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Table 4 Sociodemographic characteristics by income level of the country

From: Predictive models for health outcomes due to SARS-CoV-2, including the effect of vaccination: a systematic review

Sociodemographic characteristic

High income

Upper-middle income

Lower-middle income

Multi-income

Total

n

%

n

%

n

%

n

%

n

%

Age

No

98

23.8

24

5.8

20

4.9

17

4.1

159

38.7

Yes

187

45.5

31

7.5

13

3.2

21

5.1

252

61.3

Sex

No

268

65.2

50

12.2

33

8.0

37

9.0

388

94.4

Yes

17

4.1

5

1.2

-

-

1

0.2

23

5.6

Ethnicity

No

279

67.9

55

13.4

33

8.0

38

9.2

405

98.5

Yes

6

1.5

-

-

-

-

-

-

6

1.5

Occupation

No

246

59.9

46

11.2

31

7.5

35

8.5

358

87.1

Yes

39

9.5

9

2.2

2

0.5

3

0.7

53

12.9

Migrants

No

279

67.9

49

11.9

31

7.5

37

9.0

396

96.4

Yes

6

1.5

6

1.5

2

0.5

1

0.2

15

3.6