Position-specific HIV risk in a large network of homeless youths.

Abstract:

OBJECTIVES:We examined interconnections among runaway and homeless youths (RHYs) and how aggregated network structure position was associated with HIV risk in this population. METHODS:We collected individual and social network data from 136 RHYs. On the basis of these data, we generated a sociomatrix, accomplished network visualization with a "spring embedder," and examined k-cores. We used multivariate logistic regression models to assess associations between peripheral and nonperipheral network position and recent unprotected sexual intercourse. RESULTS:Small numbers of nominations at the individual level aggregated into a large social network with a visible core, periphery, and small clusters. Female youths were more likely to be in the core, as were youths who had been homeless for 2 years or more. Youths at the periphery were less likely to report unprotected intercourse and had been homeless for a shorter duration. CONCLUSIONS:HIV risk was a function of risk-taking youths' connections with one another and was associated with position in the overall network structure. Social network-based prevention programs, young women's housing and health programs, and housing-first programs for peripheral youths could be effective strategies for preventing HIV among this population.

journal_name

Am J Public Health

authors

Rice E,Barman-Adhikari A,Milburn NG,Monro W

doi

10.2105/AJPH.2011.300295

subject

Has Abstract

pub_date

2012-01-01 00:00:00

pages

141-7

issue

1

eissn

0090-0036

issn

1541-0048

pii

AJPH.2011.300295

journal_volume

102

pub_type

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