Table 4 Network composition and structural characteristics, by periods

Network size (no. of nodes)

25

75

103

171

No. of edges

89

255

472

934

No. and type of organisations

 University or Research Institute

14

41

62

112

 Government

10

23

26

21

 Health Service

1

6

8

22

 Training, Peak Body or Advocacy Organisation

0

3

7

12

 Other

0

2

0

4

No. and type of organisations by international, rural, Aboriginal and Torres Strait Islander

 International organisations

2

16

30

65

 Rural organisations

4

13

19

23

 Aboriginal and Torres Strait Islander organisations

0

1

4

14

Assortativity

 By organisation type

0.080

− 0.023

0.010

0.049

 By international organisation

0.288

− 0.022

0.264

0.246

 By rural organisation

− 0.077

0.104

0.183

0.373

 By Aboriginal and Torres Strait Islander organisation

n.a

n.a

0.110

0.121

Edge distribution

 Minimum degree

0

0

0

0

 Median degree

3

3

4

5

 Mean degree

3.76

4.4

5.44

8.08

 Maximum degree

10

16

25

58

 Degree variance

7.02

12.54

28.42

89.06

Network structure

 Network density

0.157

0.059

0.053

0.048

 Clustering (average local transitivity)

0.721

0.78

0.725

0.766

 Freeman degree centralisation

0.260

0.157

0.192

0.294

 No. of separate components

2

9

17

9

 No. of isolated nodes

1

6

10

2

 Size of the largest component

24

63

78

155

 Proportion of nodes in main component

0.96

0.84

0.70

0.84

 Network diameter

5

7

6

5