Table 4.
Influence of sociodemographic variables, lifestyle, vaccination status, pandemic wave and chronic diseases on the persistence of symptoms up to 4 weeks after the onset of COVID-19 and the number of symptoms.
| Variable |
At least one symptom 4 weeks after COVID-19# |
The number of symptoms 4 weeks after COVID-19* |
||||||
|---|---|---|---|---|---|---|---|---|
| OR | -95% CI | + 95% CI | p | Value | SD | t | p | |
| Full model | ||||||||
| COVID-19 severity | 1.993 | 1.323 | 3.003 | < 0.001 | 1.490 | 0.641 | 2.236 | 0.022 |
| Age | 0.967 | 0.929 | 1.001 | 0.643 | -0.129 | 0.065 | -1.999 | 0.049 |
| Any sleep disorders | 1.072 | 0.702 | 1.636 | 0.746 | 0.745 | 0.641 | 1.116 | 0.249 |
| Smoking | 1.809 | 0.803 | 4.075 | 0.153 | -0.363 | 1.032 | -0.352 | 0.726 |
|
Stress in the last 4 weeks before COVID-19 |
0.879 | 0.504 | 1.533 | 0.651 | 0.334 | 0.752 | 0.444 | 0.658 |
|
No regular activity 3 months before COVID |
0.953 | 0.624 | 1.454 | 0.823 | 0.707 | 0.631 | 1.121 | 0.265 |
| Sex, female | 1.762 | 1.178 | 2.634 | 0.005 | 0.979 | 0.611 | 1.601 | 0.114 |
| BMI | 0.991 | 0.955 | 1.028 | 0.643 | 0.076 | 0.058 | 1.205 | 0.232 |
| Diabetes Mellitus | 0.974 | 0.601 | 1.573 | 0.914 | 0.897 | 0.827 | 1.085 | 0.282 |
| Coronary Artery Disease | 1.748 | 1.022 | 2.988 | 0.041 | 2.038 | 0.958 | 2.213 | 0.037 |
| Heart Failure | 0.922 | 0.299 | 2.848 | 0.889 | -0.087 | 2.756 | -0.032 | 0.974 |
| Hypertension | 0.897 | 0.585 | 1.368 | 0.614 | 0.194 | 0.708 | 0.273 | 0.785 |
| COPD | 0.856 | 0.390 | 1.882 | 0.700 | 5.443 | 2.043 | 2.665 | 0.009 |
| Asthma | 1.001 | 0.540 | 1.856 | 0.995 | 0.132 | 00.843 | 0.156 | 0.876 |
| COVID-19 vaccination | 1.398 | 0.636 | 3.071 | 0.403 | 0.001 | 0.609 | 0.003 | 0.998 |
| III pandemic wave | 1.048 | 0.662 | 0.715 | 0.841 | – | – | – | – |
| IV pandemic wave | 0.416 | 0.242 | 0.715 | 0.001 | – | – | – | – |
| V pandemic wave | 0.248 | 0.120 | 0.510 | < 0.001 | – | – | – | – |
| Reduced backward stepwise model | ||||||||
| COVID-19 severity | 1.816 | 1.118 | 2.783 | 0.006 | 1.733 | 0.563 | 3.075 | 0.002 |
| Sex, female | 1.747 | 1.189 | 2.567 | 0.004 | – | – | – | – |
| IV pandemic wave | 0.421 | 0.249 | 0.711 | 0.001 | – | – | – | – |
| V pandemic wave | 0.265 | 0.133 | 0.527 | < 0.001 | – | – | – | – |
| Coronary Artery Disease | – | – | – | – | 1.836 | 0.880 | 2.087 | 0.039 |
| COPD | – | – | – | – | 4.571 | 1.884 | 2.425 | 0.017 |
| Any sleep disorders | – | – | – | – | 1.638 | 0.562 | 2.912 | 0.004 |
# – Linear regression analysis; * – Logistic regression analysis; OR – Odds ratio; COPD – chronic obstructive pulmonary disease; BMI – Body Mass Index. Statistically significant values are in bold with the significance level set at p < 0.05.