Table 1.

BHR enrollment effort methods

Effort	Enrollment effort period	Enrollment effort population focus*	Enrollment effort source	Enrollment effort funding and finances
Standard (nonculturally-tailored) BHR enrollment efforts	BHR inception in 2014 - Sept 16th 2021	Any adults (18+ years old)	Paid (e.g., digital media, direct mail, traditional) Owned (e.g., BHR website, emails, BHR online networks, BHR press releases) Earned (e.g., news publicity, influencers, word-of mouth) Refer to paper	The BHR is funded by grants and donations. Both were used to pay for the development of BHR and any BHR enrollment effort-related contents and efforts.
Culturally-tailored enrollment efforts (CAL-BHR)	Aug 26th 2020 - Sept 16th 2021	Latinos age 55+ living in California	Paid digital media:  - Facebook  - YouTube  - Google  - Bing Owned (e.g., culturally-tailored landing pages, simplified BHR enrollment process, revised/culturally-tailored BHR reminder emails)	Funded by the California Department of Public Health Alzheimer’s Disease Program funding from the 2019 California Budget Act [RFA19–10616]. This grant supported a marketing company to develop the content (ads, landing pages) and payment to digital advertisement platforms. It also provided payment to CSPB members for participating in CSPB meetings.

Note.

^*This was the focus of the enrollment effort and not an eligibility criterion. The only BHR eligibility criterion is being 18+ years old. Limiting the focus to CA was a requirement of the grant.