1042) | 72.5 (58) | 71.4 (984) | 1.06 (0.64 to 1.75) | 0.826 |
| Muscle pain | 57.7 (842) | 63.8 (51) | 57.4 (791) | 1.31 (0.82 to 2.09) | 0.262 |
| Fever | 47.6 (695) | 73.8 (59) | 46.1 (636) | 3.28 (1.97 to 5.46) | <0.001 |
| Runny nose | 46.6 (680) | 33.8 (27) | 47.4 (653) | 0.57 (0.35 to 0.91) | 0.019 |
| Headache | 45.0 (657) | 42.5 (34) | 45.2 (623) | 0.90 (0.57 to 1.42) | 0.640 |
| Chills | 39.6 (578) | 50.0 (40) | 39.0 (538) | 1.56 (0.99; 2.46) | 0.052 |
| Sore throat | 31.3 (456) | 23.8 (19) | 31.7 (437) | 0.67 (0.40 to 1.14) | 0.139 |
| Loss of smell or taste (eg, anosmia) | 25.5 (372) | 16.3 (13) | 26.0 (359) | 0.55 (0.30 to 1.01) | 0.054 |
| Fatigue | 24.3 (354) | 17.5 (14) | 24.7 (340) | 0.65 (0.36 to 1.17) | 0.150 |
| Abdominal complaints | 16.0 (234) | 16.3 (13) | 16.0 (221) | 1.02 (0.55 to 1.87) | 0.958 |
| Difficulty breathing (dyspnoea) | 12.5 (183) | 21.3 (17) | 12.0 (166) | 1.97 (1.13 to 3.45) | 0.017 |
| Thoracic discomfort | 9.9 (144) | 10.0 (8) | 9.9 (136) | 1.02 (0.48 to 2.15) | 0.968 |
| No symptom | 1.4 (21) | 1.3 (1) | 1.5 (20) | 0.86 (0.11 to 6.49) | 0.884 |
| Total no. of symptoms (mean, SD) | 4.36 (2.04) | 4.54 (2.09) | 4.37 (2.04) | 1.04 (0.93 to 1.16) | 0.476 |
| Early visit after symptom onset (≤3 days) | 56.0 (771) | 48.6 (34) | 56.4 (737) | ||
| Age and comorbidities (years) | |||||
| <35 | 35.2 (513) | 10.0 (8) | 36.6 (505) | Ref. | – |
| 35–44 | 22.5 (328) | 20.0 (16) | 22.6 (312) | 3.24 (1.37 to 7.65) | 0.007 |
| 45–54 | 23.5 (343) | 30.0 (24) | 23.1 (319) | 4.75 (2.11 to 10.70) | <0.001 |
| 55–64 | 14.6 (213) | 25.0 (20) | 14.0 (193) | 6.54 (2.83 to 15.10) | 0.001 |
| ≥65 | 4.2 (62) | 15.0 (12) | 3.6 (50) | 15.15 (5.91 to 38.81) | <0.001 |
| Chronic respiratory disease | 9.7 (141) | 18.8 (15) | 9.1 (126) | 2.29 (1.27 to 4.14) | 0.006 |
| Hypertension | 8.2 (120) | 25.0 (20) | 7.3 (100) | 4.26 (2.47 to 7.36) | <0.001 |
| Diabetes | 3.8 (56) | 11.3 (9) | 3.4 (47) | 3.59 (1.69 to 7.62) | 0.001 |
| Immunosuppression/cancer | 3.6 (52) | 6.3 (5) | 3.4 (47) | 1.89 (0.73 to 4.89) | 0.190 |
| Cardiovascular disease | 2.6 (38) | 8.8 (7) | 2.3 (31) | 4.17 (1.78 to 9.79) | 0.001 |
*Simple logistic regressions: outcome: hospitalisation.