Table 3.
Risk ratios for diagnostics and course of COVID-19 and acute respiratory infection (n = 1544).
| Model 1 | Model 2 | Model 3 | ||||
|---|---|---|---|---|---|---|
| RR (95% CI) | p | RR (95% CI) | p | RR (95% CI) | p | |
| COVID-19 diagnostics | ||||||
| PCR/Positive | 1.091 (0.688, 1.730) | 0.36 | 1.163 (0.696, 1.942) | 0.28 | 1.093 (0.802, 1.488) | 0.29 |
| PCR + Antigen/Positive | 0.992 (0.685, 1.439) | 0.48 | 1.074 (0.710, 1.625) | 0.37 | 1.025 (0.794, 1.323) | 0.43 |
| Course of COVID-19 | ||||||
| asymptomatic | 1.677 (0.628, 4.477) | 0.15 | 2.321 (0.836, 6.442) | 0.05 | 1.421 (0.779, 2.590) | 0.13 |
| mild | 1.207 (0.627, 2.320) | 0.29 | 0.987 (0.457, 2.134) | 0.49 | 1.194 (0.766, 1.859) | 0.22 |
| moderate | 0.696 (0.399, 1.213) | 0.1 | 0.829 (0.446, 1.540) | 0.28 | 0.760 (0.504, 1.146) | 0.1 |
| severe | - | 1.364 (0.229, 8.110) | 0.37 | 1.351 (0.226, 8.068) | 0.37 | |
| Incidence of acute respiratory infection/yr | ||||||
| <once | 1.108 (0.936, 1.311) | 0.12 | 1.923 (1.1641, 2.253) | 0.00 | 1.070 (0.916, 1.249) | 0.20 |
| once | 1.154 (0.971, 1.370) | 0.05 | 0.578 (0.457, 0.731) | 0.00 | 1.232 (0.823, 1.844) | 0.16 |
| twice | 0.869 (0.680, 1.112) | 0.13 | 0.394 (0.270, 0.574) | 0.00 | 0.485 (0.256, 0.920) | 0.01 |
| >twice | 0.718 (0.496, 1.038) | 0.04 | 0.258 (0.138, 0.483) | 0.00 | 0.485 (0.160, 1.476) | 0.10 |
Model 1 physically active group; Model 2 cold-water swimmers; Model 3 males only.