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Many people enrolled in drug diversion programs are not receiving evidence-based prevention for HIV or hepatitis. This study translated basic research from cognitive science to increase screening for infection and condom use in this population. A parallel three-condition randomized trial was conducted in a drug diversion sample (N = 358), comparing a memory practice condition with two active control conditions. Outcomes were condom use frequency and testing for infection (hepatitis B/C, HIV). At 3-month follow-up, participants in the memory practice condition were at least twice as likely (OR = 2.10 or greater, p < .01) to self-report testing compared to those in the control conditions and also reported more frequent condom use compared to a health education condition [B = .37, t(1) = 2.02, p = .02]. Basic research on memory can be effectively translated to brief interventions on infection screening and risk prevention in existing drug diversion programs.

Although pre-exposure prophylaxis (PrEP) use is increasing among men who have sex with men (MSM), condoms remain key to HIV prevention. Implementation intentions-which link a behavioral action plan with a situation or cue-may predict condom use. The Strength of Implementation Intentions Scale (SIIS), which assesses condom use implementation intentions, has not been evaluated among MSM. A structural model tested whether the SIIS mediated the relationship between condom use intentions and condomless sex acts among 266 sexually-active MSM (56% White, 26% Black, 15% Latino, M age = 32.54). After controlling for PrEP use, HIV-status, and demographics (χ 2 (107) = 140.06, CFI = 0.98, TLI = 0.97, RMSEA = 0.03), the SIIS fully mediated the relationship between condom use intentions and condomless sex acts. The SIIS can serve as a fidelity check for interventions, a mediator in theoretical models, and future studies should incorporate implementation intentions into HIV prevention interventions for MSM.

Background: Implementation intentions are situation-linked action plans that increase health behaviors such as condom use. Few studies have measured the strength of implementation intentions, especially regarding condom use. Non-injection drug users are at high risk for HIV due to risky sexual practices. Substance use before sex may increase risky sexual behaviors, and implementation intentions are a promising, practical route for HIV prevention., Purpose: This prospective study assessed the measurement properties of the newly developed Strength of Implementation Intentions Scale (SIIS) for condom use and investigated whether the SIIS predicted condom use one-year later. The study evaluated whether behavioral intentions and alcohol or methamphetamine use before sex modified the relationship between the SIIS and condom use., Methods: Participants were 590 non-injection drug users convicted of nonviolent drug offenses in court-mandated outpatient drug diversion programs. They completed self-directed computer assessments at baseline and at one-year follow-up. Measures included demographics, behavioral intentions to use condoms, the SIIS for condom use, alcohol and methamphetamine use before or during sex, and condom use. Psychometric properties, direct, and interaction effects of the SIIS were evaluated using structural equation modeling and general linear regressions., Results: The SIIS, behavioral intentions, and condom use were positively correlated and there was discriminant validity between all three constructs. In addition, the SIIS predicted condom use one-year later in this high-risk population. No significant interactions were detected., Conclusions: The SIIS is predictive of condom use behavior, is psychometrically sound and distinct from behavioral intentions, and can be incorporated into HIV prevention interventions and used as a mediator variable. In addition, it can be used as an outcome measure where a follow-up is not feasible. The SIIS can also be tailored for additional HIV-related behaviors such as HIV-testing, adhering to antiretroviral medication, prescribing and adhering to pre-exposure prophylaxis, and other health behaviors., (Copyright © 2017 Elsevier Ltd. All rights reserved.)

Rationale: Engaging in risky sexual behavior increases transmission of HIV., Objective: The present study used previously elicited salient outcomes of condom use to examine the factor structure and test the predictive utility of a condom use expectancy scale., Methods: Participants were drug offenders from court ordered drug diversion programs in Southern California. The condom use expectancy scale consisted of three factors: positive condom outcome items, negative condom outcome items, and safe sex items., Results: The factor analysis confirmed the three-factor structure. Positive condom use expectancies were a significant predictor of both condom use and intentions to use condoms, and negative condom use expectancies predicted non-use of condoms., Conclusion: Understanding conditions of condom use can aid public health researchers and practitioners to better identify those in need of HIV prevention and how to target those needs., (Copyright © 2015 Elsevier Ltd. All rights reserved.)

Approximately 36% of HIV cases are related to substance abuse. Substance abusers, including non-injection drug users, are at a high-risk for contracting HIV due to risky behaviors, including unprotected sex. Due to these behavioral and infection risks, feasible interventions that focus on condom use within this population are imperative. The current study involved the development of brief intervention designed to increase implementation intentions (situation-linked action plans) to use condoms in convicted non-violent drug offenders participating in drug diversion programs in Southern California. Participants (n = 143) were randomized at the individual level to either waitlist control or experimental conditions. The randomized waitlist control group received the HIV survey for the pre-test before the intervention, while the experimental group received a neutral, non-HIV-related, survey at pre-test. The experimental group received the HIV survey as the post-test after the intervention (waitlist control group received the neutral, non-HIV-related, survey). One-tailed Mann Whitney U tests were used to compare the waitlist control and experimental groups. The experimental group was more likely to report stronger implementation intentions to use condoms (p <0.001). These results indicate in the short term that a brief, easily disseminated HIV intervention can be effective for increasing implementation intentions to use condoms in an extremely high HIV-risk population.