Table 3.
Multivariable multinomial logistic regression analyses for number of reported barriers
| Dependent variable category | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1 barrier | > 1 barrier | |||||||
| Independent variables | OR | 95%-CI | p-value | OR | 95%-CI | p-value | ||
| Low | Upp | Low | Upp | |||||
| Gender | N.S | N.S | ||||||
| Women (ref) | ||||||||
| Men | ||||||||
| Age in categories | ||||||||
| 18–24 years | 2.006 | 1.143 | 3.523 | .015 | 3.042 | 1.841 | 5.026 | < .001 |
| 25–34 years | 1.523 | 1.173 | 1.977 | .002 | 2.570 | 2.062 | 3.202 | < .001 |
| 35–44 years | 1.265 | 1.047 | 1.529 | .015 | 1.476 | 1.257 | 1.733 | < .001 |
| 45–54 years (ref) | - | - | - | - | - | - | - | - |
| 55–64 years | .807 | .686 | .949 | .010 | .608 | .529 | .698 | < .001 |
| 65–88 years | .724 | .532 | .987 | .041 | .523 | .399 | .685 | < .001 |
| Educational level | ||||||||
| Low | .865 | .713 | 1.049 | .141 | .439 | .370 | .521 | < .001 |
| Middle | .896 | .775 | 1.037 | .142 | .643 | .568 | .728 | < .001 |
| High (ref) | - | - | - | - | - | - | - | - |
| Comorbidity | N.S | N.S | ||||||
| No (ref) | ||||||||
| Yes | ||||||||
| Hospital admission | ||||||||
| No (ref) | - | - | - | - | - | - | - | - |
| Yes | .726 | .581 | .908 | .005 | .550 | .455 | .666 | < .001 |
| Time since infection | ||||||||
| ≤ 6 months | .515 | .415 | .639 | < .001 | .301 | .251 | .362 | < .001 |
| 7–12 months | .646 | .535 | .779 | < .001 | .397 | .338 | .466 | < .001 |
| 13–18 months | .797 | .661 | .961 | .017 | .562 | .479 | .659 | < .001 |
| > 18 months (ref) | - | - | - | - | - | - | - | - |
| Severe fatigue | ||||||||
| No | .965 | .787 | 1.183 | .732 | .730 | .611 | .873 | < .001 |
| Yes (ref) | - | - | - | - | - | - | - | - |
| Dyspnoea | ||||||||
| Grade 1 (ref) | - | - | - | - | - | - | - | - |
| Grade 2 | 1.247 | 1.055 | 1.473 | .010 | 1.218 | 1.056 | 1.405 | .007 |
| Grade 3 | 1.139 | .960 | 1.351 | .135 | 1.177 | 1.019 | 1.360 | .027 |
| Grade 4 | 1.304 | .907 | 1.874 | .151 | 1.314 | .961 | 1.797 | .087 |
| Grade 5 | 1.343 | .864 | 2.085 | .190 | 1.682 | 1.153 | 2.453 | .007 |
| Cognition | ||||||||
| None | .685 | .536 | .877 | .003 | .607 | .493 | .749 | < .001 |
| Slight | .977 | .830 | 1.150 | .779 | .897 | .780 | 1.031 | .126 |
| Moderate (ref) | - | - | - | - | - | - | - | - |
| Severe | 1.114 | .929 | 1.336 | .245 | 1.177 | 1.008 | 1.373 | .039 |
| Extreme | .955 | .642 | 1.419 | .818 | 1.104 | .794 | 1.534 | .556 |
| Anxiety Disorder | ||||||||
| No (ref) | - | - | - | - | - | - | - | - |
| Yes | 1.018 | .844 | 1.229 | .848 | 1.300 | 1.109 | 1.523 | .001 |
| Depression | ||||||||
| No (ref) | - | - | - | - | - | - | - | - |
| Yes | 1.344 | 1.125 | 1.606 | .001 | 1.496 | 1.285 | 1.742 | < .001 |
| General practitioner | ||||||||
| No | 1.368 | 1.033 | 1.811 | .029 | .776 | .595 | 1.014 | .063 |
| Yes (ref) | - | - | - | - | - | - | - | - |
| Paramedic | ||||||||
| No | 2.170 | 1.627 | 2.893 | < .001 | 1.649 | 1.259 | 2.160 | < .001 |
| Yes (ref) | - | - | - | - | - | - | - | - |
| Medical specialist | ||||||||
| No | 1.017 | .879 | 1.178 | .818 | .809 | .713 | .917 | < .001 |
| Yes (ref) | - | - | - | - | - | - | - | - |
| Occupational physician | ||||||||
| No | 1.485 | 1.258 | 1.751 | < .001 | 1.477 | 1.278 | 1.707 | < .001 |
| Yes (ref) | - | - | - | - | - | - | - | - |
| Mental health professional | ||||||||
| No | 1.036 | .900 | 1.192 | .624 | .844 | .750 | .951 | .005 |
| Yes (ref) | - | - | - | - | - | - | - | - |
A total of 10,413 respondents were included in regression analyses, due to missing data on gender or educational level (n = 49). The categorical dependent variable consisted of three groups: 0 (reference), 1 and > 1 barrier. N.S. = not significant (p > 0.05)