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1.
J Prev Alzheimers Dis ; 10(4): 857-864, 2023.
Article in English | MEDLINE | ID: mdl-37874108

ABSTRACT

BACKGROUND: Web-based participant recruitment registries can be useful tools for accelerating enrollment into studies, but existing Alzheimer's disease (AD)-focused recruitment registries have had limited success enrolling individuals from underrepresented racial and ethnic groups. Designing these registries to meet the needs of individuals from these communities, including designing mobile-first, may facilitate improvement in the enrollment of underrepresented groups. OBJECTIVES: Evaluate the usability of a prototype mobile-first participant recruitment registry for AD prevention studies; assess users' perceptions of and willingness to sign up for the registry. DESIGN AND SETTING: Quantitative usability testing and an online survey; online setting. PARTICIPANTS: We recruited 1,358 adults ages 45-75 who self-reported not having a diagnosis of mild cognitive impairment, AD, or other forms of dementia (Study 1: n=589, Study 2: n=769). Black/African American and Hispanic/Latino participants were specifically recruited, including those with lower health literacy. METHODS AND MEASUREMENTS: Study 1 measures the prototype's usability through observed task success rates, task completion times, and responses to the System Usability Scale. Study 2 uses an online survey to collect data on perceptions of and willingness to sign up for the mobile-first registry. RESULTS: Study 1 findings show the prototype mobile-first recruitment registry website demonstrates high usability and is equally usable for Black / African American, Hispanic/Latino, and White user groups. Survey results from Study 2 indicate that users from underrepresented communities understand the registry's purpose and content and express willingness to sign up for the registry on a mobile device. CONCLUSIONS: Designing mobile-first participant recruitment registries based on feedback from underrepresented communities may result in more sign-ups by individuals from minoritized communities.


Subject(s)
Alzheimer Disease , Black or African American , Registries , Humans , Alzheimer Disease/diagnosis , Alzheimer Disease/epidemiology , Alzheimer Disease/ethnology , Alzheimer Disease/prevention & control , Black or African American/statistics & numerical data , Healthy Volunteers , Registries/statistics & numerical data , Middle Aged , Aged , Internet , Hispanic or Latino/statistics & numerical data , Health Surveys , White/statistics & numerical data
2.
J Prev Alzheimers Dis ; 10(4): 865-874, 2023.
Article in English | MEDLINE | ID: mdl-37874109

ABSTRACT

BACKGROUND: Alzheimer's disease (AD) disproportionately affects Black/African American and Hispanic/Latino adults, yet they are underrepresented in AD studies. Recruitment challenges for these populations limit generalizability of findings. OBJECTIVES: This study explores barriers and facilitators to signing up for an AD participant recruitment registry website intended to optimize recruitment of these adults. The registry is geared toward recruitment on smartphones and tablets (mobile devices), as research suggests that mobile-first approaches may be more successful within these populations. DESIGN: In 2020, we conducted four focus groups (n = 39) and an online survey (n = 1010) with Black/African American and Hispanic/Latino adults. The survey also included Whites as a comparison group. SETTING: Focus groups were in-person at research facilities in New Orleans, Louisiana, and Los Angeles, California. The online survey was distributed by a survey panel company to participants nationwide. PARTICIPANTS: Black/African American (n = 360), Hispanic/Latino (n = 359), or White (n = 330) individuals, 45-75 years old, who self-reported not having mild cognitive impairment (MCI), dementia, or AD. MEASUREMENTS: Barriers and facilitators explored in the focus groups and survey were related to health and AD (e.g., AD-related concerns and past participation/willingness to participate in health or AD studies); current use of mobile devices (e.g., comfort using devices and receptivity to the AD recruitment registry); and participant characteristics and beliefs (e.g., demographics, health literacy level, and trust in government and the scientific community). RESULTS: The focus groups and survey revealed similar findings. Participants commonly use mobile devices to go online and perform health-related activities. They were aware of AD, expressed concerns with developing it, and were willing to participate in AD-related studies (motivated by personal connection to AD, altruism, and compensation). When presented with the AD recruitment registry, most provided positive feedback (e.g., easy to use and informative) and shared an interest in joining. Barriers to joining the registry with a mobile device included complex or multistep enrollment processes, beliefs that studies are primarily for those with a specific disease, and confusion about how studies can prevent AD among those low-risk for AD. The focus groups also revealed that Black/African American participants expressed more hesitation than Hispanic/Latinos in joining the registry due to greater distrust in the government and scientific community. CONCLUSIONS: Recruiting more Black/African American and Hispanic/Latino participants into AD studies is vitally important. This mixed methods study suggests that adults in these underrepresented groups are motivated to prevent AD and willing to sign up for an AD participant recruitment registry using mobile devices. Most barriers to joining a registry can be addressed through slight modifications to the registry's design and functionality and by adding content. These findings can help enhance the appeal of joining AD recruitment registries to ultimately enroll more diverse, representative groups of participants and increase the generalizability of AD study findings.


Subject(s)
Alzheimer Disease , Health Services Accessibility , Healthy Volunteers , Patient Selection , Social Determinants of Health , Aged , Humans , Middle Aged , Alzheimer Disease/ethnology , Alzheimer Disease/prevention & control , Black or African American , Focus Groups , Registries , Social Determinants of Health/ethnology , Hispanic or Latino , Internet/instrumentation , Computers, Handheld , Smartphone , White
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