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Association between tuberculosis in men and social network structure in Kampala, Uganda
Paige B Miller1, Sarah Zalwango2, Ronald Galiwango3
1Odum School of Ecology, University of Georgia, Athens, GA, 30602, USA.
BMC Infectious Diseases
|October 1, 2021
Summary
Tuberculosis (TB) affects more men than women globally. This study reveals distinct social mixing patterns, showing TB cases have more adult male contacts and fewer child contacts, which may influence TB transmission.
Area of Science:
- Epidemiology
- Social Network Analysis
- Public Health
Background:
- Tuberculosis (TB) disproportionately affects males globally.
- Social mixing patterns by sex may influence TB infection dynamics.
- Investigating mechanisms of social contact relevant to TB transmission.
Purpose of the Study:
- To examine how social mixing influences men's contact rates with TB cases.
- To understand the role of social networks in TB epidemiology.
- To identify sex-specific social contact patterns in TB transmission.
Main Methods:
- Comparative network analysis of male and female TB cases and controls in Kampala, Uganda.
- Estimation of social network positions (distance, degree, betweenness, closeness).
- Analysis of assortativity patterns (mixing with different age/sex groups, inside/outside household).
Main Results:
- Network analysis involved 11,840 individuals.
- Minimal sex-based differences in social network node positions were observed.
- Distinct mixing patterns revealed TB cases have more adult male contacts and fewer child contacts.
Conclusions:
- Social mixing patterns are significantly associated with TB disease.
- Understanding these network dynamics is crucial for targeted TB interventions.
- Network analysis provides insights into TB transmission in high-burden populations.
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