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Anti-Stigma Interventions to Encourage HIV Testing in Vulnerable Households in Mozambique
Last registered on April 22, 2019

Pre-Trial

Trial Information
General Information
Title
Anti-Stigma Interventions to Encourage HIV Testing in Vulnerable Households in Mozambique
RCT ID
AEARCTR-0004120
Initial registration date
April 21, 2019
Last updated
April 22, 2019 11:20 AM EDT
Location(s)

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Primary Investigator
Affiliation
University of Michigan, Ann Arbor
Other Primary Investigator(s)
Additional Trial Information
Status
In development
Start date
2019-05-06
End date
2019-10-31
Secondary IDs
Abstract
This study aims to test whether providing information that intends to relieve individuals concerns about HIV-related social stigma improves HIV testing rates in vulnerable households in Mozambique. Based on a local social opinion survey before this study, the treatment group will receive individually-tailored information indicating supportive social opinions about HIV in their neighborhood. The primary outcome of interest is the usage of HIV-testing coupons, which will be distributed to all study participants and redeemable upon taking an HIV test in the local clinic.
External Link(s)
Registration Citation
Citation
Yu, Hang. 2019. "Anti-Stigma Interventions to Encourage HIV Testing in Vulnerable Households in Mozambique." AEA RCT Registry. April 22. https://doi.org/10.1257/rct.4120-1.0.
Former Citation
Yu, Hang. 2019. "Anti-Stigma Interventions to Encourage HIV Testing in Vulnerable Households in Mozambique." AEA RCT Registry. April 22. https://www.socialscienceregistry.org/trials/4120/history/45323.
Experimental Details
Interventions
Intervention(s)
Before this study, a social opinion survey was conducted in the study communities to collect local residents' attitudes about HIV. The survey suggests that the public usually holds very supportive views towards people living with HIV and that the HIV-related stigma is less than many people had believed. Participants in this study will be asked to guess the results of the social opinion survey, and those in the treatment group will be informed of the results after that if they overestimate the HIV-related stigma in their neighborhood.
Intervention Start Date
2019-05-06
Intervention End Date
2019-07-31
Primary Outcomes
Primary Outcomes (end points)
The indicator of HIV-testing coupon redemption within 14 days, individual level
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
The indicator of HIV-testing coupon redemption within 14 days, household level; Willingness-to-Accept (WTA) for an HIV-testing coupon
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
The potential participating households will be assigned to different study groups (treatment and control) randomly by computer before being recruited. The group assignment will be blind to enumerators. A household's group status will only be revealed at the end of the household survey. Only individuals from a treatment household will receive the intervention. All eligible individuals will receive HIV-testing coupons for themselves and for their children, regardless of which study group they are in. Instructions on how to redeem a coupon will be given at the end of the household visit.

Each coupon will be linked to an individual by a unique barcode printed on it. The study team will redeem the coupons at the collaborating clinics during a 14-day window and scan the coupons redeemed to determine usage.
Experimental Design Details
Not available
Randomization Method
Randomization done in office by a computer
Randomization Unit
household
Was the treatment clustered?
Yes
Experiment Characteristics
Sample size: planned number of clusters
1500 households
Sample size: planned number of observations
3000 individual adults
Sample size (or number of clusters) by treatment arms
750 households control; 750 households treatment
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
University of Michigan Health Sciences and Behavioral Sciences Institutional Review Board
IRB Approval Date
2018-12-20
IRB Approval Number
HUM00113011
Analysis Plan

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