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Table 2 Global properties of empirical and random networks of the NSNG and the SNG

From: Factors associated with needle sharing among people who inject drugs in Yunnan, China: a combined network and regression analysis

Global properties

Never shared needles

Sharing needles

Network clustering coefficient

0.273

0.588

Network clustering coefficientRandom

0.221(±0.002)

0.364(±0.002)

Characteristic path length

2.140

1.858

Characteristic path lengthRandom

2.125(±0.003)

1.726(±0.001)

Number of nodes

19.000

20.000

Number of edges

38.000

65.000

Average number of neighbours

4.000

6.500

Network density

0.222

0.342

Network diameter

4.000

4.000

Network heterogeneity

0.532

0.509

Network centralization

0.248

0.322

Network clustering coefficient

0.273

0.588

Characteristic path length

2.140

1.858