The dynamics of injection drug users' personal networks and HIV risk behaviors
ABSTRACT Aims While studies of the social networks of injection drug users (IDUs) have provided insight into how the structures of interpersonal relationships among IDUs affect HIV risk behaviors, the majority of these studies have been cross‐sectional. The present study examined the dynamics of ID...
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Veröffentlicht in: | Addiction (Abingdon, England) England), 2006-07, Vol.101 (7), p.1003-1013 |
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Zusammenfassung: | ABSTRACT
Aims While studies of the social networks of injection drug users (IDUs) have provided insight into how the structures of interpersonal relationships among IDUs affect HIV risk behaviors, the majority of these studies have been cross‐sectional. The present study examined the dynamics of IDUs’ social networks and HIV risk behaviors over time.
Design Using data from a longitudinal HIV‐intervention study conducted in Baltimore, MD, this study assessed changes in the composition of the personal networks of 409 IDUs. We used a multi‐nomial logistic regression analysis to assess the association between changes in network composition and simultaneous changes in levels of injection HIV risk behaviors. Using the regression parameters generated by the multi‐nomial model, we estimated the predicted probability of being in each of four HIV risk behavior change groups.
Findings Compared to the base case, individuals who reported an entirely new set of drug‐using network contacts at follow‐up were more than three times as likely to be in the increasing risk group. In contrast, reporting all new non‐drug‐using contacts at follow‐up increased the likelihood of being in the stable low‐risk group by almost 50% and decreased the probability of being in the consistently high‐risk group by more than 70%.
Conclusions The findings from this study show that, over and above IDUs’ baseline characteristics, changes in their personal networks are associated with changes in individuals’ risky injection behaviors. They also suggest that interventions aimed at reducing HIV risk among IDUs might benefit from increasing IDUs’ social contacts with individuals who are not drug users. |
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ISSN: | 0965-2140 1360-0443 |
DOI: | 10.1111/j.1360-0443.2006.01431.x |