Univariable and multivariable analysis of variables associated with having CLS or not (OR with 95% CI)
| Data from n | Univariable | Multivariable* | |
| Sex, female | 2546 | 1.89 (1.58 to 2.25) | 1.45 (1.15 to 1.82) |
| Age | 2546 | 0.97 (0.96 to 0.97) | 0.96 (0.96 to 0.97) |
| BMI | 2391 | 0.99 (0.97 to 1.01) | 1.00 (0.98 to 1.03) |
| Smoking (current) | 2463 | 1.35 (1.02 to 1.78) | 1.05 (0.74 to 1.50) |
| Daily alcohol use | 2416 | 0.84 (0.71 to 1.00) | 1.20 (0.96 to 1.50) |
| Solid organ transplantation | 2546 | 0.74 (0.54 to 1.03) | 0.79 (0.47 to 1.35) |
| IMIDT without imed† | 2546 | 1.00 (0.82 to 1.23) | 0.94 (0.72 to 1.24) |
| IMIDT with imed † | 2546 | 0.79 (0.65 to 0.97) | 0.68 (0.51 to 0.91) |
| Use of oral corticosteroids | 2546 | 0.84 (0.66 to 1.06) | 1.44 (0.95 to 2.20) |
| Self-reported diabetes mellitus | 2381 | 0.69 (0.50 to 0.96) | 0.89 (0.58 to 1.36) |
| Self-reported lung disease | 2396 | 1.30 (1.09 to 1.54) | 1.50 (1.20 to 1.88) |
| Self-reported heart disease | 2399 | 0.85 (0.69 to 1.04) | 1.09 (0.83 to 1.43) |
| Influenza vaccination‡ | 2415 | 0.71 (0.60 to 0.84) | 0.96 (0.76 to 1.21) |
| Physical contact with family§ | 2220 | 1.47 (1.22 to 1.78) | 1.22 (0.98 to 1.53) |
| Visiting other people (not family) | 2205 | 1.26 (1.05 to 1.51) | 0.96 (0.77 to 1.20) |
| Wearing a face mask | 2196 | 1.46 (1.20 to 1.76) | 1.42 (1.13 to 1.77) |
| Close contact (at work) | 2180 | 1.65 (1.34 to 2.03) | 1.27 (0.97 to 1.66) |
| Good adherence to lockdown rules | 2245 | 1.17 (0.41 to 3.29) | 2.46 (0.65 to 9.38) |
| Working outside the house | 2435 | 1.39 (1.16 to 1.68) | 0.92 (0.71 to 1.20) |
*Number of observations: 1835.
†Control group=reference group.
‡In autumn 2019.
§Physical contact specified as ‘holding/shaking hands, hugging etcetera’.
BMI, body mass index; CLS, Covid-19-like symptoms; IMIDT, with immune mediated inflammatory disorders or transplant organ.