Table 1 Demographic data by general characteristics and brief medical history.

From: Neutralising SARS-CoV-2 RBD-specific antibodies persist for at least six months independently of symptoms in adults

Demographic data

All participants

(n = 1655)

n

%

SEM

Gender

Female

  

886

53.53%

(±1.23)

Male

  

769

46.46%

(±1.23)

Age group

Young

15–25 a

Mean age = 22.40 (±0.15)

226

13.66%

 
 

Home office

63

27.88%

(±3.08)

 

No home office

146

64.60%

(±2.99)

 

Not specified

7

3.10%

(±1.16)

Medium

25–50 a

Mean age =  37.80 (±0.23)

1031

62.30%

 
 

Home office

555

53.83%

(±1.55)

 

No home office

409

39.67%

(±1.55)

 

Not specified

3

0.29%

(±0.17)

Older

>50 a

Mean age =  54.75 (±0.18)

395

23.87%

 
 

Home office

248

62.78%

(±2.43)

 

No home office

123

31.13%

(±2.44)

 

Not specified

1

0.25%

(±0.25)

Not specified

 

3

0.18%

 

Home office

No

 

778

47.01%

(±1.23)

Yes

 

866

52.33%

(±1.23)

Not Specified

 

11

0.66%

(±0.20)

Residence

Vienna

 

1115

67.37%

(±1.15)

Outside Vienna

531

32.08%

(±1.15)

Not specified

 

9

0.54%

(±0.18)

Children (≤15a) living in same houshold

No

 

1184

71.54%

(±1.11)

Yes

 

463

27.98%

(±1.10)

  

Not specified

 

8

0.48%

(±0.17)

Travelling in the last 3 months

No

 

806

48.76%

(±1.23)

Yes

 

822

49.61%

(±1.23)

  

Not specified

 

27

1.63%

(±0.31)

Use of public transport

No

 

510

30.82%

(±1.14)

Yes

 

446

26.95%

(±1.10)

Not specified

 

699

42.24%

(±1.22)

Social contacts during lockdown

No

 

104

6.28%

(±0.60)

Yes

 

1016

61.39%

(±1.20)

  

Not specified

 

535

32.33%

(±1.15)

Known contact with COVID-19 infected patients

No

 

1617

97.70%

(±0.37)

Yes

 

36

2.17%

(±0.36)

Not specified

2

0.12%

(±0.09)

Previously tested for COVID-19

No

 

1630

98.49%

(±0.30)

Yes

 

19

1.15%

(±0.26)

 

Positive

3

15.79%

(±0.13)

 

Negative

5

26.32%

(±0.10)

 

Not specified

11

57.89%

(±0.20)

Not specified

 

6

0.36%

(±0.15)

Symptoms in the last 3 months

No

 

956

57.76%

(±1.21)

Yes

 

696

42.05%

(±1.21)

Not specified

 

3

0,18%

(±0.10)

Personal risk factors / medical history

No

 

1257

75.95%

(±0.88)

Yes

 

391

23.62%

(±0.87)

Not specified

 

7

0.42%

(±0.16)

Use of medication

No

 

1246

75.29%

(±1.06)

Yes

 

403

24.35%

(±1.06)

Not Specified

 

6

0.36%

(±0.15)

  1. These data were analysed from the received questionnaires.