Unanticipated effect of a randomized peer network intervention on depressive symptoms among young methamphetamine users in Thailand

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Abstract

We examined the effect on depressive symptoms of a peer network-oriented intervention effective in reducing sexual risk behavior and methamphetamine (MA) use. Current Thai MA users aged 18-25 years and their drug and/or sex network members enrolled in a randomized controlled trial with 4 follow-ups over 12 months. A total of 415 index participants recruited 568 network members. Linear repeated measures models were fit with depressive symptoms (Center for Epidemiologic Studies Depression Scale [CES-D]) as the outcome. Among indexes in the intervention condition, mean CES-D decreased from 20.0 to 15.7 (p <0.0001) over follow-up. Controlling for covariates and changes in MA and alcohol use, CES-D in this group decreased by 0.35 points per month (95% confidence interval, 0.45, -0.25). All other groups showed minimal changes in CES-D score. The peer-oriented, community-based intervention designed to reduce MA use and sexual risk behavior also resulted in substantial reduction in depressive symptoms, independent of changes in MA use.

Original languageEnglish (US)
Pages (from-to)799-813
Number of pages15
JournalJournal of Community Psychology
Volume40
Issue number7
DOIs
StatePublished - Sep 2012

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Methamphetamine
Thailand
Depression
Epidemiologic Studies
Risk-Taking
Sexual Behavior
Randomized Controlled Trials
Alcohols
Confidence Intervals
Pharmaceutical Preparations

ASJC Scopus subject areas

  • Social Psychology

Cite this

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title = "Unanticipated effect of a randomized peer network intervention on depressive symptoms among young methamphetamine users in Thailand",
abstract = "We examined the effect on depressive symptoms of a peer network-oriented intervention effective in reducing sexual risk behavior and methamphetamine (MA) use. Current Thai MA users aged 18-25 years and their drug and/or sex network members enrolled in a randomized controlled trial with 4 follow-ups over 12 months. A total of 415 index participants recruited 568 network members. Linear repeated measures models were fit with depressive symptoms (Center for Epidemiologic Studies Depression Scale [CES-D]) as the outcome. Among indexes in the intervention condition, mean CES-D decreased from 20.0 to 15.7 (p <0.0001) over follow-up. Controlling for covariates and changes in MA and alcohol use, CES-D in this group decreased by 0.35 points per month (95{\%} confidence interval, 0.45, -0.25). All other groups showed minimal changes in CES-D score. The peer-oriented, community-based intervention designed to reduce MA use and sexual risk behavior also resulted in substantial reduction in depressive symptoms, independent of changes in MA use.",
author = "Danielle German and Catherine Sutcliffe and B. Sirirojn and Susan Sherman and Latkin, {Carl A} and A. Aramrattana and Celentano, {David D}",
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AU - German, Danielle

AU - Sutcliffe, Catherine

AU - Sirirojn, B.

AU - Sherman, Susan

AU - Latkin, Carl A

AU - Aramrattana, A.

AU - Celentano, David D

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N2 - We examined the effect on depressive symptoms of a peer network-oriented intervention effective in reducing sexual risk behavior and methamphetamine (MA) use. Current Thai MA users aged 18-25 years and their drug and/or sex network members enrolled in a randomized controlled trial with 4 follow-ups over 12 months. A total of 415 index participants recruited 568 network members. Linear repeated measures models were fit with depressive symptoms (Center for Epidemiologic Studies Depression Scale [CES-D]) as the outcome. Among indexes in the intervention condition, mean CES-D decreased from 20.0 to 15.7 (p <0.0001) over follow-up. Controlling for covariates and changes in MA and alcohol use, CES-D in this group decreased by 0.35 points per month (95% confidence interval, 0.45, -0.25). All other groups showed minimal changes in CES-D score. The peer-oriented, community-based intervention designed to reduce MA use and sexual risk behavior also resulted in substantial reduction in depressive symptoms, independent of changes in MA use.

AB - We examined the effect on depressive symptoms of a peer network-oriented intervention effective in reducing sexual risk behavior and methamphetamine (MA) use. Current Thai MA users aged 18-25 years and their drug and/or sex network members enrolled in a randomized controlled trial with 4 follow-ups over 12 months. A total of 415 index participants recruited 568 network members. Linear repeated measures models were fit with depressive symptoms (Center for Epidemiologic Studies Depression Scale [CES-D]) as the outcome. Among indexes in the intervention condition, mean CES-D decreased from 20.0 to 15.7 (p <0.0001) over follow-up. Controlling for covariates and changes in MA and alcohol use, CES-D in this group decreased by 0.35 points per month (95% confidence interval, 0.45, -0.25). All other groups showed minimal changes in CES-D score. The peer-oriented, community-based intervention designed to reduce MA use and sexual risk behavior also resulted in substantial reduction in depressive symptoms, independent of changes in MA use.

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