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Does network homophily persist in multicultural volunteering programs? Results from an Exponential Random Graph Model
Qiuchang Katy Cao1, Holly Dabelko-Schoeny2, Keith Warren2
1Florida State University College of Social Work, Tallahassee, FL 32304, United States.
In multicultural volunteer programs, older adults form friendships based on shared gender, nationality, education, and recruitment site, indicating strong homophily. Interventions could foster cross-cultural connections.
Area of Science:
- Gerontology
- Sociology
- Social Network Analysis
Background:
- Limited research exists on social network structures within multicultural volunteer programs for low-income older adults.
- Understanding how diverse older adults build social connections beyond their ethnic groups is crucial.
Purpose of the Study:
- To identify social network structures within a Senior Companion Program (SCP), a multicultural volunteer initiative.
- To analyze friendship formation patterns among diverse older adult volunteers.
Main Methods:
- Data collected via surveys from 41 older adult volunteers (Russian, Khmer, Somali, Nepali, English-speaking) in a Midwestern US city.
- Exponential Random Graph Modeling (ERGM) used to analyze network data.
- Friendship nominations analyzed for statistically significant structural features.
Main Results:
- Volunteers formed friendships based on shared gender (β=3.27), country of origin (β=2.89), education level (β=0.71), and recruitment site (β=2.77).
- Homophily, particularly by nationality, significantly influenced relationship formation.
- Transitive ties (friend of a friend) were surprisingly infrequent (β=-1.01).
Conclusions:
- Friendship networks in this multicultural volunteer program are primarily driven by homophily.
- Strategies like addressing language barriers and diversifying recruitment sites may reduce nationality-based homophily.
- Further research is needed to understand the impact of cultural interaction diversity on volunteer engagement.
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