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Table 1 Network measures used for analysis

From: Participation in the Cardiovascular Health Awareness Program (CHAP) by older adults residing in social housing in Quebec: Social network analysis

Measures Definition Proposed analysis or use
In-degree centrality Sum of links received by an actor (incoming links) or number of times (s) he is nominated by the members of the network divided by the total number of possible links. A high percentage shows confidence and interest in this actor. Could help identify opinion leaders in each building.
Total degree centrality Sum of incoming (named by others) and outgoing (named by others) links of an actor divided by the total number of possible links. A high percentage indicates that an actor is more likely to be in the flow of information and thus retain a central diffusion position.
Group membership Number of groups of which an actor is member. This measure complemented the evaluation of an actor’s ability to diffuse information/behavior.