Publications by authors named "Gangnon R"

Objectives: Older adults' (ages ≥65) inappropriate over-the-counter medications (OTC) use is prevalent, comprising Drug-Age, Drug-Drug, Drug-Disease, and Drug-Label types. Given that pharmacies sell many OTCs, structurally redesigning pharmacy aisles for improving patient safety (Senior Safe) was conceived to mitigate older adult OTC misuse, using Stop Signs and Behind-the-Counter Signs for high-risk OTCs. This study determined whether Senior Safe reduced high-risk OTCs misuse, while secondarily evaluating misuse changes for all OTCs.

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  • The study evaluated the feasibility and satisfaction of an online physical activity program for children aged 8-11, comparing an exercise group to a wait-list control group.
  • Recruitment, retention, and adherence rates met or exceeded initial targets, with 93.9% of participants completing post-test surveys.
  • Although children initially enjoyed the program, their interest waned over time, suggesting the need for increased novelty and social interaction in future interventions.
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Introduction: Lifestyle factors have been studied for dementia risk, but few have comprehensively assessed both Alzheimer's disease (AD) and cerebrovascular disease (CBVD) pathologies. Our research aims to determine the relationships between lifestyle and various dementia pathologies, challenging conventional research paradigms.

Methods: Analyzing 1231 Wisconsin Registry for Alzheimer's Prevention (WRAP) study participants, we focused on Life Simple Seven (LS7) score calculations from questionnaire data and clinical vitals.

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Context: Population health rankings can be a catalyst for the improvement of health by drawing attention to areas in need of relative improvement and summarizing complex information in a manner understood by almost everyone. However, ranks also have unintended consequences, such as being interpreted as "hard truths," where variations may not be significant. There is a need to improve communication about uncertainty in ranks, with accurate interpretation.

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  • * The analysis used data from over 5,100 drivers and found that each additional close friend increased their chance of getting rides by 20%.
  • * Also, those living in more walkable areas were more likely to walk and use public transit, highlighting the role of social and environmental factors in supporting older adults' transportation needs.
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  • The study aimed to analyze the outcomes of different mammography screening strategies for breast cancer, focusing on various start and stop ages as well as screening intervals.
  • Using six cancer modeling models, the research found that biennial digital breast tomosynthesis (DBT) screening starting at ages 40, 45, or 50 significantly reduced breast cancer deaths, with the most effective strategy a 30% reduction in mortality for those screened from age 40 to 74.
  • While annual screening offered higher benefits, it also led to increased false-positive recalls and overdiagnosis, showing a critical need to balance benefits against potential harms in screening recommendations.
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Objectives: To characterize the effect of the actual and potential ability to get rides from others on older adults' driving reduction at 3-year follow-up in the United States.

Methods: We analyzed National Health and Aging Trends Study data from community-dwelling drivers in 2015 (unweighted n = 5,102). We used weighted logistic regression models to estimate whether getting rides from others in 2015 was associated with older adults increasing the number of driving behaviors they avoided, decreasing the frequency with which they drove, or not driving at 3-year follow-up after adjusting for biopsychosocial variables.

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Purpose: To identify cognitive, behavioral, environmental, and other factors that influence physical activity in adults with advanced cancer using qualitative, semi-structured interviews.

Methods: Eighteen semi-structured interviews were conducted with adults living with stage IV breast, prostate, or colorectal cancer; or multiple myeloma recruited from the University of Wisconsin Carbone Cancer Center. We used the Social Cognitive Theory to design the interview guide and a reflexive thematic approach for analysis.

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Background: The atopic march refers to the coexpression and progression of atopic diseases in childhood, often beginning with atopic dermatitis (AD), although children may not progress through each atopic disease.

Objective: We hypothesized that future atopic disease expression is modified by AD phenotype and that these differences result from underlying dysregulation of cytokine signaling.

Methods: Children (n = 285) were enrolled into the Childhood Origins of Asthma (COAST) birth cohort and followed prospectively.

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Intellectual disability (ID) commonly co-occurs in children with autism. Although diagnostic criteria for ID require impairments in both cognitive and adaptive functioning, most population-based estimates of the frequency of co-occurring ID in children with autism-including studies of racial and ethnic disparities in co-occurring autism and ID-base the definition of ID solely on cognitive scores. The goal of this analysis was to examine the effect of including both cognitive and adaptive behavior criteria on estimates of co-occurring ID in a well-characterized sample of 2- to 5-year-old children with autism.

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Background: Farm exposures in early life reduce the risks for childhood allergic diseases and asthma. There is less information about how farm exposures relate to respiratory illnesses and mucosal immune development.

Objective: We hypothesized that children raised in farm environments have a lower incidence of respiratory illnesses over the first 2 years of life than nonfarm children.

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Purpose: Alcohol consumption increases health risks for patients with cancer. The Covid-19 pandemic may have affected drinking habits for these individuals. We surveyed patients with cancer to examine whether changes in drinking habits were related to mental health or financial effects of the pandemic.

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  • Black women in the U.S. have higher breast cancer death rates compared to the overall population, even though they have a lower chance of getting breast cancer.* -
  • Researchers used different models to figure out why Black women have higher breast cancer death rates, looking at factors like access to treatment, the type of cancer, and how well treatments work.* -
  • The study shows that improving access to treatment could help reduce these death rate differences, and future research will explore how different policy changes can make things better.*
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Rhinoviruses (RVs) can cause severe wheezing illnesses in young children and patients with asthma. Vaccine development has been hampered by the multitude of RV types with little information about cross-neutralization. We previously showed that neutralizing antibody (nAb) responses to RV-C are detected twofold to threefold more often than those to RV-A throughout childhood.

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Autistic people are often described as "low-" or "high-functioning" based on their scores on cognitive tests. These terms are common in publications and in everyday communication. However, recent research and feedback from the autistic community suggests that relying on cognitive ability alone to describe functioning may miss meaningful differences in the abilities of autistic children and adults and in the kinds of support they may need.

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Background: Urban racial arrest disparities are well known. Emerging evidence suggests that rural policing shares similar patterns as urban policing in the USA, but without receiving the same public scrutiny, raising the risk of biased rural policing going unnoticed.

Methods: We estimated adult and adolescent arrest rates and rate ratios (RR) by race, rural-urban status, and US region based on 2016 Uniform Crime Reporting Program arrest and US Census population counts using general estimating equation Poisson regression models with a 4-way interaction between race, region, age group, and urbanicity.

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Despite the known benefits of moderate-to-vigorous physical activity (MVPA) for breast and endometrial cancer survivors, most are insufficiently active, interventions response is heterogeneous, and MVPA programming integration into cancer care is limited. A stepped care approach, in which the least resource-intensive intervention is delivered first and additional components are added based on individual response, is one strategy to enhance uptake of physical activity programming. However, the most effective intervention augmentation strategies are unknown.

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Introduction: Rural patients with diabetic foot ulcers, especially those identifying as black, face increased risk of major amputation. Specialty care can reduce this risk. However, care disparities might beget outcome disparities.

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Background: Diabetes mellitus has been associated with increased breast cancer (BC) risk; however, the magnitude of this effect is uncertain. This study focused on BC risk for women with type 2 diabetes mellitus (T2DM).

Methods: Two separate meta-analyses were conducted (1) to estimate the relative risk (RR) of BC for women with T2DM and (2) to evaluate the risk of BC for women with T2DM associated with the use of metformin, a common diabetes treatment.

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To assess the rate of COVID-19 among in-person K-12 educators and the rate's association with various COVID-19 prevention policies in school districts. We linked actively working, in-person K-12 educators in Wisconsin to COVID-19 cases with onset from September 2 to November 24, 2021. A mixed-effects Cox proportional hazards model, adjusted for pertinent person- and community-level confounders, compared the hazard rate of COVID-19 among educators working in districts with and without specific COVID-19 prevention policies.

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  • The gut microbiome significantly influences human health, and this study explored its relationship with physical activity in a large group of 720 Wisconsin residents aged 18 to 94.
  • Findings showed that more time spent on active transportation led to greater gut microbiome diversity, particularly in two specific richness measures (Chao1 and Shannon's diversity).
  • The study also identified that physical activity impacts the abundance of certain bacteria, with active transportation correlating with increases in beneficial bacteria like Phascolarctobacterium and decreases in less favorable ones like Clostridium and Clostridiaceae.
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Gulf War Illness (GWI) affects 25-35% of the 1991 Gulf War Veteran (GWV) population. Patients with GWI experience pain, fatigue, cognitive impairments, gastrointestinal dysfunction, skin disorders, and respiratory issues. In longitudinal studies, many patients with GWI have shown little to no improvement in symptoms since diagnosis.

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  • White individuals in the US have historically had easier access to firearms, contributing to higher incidences of mass shootings among this demographic.
  • A study analyzing mass public shootings since Columbine found that non-Hispanic White shooters had a higher median number of fatalities and total victims compared to non-Hispanic Black shooters.
  • The research highlights the importance of creating a comprehensive database of all US gun violence incidents to better understand the broader impact on survivors and the consequences of firearm accessibility.
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