Localized mHealth Approach to Boosting COVID-19 Testing and Vaccine Literacy, Access, and Uptake Among Women With Criminal Legal System Involvement (COVID-19)

  • End date
    Nov 25, 2023
  • participants needed
  • sponsor
    University of Kansas Medical Center
Updated on 25 October 2022
Accepts healthy volunteers


The objective of this research is to use a localized mHealth intervention to boost COVID-19 testing and vaccine literacy, access, and uptake among women with CLSI


Based on our prior work with CLSI women, mHealth strategies are an excellent way to keep in touch and push just-in-time content. During the pandemic, we were forced to close field sites and stop any in-person follow-up visits. Even prior to the pandemic, telephone follow-up surveys were conducted with 60% of participants. Post-pandemic, we conducted 95% of those surveys over the phone, with the remaining over email or mail correspondence. Most participants use text messaging regularly and can access the Web on their phones. Our ongoing RCT (N=73 participants completed) of an mHealth intervention on women's health shows this modality is feasible for delivering information and engaging participants. Specifically, we found that 81% of women who initiate can complete the intervention. The average time for completion of one module, for example on sexually transmitted infections, took 19 minutes, whereas cervical cancer took 13 minutes to complete. We estimate the proposed module on COVID-19 testing and vaccine will take on average between 15 to 20 minutes to complete. This time for intervention completion, combined with text message information about any new COVID-19 mitigation news (e.g., boosters, vaccine for children, new testing recommendations, testing locations, etc.), should result in about 30-60 minutes of total formal engagement during the study.

What we propose will be brief, but targeted messaging intervention from verified sources, delivered in an adequate lay language and using spokespersons that are relatable and familiar, and can be trusted, has been proven effective in changing targeted behaviors.32,33 Our intervention design also draws on lessons learned from evidence-based interventions to improve vaccination uptake among adults, for example a meta-analysis conducted in 2021 on public response to health messages encouraging vaccination.34 Our mHealth intervention allows participants to attend to the information at their own pace, while ensuring that they are prompted to complete the module. To avoid unidirectionality and promote engagement, they will be able to use an asynchronous messaging component to ask questions and receive answers from the research team. There is no question that such an intervention is necessary for a population with likely low uptake of both testing and vaccination, especially when that population is not the explicit target of most public health messaging. To the critique of whether the intervention is sufficient, we don't know. We hypothesize that the intervention will be effective at boosting COVID-19 testing and vaccine literacy, access, and uptake, and the goal of this study is to test that hypothesis. One advantage of this approach is the ability for nimbleness, that is, being able to adapt in real-time to new information about the pandemic and being able to push that new information out to women using the proposed intervention platform. Another unique advantage is the scalability of such an intervention, and its ability to be made widely available to all CLSI women in the United States

Condition COVID-19 Pandemic
Treatment Tri-City COVID Attitudes Study
Clinical Study IdentifierNCT05582746
SponsorUniversity of Kansas Medical Center
Last Modified on25 October 2022


Yes No Not Sure

Inclusion Criteria

currently enrolled in the Tri-City C.R.E.W. study (R01CA226838)

Exclusion Criteria

Unable to provide informed consent
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