{"id":1284,"date":"2024-01-01T13:15:33","date_gmt":"2024-01-01T18:15:33","guid":{"rendered":"https:\/\/web.uri.edu\/ncipher\/?p=1284"},"modified":"2025-10-24T13:16:57","modified_gmt":"2025-10-24T17:16:57","slug":"overall-direct-spillover-and-composite-effects-of-components-of-a-peer-driven-intervention-package-on-injection-risk-behavior-among-people-who-inject-drugs-in-the-hptn-037-study","status":"publish","type":"post","link":"https:\/\/web.uri.edu\/ncipher\/overall-direct-spillover-and-composite-effects-of-components-of-a-peer-driven-intervention-package-on-injection-risk-behavior-among-people-who-inject-drugs-in-the-hptn-037-study\/","title":{"rendered":"Overall, Direct, Spillover, and Composite Effects of Components of a Peer-Driven Intervention Package on Injection Risk Behavior Among People Who Inject Drugs in the HPTN 037 Study"},"content":{"rendered":"<p>We sought to disentangle effects of the components of a peer-education intervention on self-reported injection risk behaviors among people who inject drugs (n = 560) in Philadelphia, US. We examined 226 egocentric groups\/networks randomized to receive (or not) the intervention. Peer-education training consisted of two components delivered to the intervention network index individual only: (1) an initial training and (2) &#8220;booster&#8221; training sessions during 6- and 12-month follow up visits. In this secondary data analysis, using inverse-probability-weighted log-binomial mixed effects models, we estimated the effects of the components of the network-level peer-education intervention upon subsequent risk behaviors. This included contrasting outcome rates if a participant is a network member [non-index] under the network exposure versus under the network control condition (i.e., spillover effects).<\/p>\n<p>PMID: 37932493 PMCID: PMC11062514<\/p>\n<p><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/37932493\/\">Overall, Direct, Spillover, and Composite Effects of Components of a Peer-Driven Intervention Package on Injection Risk Behavior Among People Who Inject Drugs in the HPTN 037 Study<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We sought to disentangle effects of the components of a peer-education intervention on self-reported injection risk behaviors among people who inject drugs (n = 560) in Philadelphia, US. We examined 226 egocentric groups\/networks randomized to receive (or not) the intervention. Peer-education training consisted of two components delivered to the intervention network index individual only: (1) [&hellip;]<\/p>\n","protected":false},"author":5326,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[14],"tags":[],"class_list":["post-1284","post","type-post","status-publish","format-standard","hentry","category-research"],"acf":[],"_links":{"self":[{"href":"https:\/\/web.uri.edu\/ncipher\/wp-json\/wp\/v2\/posts\/1284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/web.uri.edu\/ncipher\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/web.uri.edu\/ncipher\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/web.uri.edu\/ncipher\/wp-json\/wp\/v2\/users\/5326"}],"replies":[{"embeddable":true,"href":"https:\/\/web.uri.edu\/ncipher\/wp-json\/wp\/v2\/comments?post=1284"}],"version-history":[{"count":1,"href":"https:\/\/web.uri.edu\/ncipher\/wp-json\/wp\/v2\/posts\/1284\/revisions"}],"predecessor-version":[{"id":1285,"href":"https:\/\/web.uri.edu\/ncipher\/wp-json\/wp\/v2\/posts\/1284\/revisions\/1285"}],"wp:attachment":[{"href":"https:\/\/web.uri.edu\/ncipher\/wp-json\/wp\/v2\/media?parent=1284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/web.uri.edu\/ncipher\/wp-json\/wp\/v2\/categories?post=1284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/web.uri.edu\/ncipher\/wp-json\/wp\/v2\/tags?post=1284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}