Table 1.
Demographics and PCR testing for the participants according to their disease severity
| Negative at baseline and during follow-up N = 295 (38.4) |
Asymptomatic N = 73 (9.5) |
Mild-moderate illness N = 363 (47.2) |
Severe-critical illness N = 38 (4.9) |
Total N = 769 |
|
|---|---|---|---|---|---|
| Age (years) | 46 (38.5–56) [19–66] | 45 (31–52) [19–66] | 45 (35–53) [18–66] | 56.5 (50–61) [30–66] | 46 (36–54) [18–66] |
| Gender assigned at birth | |||||
| Female | 238 (80.7) | 48 (65.7) | 274 (75.5) | 18 (47.4) | 578 (75.2) |
| Male | 57 (19.3) | 25 (34.3) | 89 (24.5) | 20 (52.6) | 191 (24.8) |
| Profession | |||||
| Doctor | 112 (38.0) | 9 (12.3) | 76 (20.9) | 13 (34.2) | 210 (27.3) |
| Nurse | 95 (32.2) | 19 (26.0) | 96 (26.4) | 10 (26.3) | 220 (28.6) |
| Nurse assistant | 13 (4.41) | 9 (12.3) | 34 (9.37) | 4 (10.5) | 60 (7.80) |
| Others | 75 (25.4) | 36 (49.3) | 157 (43.3) | 11 (28.9) | 279 (36.3) |
| Highest educational level attained | |||||
| Higher level vocational school | 34 (11.8) | 6 (8.57) | 32 (9.22) | 1 (2.78) | 73 (9.84) |
| University | 27 (9.34) | 29 (41.4) | 94 (27.1) | 10 (27.8) | 160 (21.6) |
| Others | 228 (78.9) | 35 (50.0) | 221 (63.7) | 25 (69.4) | 509 (68.6) |
| NA | 6 | 3 | 16 | 2 | 27 |
| Marital status | |||||
| Single | 44 (15.3) | 16 (25.0) | 63 (18.2) | 3 (8.33) | 126 (17.1) |
| Married/cohabitation | 196 (68.1) | 42 (65.6) | 255 (73.5) | 29 (80.6) | 522 (71.0) |
| Divorced | 43 (14.9) | 3 (4.69) | 22 (6.34) | 3 (8.33) | 71 (9.66) |
| Widow | 5 (1.74) | 3 (4.69) | 7 (2.02) | 1 (2.78) | 16 (2.18) |
| NA | 7 | 9 | 16 | 2 | 34 |
| Nationality | |||||
| Spain | 270 (95.4) | 57 (90.5) | 291 (87.7) | 35 (100) | 653 (91.6) |
| European Union | 1 (0.35) | 0 (0.00) | 1 (0.30) | 0 (0.00) | 2 (0.28) |
| South America | 7 (2.47) | 1 (1.59) | 23 (6.93) | 0 (0.00) | 31 (4.35) |
| Others | 5 (1.77) | 5 (7.94) | 17 (5.12) | 0 (0.00) | 27 (3.79) |
| NA | 12 | 10 | 31 | 3 | 59 |
| Number of symptoms at baseline | – | 0 (0) [0–0] | 7 (4–9) [1–17] | 9 (8–11) [2–17] | 6 (2–9) [0–17] (*) |
| Days of follow-up | 424 (269.5–481) [13–545] |
302 (189–365) [14–527] |
350 (271–434.5) [13–537] |
438.5 (357.8–475.5) [156–505] |
363 (269–464) [13–545] |
| Days since first positive diagnosis test | – |
302 (220.5–374.5) [14–602] |
365 (287–429) [28–617] | 492 (341.8–540.8) [28–582] | 370 (286–510) (*) [14–617] |
| ≥ 1 positive PCR during follow-up | 0 (0) | 20 (27.4) | 118 (32.5) | 2 (5.3) | 204 (26.5) |
Categoric variables are described as N (%), and numeric variables as median (IQR) [min, max]
NA not available
In categories with NA, percentages were calculated excluding these answers. Diagnosis was made based on a positive PCR or IgM(N) or IgG(N) test. *Excludes negative participants. “Others” category in “Profession” includes physiotherapists, management and administration staff, and social workers; “Others” category in “Highest educational level attained” includes primary (5–12 years old) and secondary education (12–16 years old); and “Others” category in “Nationality” includes participants from Morocco, Senegal and Russia