Table 4 Enrollments of each age cohort in two Samples.

From: A longitudinal resource for population neuroscience of school-age children and adolescents in China

Age Group

Sample

≤5

6

7

8

9

10

11

12

13

14

15

16

17

≥18

Enrollments

Wave1

CKG

0

7

21

19

22

27

29

10

20

10

10

20

12

0

207

PEK

8

37

51

31

47

36

24

16

5

4

4

3

3

3

272

Wave2

CKG

0

0

2

17

18

24

20

30

7

14

9

7

9

6

163

PEK

0

0

7

12

15

13

17

10

4

4

1

0

0

1

84

Wave3

CKG

0

0

0

0

8

25

15

6

18

7

7

7

2

6

101

PEK

0

0

0

1

2

10

3

8

4

3

4

2

0

0

37

Total

8

44

81

80

112

135

108

80

58

42

35

39

26

15

864