Linnea Laestadius

ORCID: 0000-0003-3272-9317
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About
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Research Areas
  • Smoking Behavior and Cessation
  • Impact of Technology on Adolescents
  • Agriculture Sustainability and Environmental Impact
  • Digital Mental Health Interventions
  • COVID-19 and Mental Health
  • Food Security and Health in Diverse Populations
  • Media Studies and Communication
  • Identification and Quantification in Food
  • Vaccine Coverage and Hesitancy
  • Behavioral Health and Interventions
  • Misinformation and Its Impacts
  • Consumer Behavior in Brand Consumption and Identification
  • Climate Change Communication and Perception
  • COVID-19 and healthcare impacts
  • Food Waste Reduction and Sustainability
  • Bacillus and Francisella bacterial research
  • Obesity, Physical Activity, Diet
  • Culinary Culture and Tourism
  • Environmental Education and Sustainability
  • Food Safety and Hygiene
  • Long-Term Effects of COVID-19
  • Homelessness and Social Issues
  • Media Influence and Health
  • Social Media in Health Education
  • Child and Adolescent Psychosocial and Emotional Development

University of Wisconsin–Milwaukee
2016-2025

University of Baltimore
2021

Virginia Commonwealth University
2020

Florida International University
2020

The University of Texas at Arlington
2020

University at Albany, State University of New York
2020

Johns Hopkins University
2012-2014

MayaTech (United States)
2009

Exposure to visual posts featuring e-cigarette products on social media is associated with increased use among US adolescents. Instagram the largest source of marketing, where influencers-for example, bloggers, brand ambassadors-post promotional materials. This study analysed network brands and influencers Instagram, characterising most central players in marketing.We tracked public profiles who posted content 2020, had over 1000 followers high user engagement rate (ratio likes comments...

10.1136/tobaccocontrol-2021-057053 article EN cc-by-nc Tobacco Control 2022-02-07

Background: The growth of social networking services has enabled the sharing electronic cigarette opinions and experiences via user-generated content. Objectives: This exploratory study analyzed content found on visual service, Instagram, in order to highlight public health challenges created by this support understanding promotion usage. Methods: A qualitative analysis was performed Instagram posts made with hashtags #ecig or #vape October 2014. Images, text, from 85 (43 #ecig, 42 #vape)...

10.1080/10826084.2016.1188958 article EN Substance Use & Misuse 2016-08-02

Background:The coronavirus disease 2019 (COVID-19) pandemic profoundly affected food systems including security.Understanding how the COVID-19 impacted security is important to provide support and identify long-term impacts needs.Objective: The National Food Access COVID research Team (NFACT) was formed assess over different US study sites throughout pandemic, using common instruments measurements.This presents results from 18 across 15 states nationally first year of pandemic.Methods: A...

10.1093/cdn/nzab135 article EN cc-by-nc-nd Current Developments in Nutrition 2021-10-29

Social chatbot (SC) applications offering social companionship and basic therapy tools have grown in popularity for emotional, social, psychological support. While use appears to offer mental health benefits, few studies unpack the potential harms. Our grounded theory study analyzes experiences with popular SC application Replika. We identified relevant posts made r/Replika Reddit community between 2017 2021 ( n = 582). find evidence of harms, facilitated via emotional dependence on Replika...

10.1177/14614448221142007 article EN New Media & Society 2022-12-22

10.1007/s10806-015-9573-8 article EN Journal of Agricultural and Environmental Ethics 2015-09-04

Public health surveillance experts are leveraging user-generated content on social media to track the spread and effects of COVID-19. However, racial ethnic digital divides, which disparities among people who have internet access post media, can bias inferences. This is particularly problematic in context COVID-19 pandemic because due structural inequalities, members minority groups disproportionately vulnerable contracting virus deleterious economic from mitigation efforts. Further,...

10.2196/20472 article EN cc-by Journal of Medical Internet Research 2020-06-22

The COVID-19 pandemic has sped the adoption of online data collection approaches among qualitative researchers. While videoconferencing software been a tremendous resource for replicating key aspects face-to-face focus group environment, to also face unique challenges. Prior work offered insights on value versus groups and strategies improving experience participants moderators. However, little published needs from low socio-economic status (SES) populations. In light digital divide ways in...

10.1177/16094069211021713 article EN cc-by-nc International Journal of Qualitative Methods 2021-01-01

Background Despite limited scientific evidence, public perceptions of cannabis as health enhancing are significant. As food products, edibles (edibles), may also leverage food-related associations that convey health. Social media is a prominent and influential source largely unregulated information potential place to correct misinformation. Given its shape product appeal benefits risks, understanding the social landscape around priority.

10.1080/10826084.2024.2422987 article EN Substance Use & Misuse 2025-01-19

This study is the first to examine impact of structural racism from historic redlining practices on present-day perceived stress in adolescents. Data come Study Adolescent Adult Neural Development. Adolescents aged 15-17 years (N = 213) completed Perceived Stress Scale (PSS-14). Regression models examined associations between scores, a measure residential security risk, and PSS-14. Structural equation modeling was used indirect effect neighborhood inequities. After adjusting for covariates,...

10.1016/j.jadohealth.2025.01.014 article EN cc-by-nc-nd Journal of Adolescent Health 2025-03-01

Abstract Incorporating youth perspectives into health research can enhance quality, relevance, and ethics while also providing with mentorship, exposure to academic research, professional development opportunities. This has led a growing number of advisory boards (YABs). However, despite increased attention YABs, the mentions YABs remain low in published on health. Furthermore, little work reflected importance engaging color YABs. is critical both because insight they bring process help...

10.2196/69013 article EN cc-by JMIR Public Health and Surveillance 2025-04-10

With the growing popularity of social media, corporate marketers are increasingly launching hashtag campaigns to encourage consumers create branded user-generated content on their behalves. If successful, these may expand reach harmful marketing messages and capitalize peer-effects among adolescents. To shed light novel campaigns, we performed a case study Instagram created in response campaign promoting quick-service restaurant Kentucky Fried Chicken (KFC).We analysis one week's worth posts...

10.1177/2055207617710802 article EN cc-by-nc-nd Digital Health 2017-01-01

Hookah smoking is becoming increasingly popular worldwide, especially among young adults. The growth of social media has also enabled sharing opinions, experiences, and marketing related to hookah via user-generated content.To evaluate the portrayal promotion on Instagram highlight public health challenges created by this content.A qualitative content analysis was performed a sample 301 posts made with hashtags #hookah or #shisha in October 2016.Of coded posts, 279 were relevant hookah....

10.1177/1090198118779131 article EN Health Education & Behavior 2018-06-28

This paper examines the factors shaping non-governmental organization (NGO) messaging decisions on how meat consumption should be altered in light of climate change. In particular, we sought to understand relative absence messages promoting meat-free diets and decision some NGOs pair reduction with encouraging consumers switch from ruminant grass-fed animals. Interviews were conducted 27 staff members environmental, food-focused, animal protection USA, Canada, Sweden. While strategic...

10.1080/17524032.2014.981561 article EN Environmental Communication 2014-12-06

Background The rapid global spread of the coronavirus disease (COVID-19) has compelled national governments to issue guidance on use face masks for members general public. To date, no work assessed how this differs across governments. Objective This study seeks contribute a rational and consistent response infectious by determining guidelines differ nations regions. Methods A content analysis health agency mask websites was performed in late March 2020 among 25 countries regions with large...

10.2196/19501 article EN cc-by JMIR Public Health and Surveillance 2020-05-18
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