Lea Ellwardt

ORCID: 0000-0001-9292-2392
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About
Contact & Profiles
Research Areas
  • Health disparities and outcomes
  • Employment and Welfare Studies
  • Evolutionary Game Theory and Cooperation
  • Intergenerational Family Dynamics and Caregiving
  • Aging and Gerontology Research
  • Retirement, Disability, and Employment
  • Mental Health Research Topics
  • Migration, Aging, and Tourism Studies
  • Psychological Well-being and Life Satisfaction
  • Social Capital and Networks
  • Complex Network Analysis Techniques
  • Health and Well-being Studies
  • Opinion Dynamics and Social Influence
  • Mathematical and Theoretical Epidemiology and Ecology Models
  • Plant and animal studies
  • COVID-19 and Mental Health
  • Experimental Behavioral Economics Studies
  • Evolutionary Psychology and Human Behavior
  • Urban, Neighborhood, and Segregation Studies
  • Social Policy and Reform Studies
  • Income, Poverty, and Inequality
  • Work-Family Balance Challenges
  • Physical Activity and Health
  • Labor market dynamics and wage inequality
  • Game Theory and Applications

University of Cologne
2015-2024

LVR-Klinik Köln
2019

Social Neuroscience Lab
2018

University Medical Center of the Johannes Gutenberg University Mainz
2018

Johannes Gutenberg University Mainz
2018

Cologne Business School
2015-2016

Interuniversity Center for Social Science Theory and Methodology
2013-2014

University of Groningen
2011-2014

University Medical Center Groningen
2014

Universität Hamburg
2014

Background Research on aging has consistently demonstrated an increased chance of survival for older adults who are integrated into rich networks social relationships. Theoretical explanations state that personal offer indirect psychosocial and direct physiological pathways. We investigate whether effects pathways to mortality risk differ between functional structural characteristics the network. The objective is inquire which network best predictors after adjustment mental, cognitive...

10.1371/journal.pone.0116731 article EN cc-by PLoS ONE 2015-03-03

The COVID-19 pandemic and the mitigation measures by governments have upended economic social lives of many, leading to widespread psychological distress. We explore heterogeneity in trajectories distress during United Kingdom relate this socio-demographic health factors. analyze nine waves longitudinal, nationally representative survey data from UK Household Longitudinal Study ([Formula: see text]), covering period early 2020 mid-2021. First, latent class mixture modelling is used identify...

10.1038/s41598-021-95490-w article EN cc-by Scientific Reports 2021-08-05

This study developed and tested a relational theory of positive negative gossip about managers. It is argued that spreading information managers depends on trust in organizations, more specifically the employees’ generalized interpersonal colleagues. Hypotheses were by conducting two studies medium-sized Dutch child care organization, namely, an employee survey ( N = 132) network at sites 58). Multiple regressions cross-sectional social analysis (exponential random graph modeling [ERGM])...

10.1177/1059601112450607 article EN Group & Organization Management 2012-06-28

<h3>Objective</h3> To determine the factors that influence B-cell repopulation after depletion therapy in neurologic patients and derive recommendations for monitoring dosing of patients. <h3>Methods</h3> In this study, we determined association body surface area (BSA; calculated by weight height with Dubois formula), sex, pretreatment therapy, age, CSF data, white blood cell counts risk timing repopulation, defined as 1% CD19<sup>+</sup> cells (of total lymphocytes), following 87 B...

10.1212/nxi.0000000000000463 article EN cc-by-nc-nd Neurology Neuroimmunology & Neuroinflammation 2018-04-25

While the concept of transnationalism has gained widespread popularity among scholars as a way to describe immigrants' long-term maintenance cross-border ties, few studies have empirically addressed how social networks that connect migrants each other and nonmigrants in communities origin are also associated with migrants' well-being. We examined extent which support Polish Netherlands serve precursors loneliness. Using information on confidant (The Families Poles Netherlands, N = 1131)...

10.1080/1369183x.2019.1597691 article EN cc-by-nc-nd Journal of Ethnic and Migration Studies 2019-04-05

Journal Article Social Contacts of Older People in 27 European Countries: The Role Welfare Spending and Economic Inequality Get access Lea Ellwardt, Ellwardt 11Department Sociology Interuniversity Center for Science Theory Methodology (ICS), University Groningen, Netherlands; 2Institute Sociology, Hamburg, Germany; 3Department Health Psychology, Medical Netherlands. **Corresponding author. Email: l.ellwardt@rug.nl Search other works by this author on: Oxford Academic Google Scholar Sascha...

10.1093/esr/jcu046 article EN European Sociological Review 2014-03-26

Integration into social networks is an important determinant of health and survival in late adulthood. We first identify different types non-kin among older adults second, investigate the association these with rates.Official register information on mortality combined data from Longitudinal Aging Study Amsterdam (LASA). The sample includes 2,440 Dutch respondents aged 54-85 at baseline 1992 six follow-ups covering a time span 20 years. Using latent class analysis, are classified distinct...

10.1093/geronb/gbw142 article EN The Journals of Gerontology Series B 2016-10-11

Previous studies are inconclusive on whether poor socioeconomic conditions in the neighborhood associated with major depressive disorder. Furthermore, conceptual models that relate to disorder have not been evaluated using empirical data. In this study, we investigated income is episodes. We three models. Conceptual model 1: The association between and episodes explained by diseases, lifestyle factors, stress social participation. 2: A low individual relative mean 3: high of buffers effect a...

10.1186/s12889-016-3332-2 article EN cc-by BMC Public Health 2016-08-11

Abstract Objectives Integration into social networks reduces stress during adverse life events and improves coping with disability in late life. The aim was to investigate whether network closure (frequent contact among ties) balance (positive are associated perceived stress. We expect lowest for older adults highly closed balanced networks. Method Panel data on self-reported egocentric stem from the population-based Chicago Health, Aging, Social Relations Study. Five waves were collected...

10.1093/geronb/gbz035 article EN The Journals of Gerontology Series B 2019-03-18

Earlier employment choices based on family events in earlier life have an impact up until late working life, especially welfare regimes that encourage the breadwinner-caretaker division. We investigate types of patterns and how these are associated with events. also test whether association between early history varies across five regimes. Using retrospective data from SHARELIFE, our sample consists 10,913 women 10,614 men aged 65 years older. Late trajectories analyzed using gender-separate...

10.1007/s10433-023-00752-3 article EN cc-by European Journal of Ageing 2023-03-01

Abstract Background: Exercising and eating healthy are not just an individual choice, but influenced by family members, friends, or neighbours. Little is known, however, about colleagues, who another important interpersonal influence. Many people spend many hours at work, surrounded mostly the same could therefore significantly shape employees’ (un)healthy choices. We studied to what extent colleagues may play a part in one another’s exercise behaviours focusing on two pathways: can...

10.1186/s12889-022-14394-0 article EN cc-by BMC Public Health 2022-11-01

Abstract This article examines country differences in the association between education and voluntary or involuntary labor market exit whether these map onto institutional characteristics of countries. Work is defined as based on reasons exit. Four different types factors, push pull , aiming for an earlier work need maintain factors to retain older workers employment are considered. Using data from 15 European countries longitudinal Survey Health, Aging Retirement Europe (SHARE),...

10.1017/s0047279421000258 article EN cc-by Journal of Social Policy 2021-04-20

We examine the interplay between a person's individual preference and social influence others exert. provide model of network relationships with conflicting preferences, where individuals are better off coordinating those around them, but not all have for same action. test our in an experiment, varying level preferences individuals. Our findings suggest that more salient than influence, under preferences: subjects relate mainly who preferences. This leads to two undesirable outcomes:...

10.3934/jdg.2016010 article EN Journal of Dynamics and Games 2016-04-01

Grandparenthood constitutes a significant role for older adults and may have important health implications. Our study examines the grandparenthood-mortality nexus, controlling an array of potentially confounding variables. Longitudinal survey data from Health Retirement Study (HRS) were used, comprising twelve biennial waves 1992 to 2014 with linked on vital status derived National Death Index. The sample included 27,463 participants aged ≥51 years at least one child. Cox proportional hazard...

10.1016/j.socscimed.2020.113371 article EN cc-by Social Science & Medicine 2020-09-16

Objective Social participation is essential for the health of older adults. Formal volunteering can reduce loneliness and associated with numerous positive outcomes. Older adults have limited resources to meet their social well-being needs. We explore factors contributing middle-aged who engage in formal using a qualitative network approach.

10.1080/13607863.2024.2393250 article EN cc-by Aging & Mental Health 2024-08-21

Abstract Gossip is a pervasive phenomenon in organizations causing many individuals to have second-hand information about their colleagues. However, whether it used inform friendship choices (i.e., creation, maintenance, discontinuation) not that evident. This paper articulates and empirically tests complex contagion model explain how gossip, through its reputational effects, can affect the evolution of ties. We argue hearing gossip from more than single sender (and several targets) impacts...

10.1007/s13278-022-00923-7 article EN cc-by Social Network Analysis and Mining 2022-08-16
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