Nigel Walsh Harriman

ORCID: 0000-0003-2545-0174
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About
Contact & Profiles
Research Areas
  • Vaccine Coverage and Hesitancy
  • Misinformation and Its Impacts
  • SARS-CoV-2 and COVID-19 Research
  • Social Media and Politics
  • Disaster Management and Resilience
  • Child Development and Digital Technology
  • Health disparities and outcomes
  • Impact of Technology on Adolescents
  • Hate Speech and Cyberbullying Detection
  • Health, psychology, and well-being
  • COVID-19 and Mental Health
  • Global Public Health Policies and Epidemiology
  • Disaster Response and Management
  • Bullying, Victimization, and Aggression
  • Social and Intergroup Psychology
  • Psychological Well-being and Life Satisfaction
  • Long-Term Effects of COVID-19
  • Risk Perception and Management
  • Racial and Ethnic Identity Research
  • Intensive Care Unit Cognitive Disorders
  • Viral Infections and Outbreaks Research
  • Sleep and related disorders
  • Community Health and Development
  • Telomeres, Telomerase, and Senescence
  • Media Influence and Politics

Harvard University
2019-2024

Harvard University Press
2023

University of Bologna
2018

In South Africa, there are a limited number of population estimates the prevalence diabetes and its association with psychosocial factors. This study investigates correlates in both general African Black subpopulation using data from SANHANES-1. Diabetes was defined as hemoglobin A1c (HbA1c) ≥6.5% or currently on treatment. Multivariate ordinary least squares logistic regression models were used to determine factors associated HbA1c diabetes, respectively. The significantly higher among...

10.3390/ijerph20105798 article EN International Journal of Environmental Research and Public Health 2023-05-12

Today’s youth have extensive access to the internet and frequently engage in social networking activities using various media platforms devices. This is a phenomenon that hate groups are exploiting when disseminating their propaganda. study seeks better understand exposure hateful material online space by exploring predictors of such including demographic characteristics (age, gender, race), academic performance, behaviors, disinhibition, risk perception, parents/guardians’ supervision...

10.3390/ijerph17228531 article EN International Journal of Environmental Research and Public Health 2020-11-17

The COVID-19 pandemic has highlighted the adverse consequences created by an infodemic, specifically bringing attention to compliance with public health guidance and vaccine uptake. hesitancy is a complex construct that related beliefs, misinformation exposure, perceptions of governmental institutions. This study draws on theoretical models current data infodemic explore association between perceived risk COVID-19, level endorsement, opinions about government response We surveyed sample 2697...

10.3390/vaccines10050671 article EN cc-by Vaccines 2022-04-23

Despite the effectiveness of COVID-19 vaccine, global vaccination distribution efforts have thus far had varying levels success. Vaccine hesitancy remains a threat to vaccine uptake. This study has four objectives: (1) describe and compare proportions by country; (2) categorize vaccine-related concerns; (3) rank (4) concerns country status in countries—the United States, Canada, Sweden, Italy. Using Pollfish survey platform, we sampled 1000 respondents Italy 750 States between 21–28 May...

10.3390/vaccines9101138 article EN cc-by Vaccines 2021-10-06

In the last decade, readily available electronic devices have created unprecedented opportunities for teens to access a wide variety of information and media–both positive negative–on internet. Despite increasing number initiatives taking place worldwide intended assess mitigate online risks encountered by children adolescents, there is still need better understanding how adolescents use internet their susceptibility exposure in space. We conducted cross-sectional survey convenience sample...

10.3390/ijerph18115786 article EN International Journal of Environmental Research and Public Health 2021-05-27

Hypertension is the leading cardiovascular disease in Africa. It increasing prevalence due partly to epidemiological transition that African countries, including South Africa, are undergoing. This characterised by a nutrition andurbanisation; resulting behavioural, environmental and stress changes subject racial geographic divides. The National Health Nutrition Examination Survey (SANHANES) examined association of traditional risk factors; less factors such as race, geographical location,...

10.1016/j.ssmph.2021.100986 article EN cc-by-nc-nd SSM - Population Health 2021-12-01

The COVID-19 pandemic has highlighted the adverse consequences created by an infodemic specifically on compliance with public health guidance and vaccine uptake. hesitancy is a complex construct that related to beliefs, misinformation exposure, perceptions of governmental institutions. This study draws theoretical models current data explore association between perceived risk COVID-19, levels endorsement, opinions about government response We surveyed sample 2,697 respondents from US,...

10.20944/preprints202203.0283.v1 preprint EN 2022-03-21

The COVID-19 pandemic has resulted in over 5.2 million deaths. Vaccine hesitancy remains a public health challenge, especially Eastern Europe. Our study used sample of essential workers living the Republic North Macedonia to: (1) Describe rates vaccine and risk perception COVID-19; (2) Explore predictors hesitancy; (3) informational needs hesitant non-hesitant workers. A phone survey was administered from 4−16 May 2021. Logistic regression explored associations with sociodemographic...

10.3390/vaccines10030348 article EN cc-by Vaccines 2022-02-23

Abstract Telomere length (TL) may be a biomarker of aging processes as well age-related diseases. However, most studies TL and are conducted in high-income countries. Less is known low- middle-income countries (LMICs) such South Africa, where life expectancy remains lower despite population aging. We descriptive analysis cohort older adults rural Africa. was assayed from venous blood draws using quantitative polymerase chain reaction (T/S ratio). examined the correlation between biomarkers,...

10.1093/gerona/glad153 article EN The Journals of Gerontology Series A 2023-06-23

Abstract Despite the effectiveness of COVID-19 vaccine, global vaccination distribution efforts have thus far had varying levels success. Vaccine hesitancy remains a threat to vaccine uptake. This study has four objectives: 1) describe and compare proportions by country; 2) categorize vaccine-related concerns; 3) rank 4) concerns country status in countries- United States, Canada, Sweden, Italy. Using Pollfish survey platform, we sampled 1000 respondents Italy 750 States between May 21-28,...

10.1101/2021.09.09.21263328 preprint EN cc-by-nc-nd medRxiv (Cold Spring Harbor Laboratory) 2021-09-10

Both traditional and social media information sources have disseminated on the COVID-19 pandemic. The content shared may influence public opinion different mitigation strategies, including vaccination. Misinformation can alter risk perception increase vaccine hesitancy. This study aimed to explore impact of using as primary source about hesitancy among people living in Canada. Secondary objectives identified other predictors distinguished effects sources. We used quota sampling adults Canada...

10.3390/vaccines10122096 article EN cc-by Vaccines 2022-12-07

Objectives This study investigates the association between cohort derived dementia and serologically confirmed SARS-CoV-2 infection, an underexplored phenomena in low-and middle-income countries. Examining this relationship a rural South African community setting offers insights applicable to broader healthcare contexts. Methods Data were collected from Black Africans Mpumalanga province who participated Health Aging Africa: A Longitudinal Study of INDEPTH Community Africa. Cohort was...

10.3389/fpubh.2023.1304572 article EN cc-by Frontiers in Public Health 2024-01-05

Today’s youth have almost universal access to the internet and frequently engage in social networking activities using various media platforms devices. This is a phenomenon that hate groups are exploiting when disseminating their propaganda. study seeks better understand exposure hateful material online space by exploring predictors of such including demographic characteristics (age, gender race), academic performance, behaviours, disinhibition, risk perception,...

10.20944/preprints202010.0342.v1 preprint EN 2020-10-16

South Africa is experiencing a rapidly growing diabetes epidemic that threatens its healthcare system. Research on the determinants of in receives considerable attention due to lifestyle changes accompanying Africa’s rapid urbanization since fall Apartheid. However, few studies have investigated how segments Black African population, who continue endure Apartheid’s institutional discriminatory legacy, experience this transition. This paper explores association between individual and...

10.1371/journal.pone.0293250 article EN cc-by PLoS ONE 2023-12-11

The coronavirus disease 2019 (COVID-19) pandemic has had a significant impact on individuals' mental health. This study aimed to investigate how negative emotions toward the COVID-19 pandemic, including feeling anxious, depressed, upset, and stressed, were associated with vaccine acceptance in Sweden. is cross-sectional online survey conducted between 21-28 May 2021, using three nested hierarchical logistic regression models assess association. included 965 unvaccinated individuals, 51.2% (n...

10.3390/vaccines10101695 article EN cc-by Vaccines 2022-10-11

Abstract Objective: Public health and emergency management agencies play a critical role in addressing the needs of vulnerable populations preparation for response to emergencies. Identifying leveraging community assets is way address such needs. This study focuses on development process tools engage leaders sharing their knowledge about characteristics useful planning. Methods: We conducted interviews with across five sites goal understanding what type local are able share regard...

10.1017/dmp.2021.103 article EN Disaster Medicine and Public Health Preparedness 2021-05-21

In the last decade, readily available electronic devices have created unprecedented opportunities for teens to access a wide variety of information and media-both positive negative-on internet. Despite increasing number initiatives taking place worldwide intended assess mitigate online risks encountered by children adolescents, there is still need better understanding how adolescents use internet their susceptibility exposure in space. We conducted cross-sectional survey convenience sample...

10.21428/cb6ab371.8482f257 preprint EN cc-by CrimRxiv 2021-05-27

In the last decade, readily available electronic devices have created unprecedented opportunities for teens to access a wide variety of information and media – both positive negative on internet. Despite increasing number initiatives taking place worldwide intended assess mitigate online risks encountered by children adolescents, there is still need better understanding how adolescents use internet what consequences they may face. We conducted cross sectional survey convenience...

10.20944/preprints202103.0498.v1 preprint EN 2021-03-19

Abstract Objectives The current study investigates how physical distancing during the coronavirus disease 2019 (COVID-19) pandemic was associated with increased anxiety among a cohort of midlife older Black South African adults and extent to which household size virtual social contact modify this association for men women. Methods We analyze data from phone survey conducted July 2021 March 2022 as part Health Aging in Africa: A Longitudinal Study an INDEPTH Community Africa (n = 2,080)....

10.1093/geronb/gbad175 article EN The Journals of Gerontology Series B 2023-12-20

Abstract Introduction Public health and emergency management agencies play a critical role in addressing the needs of vulnerable populations preparation for response to emergencies. Identifying leveraging community assets is way address such needs. Local knowledge about valuable untapped resource that can be leveraged disaster recovery efforts. This study focuses on development process tools engage leaders sharing their characteristics useful planning. Methods We conducted interviews with...

10.1101/2020.06.16.20129635 preprint EN medRxiv (Cold Spring Harbor Laboratory) 2020-06-19
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