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Table 1 Node role classification used in food networksa

From: Using food network analysis to understand meal patterns in pregnant women with high and low diet quality

Node role classification

WCb

PC

Description

Provincial hub

≥ 1.0

≤ 0.30

Most edges within its own community

Connector hub

≥ 1.0

>  0.3 and ≤ 0.75

Many edges to other communities

Kinless hub

≥ 1.0

>  0.75

Edges uniformly distributed among other communities

Ultra-peripheral

<  1.0

≤ 0.05

All edges within its community

Peripheral

<  1.0

>  0.05 and ≤ 0.62

Most edges within its community

Non-hub connector

<  1.0

>  0.62 and ≤ 0.80

Many edges to other communities

Non-hub kinless

<  1.0

≥ 0.80

Edges uniformly distributed among other communities

  1. PC participation coefficient, WC within-community degree
  2. a Using the method from Guimerà et al. [46]
  3. b WC threshold adapted to fit network sparsity of our data