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. 2023 Apr 20;10:1168628. doi: 10.3389/fmed.2023.1168628

Table 3.

Characteristics of participants with long COVID condition and impact on their activities (n = 1,178).

Variable Decreased time spent at work, school, and other activities Needed help with ADL
Yes No p Yes No p
N = 338 N = 815 N = 91 N = 1,075
Gender (n, % female) 216 (63.9%) 571 (70.1%) 0.04 55 (60.4%) 742 (69.1%) 0.09
Age, mean (SD) 41.0 (16.8) 36.8 (13.7) <0.001 44.1 (19.8) 37.4 (14.2) <0.001
Age group (n, %)
<19 25 (7.4%) 56 (6.9%) <0.001 6 (6.7%) 76 (7.1%) <0.001
20–29 78 (23.1%) 227 (28.0%) 19 (21.1%) 292 (27.2%)
30–39 55 (16.3%) 207 (25.5%) 17 (18.9%) 248 (23.1%)
40–49 81 (24.0%) 173 (21.3%) 17 (18.9%) 237 (22.1%)
50–59 53 (15.7%) 98 (12.1%) 9 (10.0%) 144 (13.4%)
60–69 27 (8.0%) 32 (3.9%) 11 (12.2%) 49 (4.6%)
70+ 18 (5.3%) 19 (2.3%) 11 (12.2%) 26 (2.4%)
COVID vaccines at the time of infection
0 160 (47.6%) 303 (37.3%) <0.01 34 (37.8%) 433 (40.4%) 0.87
1 33 (9.8%) 71 (8.7%) 10 (11.1%) 93 (8.7%)
2 66 (19.6%) 183 (22.5%) 20 (22.2%) 232 (21.7%)
>=3 77 (22.9%) 256 (31.5%) 26 (28.9%) 313 (29.2%)
Number of COVID-19 symptoms during infection 13.4 (4.1) 10.3 (4.7) <0.001 12.8 (5.1) 11.0(4.7) <0.001
Smoking
No 220 (65.9%) 557 (69.1%) 0.56 58 (64.4%) 726 (68.3%) 0.69
Former 78 (23.4%) 171 (21.2%) 21 (23.3%) 233 (21.9%)
Yes 36 (10.8%) 78 (9.7%) 11 (12.2%) 104 (9.8%)
Main health conditions at the time of COVID-19
None 189 (55.9%) 586 (71.9%) <0.001 40 (44.0%) 742 (69.0%) <0.001
Respiratory disorders 36 (10.7%) 49 (6.0%) 0.01 18 (19.8%) 69 (6.4%) <0.001
Cardiovascular disorders 33 (9.8%) 55 (6.7%) 0.08 10 (11.0%) 78 (7.3%) 0.19
Diabetes 22 (6.5%) 23 (2.8%) <0.01 8 (8.8%) 38 (3.5%) 0.02
Obesity 22 (6.5%) 39 (4.8%) 0.23 5 (5.5%) 57 (5.3%) 0.93
Other metabolic disorders 20 (5.9%) 38 (4.7%) 0.38 6 (6.6%) 53 (4.9) 0.48
Rheumatic/autoimmune disorders 7 (2.1%) 5 (0.6%) 0.03 1 (1.1%) 11 (1.0%) 0.94
Mental health disorders 2 (0.6%) 1 (0.1%) 0.16 0 3 (0.3%) 0.61
Other 7 (2.1%) 15 (1.8%) 0.79 2 (2.2%) 21 (2.0%) 0.87
Used oxygen during COVID-19, yes (%) 101 (29.9%) 72 (8.8%) <0.001 41 (45.1%) 133 (12.4%) <0.001
Healthcare use during COVID-19
Primary Care 165 (48.8%) 163 (20.0%) <0.001 42 (46.2%) 288 (26.8%) <0.001
Emergency department 85 (25.1%) 39 (4.8%) <0.001 31 (34.1%) 95 (8.8%) <0.001
Hospital 36 (10.7%) 12 (1.5%) <0.001 18 (19.8%) 31 (2.9%) <0.001
Specialist 200 (59.2%) 198 (24.3%) <0.001 56 (61.5%) 344 (32.0%) <0.001
Physical therapist 86 (26.1%) 66 (8.2%) <0.001 31 (36.9%) 121 (11.4%) <0.001
Occupational therapist 24 (7.3%) 12 (1.5%) <0.001 8 (9.5%) 28 (2.6%) <0.001
Respiratory therapist 86 (26.1%) 84 (10.4%) <0.001 29 (34.5%) 142 (13.4%) <0.001
Speech pathologist 8 (2.4%) 5 (0.6%) 0.01 5 (6.0%) 8 (0.8%) <0.001
Physiologist 84 (25.5%) 78 (9.7%) <0.001 15 (17.9%) 146 (13.7%) 0.29

Survey questions were not mandatory, and some participants did not provide a response to all questions. Other metabolic disorders = kidney, liver, thyroid problems, hyperlipidemias/hypercholesterolemia. Other = neurologic conditions, vertigo, cancer, gastric problems, etc.