Table 3 Factors associated with SARS-Cov-2 seropositivity

Age

0.86 [0.53–01.42]

0.57

1.01 [0.57–01.77]

0.30

Gender

1.54 [0.87–02.73]

0.13

1.64 [0.86–03.12]

0.13

Education level

0.76 [0.39–04.68]

0.42

0.55 [0.34–06.24]

0.54

Region density

3.33 [1.86–05.97]

<0.01

4.13 [2.09–08.17]

< 0.01

Dialysis vintage

0.99 [0.97–01.01]

0.30

0.99 [0.98–01.02]

0.90

Contact case

7.90 [1.41–44.15]

0.02

13.66 [2.14–87.35]

0.01

Frequency of dialysis

0.90 [0.49–01.63]

0.72

0.91 [0.46–01.81]

0.80

Respiratory symptoms

5.84 [2.75–12.43]

<0.01

4.02 [2.87–17.16]

< 0.01

Fever

3.22 [1.34–07.73]

0.01

2.58 [0.92–07.26]

0.07

Diarrhea

1.60 [0.54–04.72]

0.39

0.93 [0.25–03.40]

0.91