Evi Hernandez

Mr. Evi Hernandez

orcid

Research Focus & Metrics

Academic Career Length

2Years (2025-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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10 November 2025 in JMIR Formative Research
Verified
Journal Article
Open access
KLKarla D Llanes
Karla D Llanes
DVDr. Maya Vijayaraghavan
Dr. Maya Vijayaraghavan
SSSara Schneider
Sara Schneider
Pamela M LingPamela M Ling
Pamela M Ling
EHEvi Hernandez
Evi Hernandez
ADArturo Durazo
Arturo Durazo
Background: Although rates of tobacco use in California have declined overall, adults in the San Joaquin Valley (SJV), particularly Hispanic or Latinos (“Latinos”), have disproportionately high rates of tobacco use, tobacco-related illness, and mortality. Residents of the SJV also have limited access to cessation support services and need accessible, nonclinical alternatives. Given high smartphone use rates among Latinos and residents of rural communities, digital health tools may present an accessible approach to expand cessation support. Objective: This study explored tobacco use behaviors, cessation experiences, and views about digital cessation tools for tobacco cessation among SJV residents. The secondary objective was to assess the appeal, usability, and necessary adaptations of 2 existing digital smoking cessation tools—a smoking cessation app and a social media–based cessation intervention. Methods: Through an SJV-based academic-community partnership, we recruited 29 predominantly Latino adults who reported current smoking. We conducted 4 focus group discussions to explore tobacco use and cessation experiences and preferences for smoking cessation tools: 1 in-person in English, 1 online in English, and 2 online in Spanish. Subsequently, 9 participants from the focus group discussions completed individual, in-depth interviews where they viewed videos describing 2 digital smoking cessation tools—a cessation app and a social media cessation intervention—to assess their appeal and usability. Focus groups and interviews were recorded, transcribed, and analyzed to identify themes. Results: Overall, 82.1% (23/28) had made a quit attempt in the past year, and most intended to quit smoking in the next 6 months, with 11.1% (3/27) never expecting to quit. Most participants were motivated to quit despite experiencing barriers, and they emphasized the need for culturally tailored digital cessation tools to help overcome the barriers to quitting smoking. They preferred interventions that integrated culturally relevant content reflecting lived experiences, featured language-concordant communications, and provided social supports, such as chat rooms for peer connection. Participants reported polyuse of tobacco with other substances, including cannabis, which may need to be addressed when delivering smoking cessation interventions. While participants appreciated the app’s private interface and comprehensive curriculum, they preferred the social media–based program for its engaging design, despite privacy concerns. Preferences for specific interventions varied by age and digital literacy. Participants also expressed preference for material rewards to incentivize the use of digital health tools to quit smoking. Conclusions: This sample of predominantly Latino adults from the SJV expressed favorable interest in digital cessation support, yet existing tools require adaptation to improve cultural relevance, accessibility, usability, and privacy concerns. Participants emphasized language-concordant services, representation from people with lived experience, and community-building features. While digital interventions were well received, privacy concerns and digital literacy barriers must be addressed to enhance engagement.

22 March 2026 in Behavioral Sciences
Verified
Journal Article
Open access
PDF file
RMRoland S. Moore
Roland S. Moore
Carol CunradiCarol Cunradi
Carol Cunradi
KMKatie Moose
Katie Moose
EMElizabeth Meza
Elizabeth Meza
EHEvi Hernandez
Evi Hernandez
RCRaul Caetano
Raul Caetano
This study describes participants’ views and insights into crafting effective communication aimed at smokeless tobacco and nicotine pouch prevention among fire academy trainees and new recruits. Firefighters have elevated rates of smokeless tobacco use compared with the general population. Nicotine pouches have also gained popularity among this occupational group. We launched a pilot project centered in rural Northern California counties to uncover factors that can be used to communicate smokeless tobacco and nicotine pouch prevention messages within the firefighter workplace. As a first step, we conducted semi-structured interviews with firefighter subject matter experts, including fire chiefs, fire academy instructors, wildlands firefighters, and recent fire academy graduates. This purposive sample (n = 13) was obtained through referrals from the project’s Community Advisory Board, composed of fire service professionals. Interviews were audio recorded and transcribed. Next, the qualitative interviews were thematically analyzed. The results focus on two aspects of effective workplace communication in the service to delivery of smokeless tobacco and nicotine pouch prevention messages: content (core information conveyed in a message), and format (how the message is transmitted or displayed). Examples of the former are the importance of keeping oneself healthy so that one can do one’s job; do not risk a future compensation claim due to smokeless tobacco or nicotine pouch use. Examples of the latter are the use of brevity; humor. Because firefighters often initiate use of these products after they join the fire service, communicating prevention messages in the workplace during the firefighter training and recruitment stage may help disrupt the uptake of nicotine products.