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Table 1 Descriptive statistics of the mean number of contacts reported per case

From: Numbers of close contacts of individuals infected with SARS-CoV-2 and their association with government intervention strategies

Category

n

Mean

Median

S.D.

Percentile

2.5th

25th

75th

97.5th

Age

 0-17

6353

3.1

2

5.1

0

0

4

17

 18-24

7590

4.5

3

5.0

0

1

6

18

 25-39

10089

3.6

3

4.1

0

1

5

14

 40-64

12490

3.3

2

3.6

0

1

4

12

 >64

3339

2.4

1

3.4

0

0

3

12

Gender

 Female

20424

3.6

3

4.3

0

1

5

14

 Male

19415

3.5

2

4.3

0

1

5

15

 Not reported/neutral

22

2.3

1

2.6

0

0

4

7.5

Region

 Dublin

12748

3.5

2

4.2

0

1

5

14

 Rest of Country

27113

3.5

2

4.4

0

1

5

15

Intervention period

 Stay at Home

699

2.1

2

1.9

0

1

3

6.6

 Initial easing

1453

2.4

2

2.4

0

1

3

8

 Phase 1 reopening

960

2.7

2

3.0

0

0

4

10

 Phase 2 reopening

183

4.3

3

4.5

0

1

6.5

15.8

 Phase 3 reopening

715

5.1

4

5.4

0

2

6

20.0

 Kildare, Laois Offaly restrictions

4645

5.4

3

6.6

0

1

7

25

 Dublin level 3

1848

5.0

3

6.1

0

1

6

22

 Donegal/Dublin level 3

3883

4.0

3

4.7

0

1

6

16

 National level 3

6518

3.7

3

4.1

0

1

5

14

 Border counties level 4

4266

2.8

2

3.3

0

0

4

11

 National level 5

15051

2.9

2

3.2

0

1

4

11