Table 1 Baseline characteristics of the subjects with COVID-19 stratified according to the level of impairment in functional status
From: Construct validity of the Post-COVID-19 Functional Status Scale in adult subjects with COVID-19
Variables | Total sample | Post-COVID-19 Functional Status Scale | ||||
|---|---|---|---|---|---|---|
Grade = 0 | Grade = 1 | Grade = 2 | Grade = 3 | Grade = 4 | ||
(n = 1939) | (n = 58, 3%) | (n = 157, 8%) | (n = 643, 33%) | (n = 1011, 52%) | (n = 70, 4%) | |
General | ||||||
Women, n (%) | 1652 (85) | 46 (79) | 118 (75) | 538 (84) | 890 (88)b | 60 (86) |
Age (years) | 46 ± 11 | 51 ± 12 | 47 ± 11 | 46 ± 11a | 46 ± 10a | 45 ± 12a |
BMI (kg/m2) | 25.2 [22.6–28.8] | 26.1 [24.3–29.1] | 25.6 [23.1–28.3] | 25.2 [22.7–28.7] | 25.2 [22.5–29.3] | 22.5 [20.5–26.7]a,b,c,d |
Underweight (BMI < 18.5), n (%) | 27 (1) | 0 (0) | 2 (1) | 4 (0.6) | 18 (2) | 3 (4)c |
Normal weight (BMI: 18.5–24.9), n (%) | 901 (47) | 21 (36) | 67 (43) | 301 (47) | 468 (46) | 44 (63)a,b |
Overweight (BMI: 25.0–29.9), n (%) | 621 (32) | 25 (43) | 66 (42) | 209 (33) | 307 (31)b | 14 (20)a,b |
Obesity (BMI ≥ 30), n (%) | 389 (20) | 12 (21) | 22 (14) | 128 (20) | 218 (22) | 9 (13) |
Time since first symptoms (days) | 79 ± 17 | 77 ± 21 | 82 ± 19 | 79 ± 17 | 79 ± 16 | 83 ± 15 |
Number of reported symptoms, (n) | 11 ± 3 | 7 ± 4 | 9 ± 4 | 10 ± 3a,b | 11 ± 3a,b,c | 12 ± 3a,b,c,d |
COVID-19 Diagnosis | ||||||
Hospitalized, test-based diagnosis, n (%) | 102 (5) | 9 (15) | 6 (4)a | 31 (5)a | 52 (5)a | 4 (6) |
Non-hospitalized, test-based diagnosis, n (%) | 319 (17) | 17 (29) | 30 (19) | 120 (19) | 144 (14)a | 8 (11) |
Non-hospitalized, symptom-based diagnosis, n (%) | 820 (42) | 14 (24) | 43 (27) | 253 (39) | 473 (47)a,b,c | 37 (53)a,b,c |
Non-hospitalized, no formal diagnosis, n (%) | 698 (36) | 18 (31) | 78 (50) | 239 (37)b | 342 (34)b | 21 (30) |
Self-reported pre-existing comorbidities | ||||||
None, n (%) | 1182 (61) | 38 (65) | 98 (62) | 406 (63) | 609 (60) | 31 (44)c |
1 comorbidity, n (%) | 499 (26) | 15 (26) | 47 (30) | 161 (25) | 259 (26) | 17 (24) |
≥ 2 comorbidities, n (%) | 258 (13) | 5 (9) | 12 (8) | 76 (12) | 143 (14) | 22 (31)a,b,c,d |
Marital Status | ||||||
Alone, n (%) | 404 (21) | 14 (24) | 26 (17) | 126 (20) | 211 (21) | 27 (39)b,c,d |
Married/Living Together, n (%) | 1381 (71) | 42 (72) | 120 (76) | 469 (73) | 712 (70) | 38 (54)b,c,d |
Divorced, n (%) | 130 (7) | 2 (3) | 8 (5) | 41 (6) | 74 (7) | 5 (7) |
Widow(er), n (%) | 24 (1) | 0 (0) | 3 (2) | 7 (1) | 14 (1) | 0 (0) |
Smoking Status | ||||||
Current smoker, n (%) | 119 (6) | 3 (5) | 4 (2) | 39 (6) | 68 (7) | 5 (7) |
Stopped smoking after COVID-19, %, n (%) | 226 (12) | 8 (14) | 23 (15) | 78 (12) | 108 (11) | 9 (13) |
Never smoked, n (%) | 1594 (82) | 47 (81) | 130 (83) | 526 (82) | 835 (83) | 56 (80) |