A. Hajek

W. Maier, B. Wiese, M. Wagner, 2017, The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry.

Prevalence and determinants of overweight and obesity in old age in Germany

W. Maier, B. Wiese, T. Luck, 2015, BMC Geriatrics.

Asymmetric effects of obesity on loneliness among older Germans. Longitudinal findings from the Survey of Health, Ageing and Retirement in Europe

H. König, A. Hajek, 2020, Aging & mental health.

Frailty and healthcare costs—longitudinal results of a prospective cohort study

H. Brenner, W. Haefeli, K. Saum, 2018, Age and ageing.

Frequent attendance in primary care in the oldest old: evidence from the AgeCoDe-AgeQualiDe study

W. Maier, H. van den Bussche, B. Wiese, 2020, Aging Clinical and Experimental Research.

Which factors affect health care use among older Germans? Results of the German ageing survey

H. König, Jens-Oliver Bock, A. Hajek, 2017, BMC Health Services Research.

Driving status and health-related quality of life among the oldest old: a population-based examination using data from the AgeCoDe–AgeQualiDe prospective cohort study

W. Maier, H. van den Bussche, B. Wiese, 2020, Aging Clinical and Experimental Research.

Correlates of institutionalization among the oldest old—Evidence from the multicenter AgeCoDe‐AgeQualiDe study

W. Maier, H. van den Bussche, B. Wiese, 2021, International journal of geriatric psychiatry.

The longitudinal association of multimorbidity on loneliness and network size: Findings from a population‐based study

H. König, A. Hajek, Kaja Kristensen, 2019, International journal of geriatric psychiatry.

Personal human values, informal caregiving and the relevance of gender and age: Findings from the population-based German Aging Survey.

A. Hajek, H. König, L. Zwar, 2023, Archives of gerontology and geriatrics.

The link between falls, social isolation and loneliness: A systematic review.

H. König, A. Hajek, Nicole Petersen, 2020, Archives of gerontology and geriatrics.

The link between sexual satisfaction and subjective well-being: a longitudinal perspective based on the German Ageing Survey

Elżbieta Buczak-Stec, H. König, A. Hajek, 2019, Quality of Life Research.

Informal Caregiving, Loneliness and Social Isolation: A Systematic Review

H. König, A. Hajek, B. Kretzler, 2021, International journal of environmental research and public health.

Public stigma towards informal caregiving in Germany: a descriptive study

S. Riedel-Heller, M. Angermeyer, H. König, 2019, Aging & mental health.

The use of routine health check-ups and psychological factors—a neglected link. Evidence from a population-based study

H. König, Jens-Oliver Bock, A. Hajek, 2018, Journal of Public Health.

Does obesity lead to loneliness and perceived social isolation in the second half of life? Findings from a nationally representative study in Germany

H. König, A. Hajek, 2021, Geriatrics & gerontology international.

Impact of falls on depressive symptoms among the oldest old: Results from the AgeQualiDe study

W. Maier, H. van den Bussche, B. Wiese, 2018, International journal of geriatric psychiatry.

Dual sensory impairment and healthcare use: Findings from a nationally representative sample

H. König, A. Hajek, 2020, Geriatrics & gerontology international.

Factors associated with preferences for long-term care settings in old age: evidence from a population-based survey in Germany

S. Riedel-Heller, T. Lehnert, H. König, 2017, BMC Health Services Research.

Psychosocial correlates of unintentional weight loss in the second half of life in the German general population

H. König, Jens-Oliver Bock, A. Hajek, 2017, PloS one.

Do self‐reported hearing and visual impairments predict longitudinal dementia in older adults?

W. Maier, B. Wiese, M. Wagner, 2021, Journal of the American Geriatrics Society.

Prevalence and factors associated with obesity among the oldest old.

W. Maier, B. Wiese, E. Mösch, 2020, Archives of gerontology and geriatrics.

Perceptions of Health Care Use in Germany during the COVID-19 Pandemic

H. König, L. Wieler, P. Sprengholz, 2020, International journal of environmental research and public health.

Impact of stroke on affective well-being: findings from a large longitudinal nationally representative study

Elżbieta Buczak-Stec, H. König, A. Hajek, 2019, Aging & mental health.

Gender differences in the effect of social support on health-related quality of life: results of a population-based prospective cohort study in old age in Germany

W. Maier, B. Wiese, T. Luck, 2016, Quality of Life Research.

A. Hajek, H. König, 2022, BMC Oral Health.

Neighbourhood cohesion, loneliness and perceived social isolation prior and during the COVID-19 pandemic. Longitudinal evidence from the German Ageing Survey

A. Hajek, B. Kretzler, H. König, 2023, Social Psychiatry and Psychiatric Epidemiology.

Community centers for older adults and psychosocial factors: Evidence from the German Ageing Survey

A. Hajek, B. Kretzler, R. Gyasi, 2023, International journal of geriatric psychiatry.

Extending understanding of grandchild care on feelings of loneliness and isolation in later life

H. König, A. Hajek, Eleanor Quirke, 2020, Zeitschrift für Gerontologie und Geriatrie (Print).

Association between caring for grandchildren and feelings of loneliness, social isolation and social network size: a cross-sectional study of community dwelling adults in Germany

H. König, A. Hajek, Eleanor Quirke, 2019, BMJ Open.

The association of multimorbidity, loneliness, social exclusion and network size: findings from the population-based German Ageing Survey

H. König, A. Hajek, Kaja Kristensen, 2019, BMC Public Health.

The relation between personality, informal caregiving, life satisfaction and health-related quality of life: evidence of a longitudinal study

H. König, A. Hajek, 2018, Quality of Life Research.

Loneliness and social isolation in old age: A look at research during the COVID-19 pandemic and a look ahead

A. Hajek, H. König, 2023, Archives of Gerontology and Geriatrics.

Dual sensory impairment and psychosocial factors. Findings based on a nationally representative sample.

H. König, A. Hajek, 2020, Archives of gerontology and geriatrics.

Do Loneliness and Perceived Social Isolation Reduce Expected Longevity and Increase the Frequency of Dealing With Death and Dying? Longitudinal Findings Based on a Nationally Representative Sample.

H. König, A. Hajek, 2021, Journal of the American Medical Directors Association.

Obesity and loneliness. Findings from a longitudinal population‐based study in the second half of life in Germany

H. König, A. Hajek, 2018, Psychogeriatrics : the official journal of the Japanese Psychogeriatric Society.

Perceived social isolation and cognitive functioning. Longitudinal findings based on the German Ageing Survey

S. Riedel-Heller, H. König, A. Hajek, 2019, International journal of geriatric psychiatry.

Determinants of psychosocial factors among the oldest old – Evidence from the representative “Survey on quality of life and subjective well‐being of the very old in North Rhine‐Westphalia (NRW80+)”

H. König, A. Hajek, 2021, International journal of geriatric psychiatry.

Do lonely and socially isolated individuals think they die earlier? The link between loneliness, social isolation and expectations of longevity based on a nationally representative sample

H. König, A. Hajek, 2021, Psychogeriatrics : the official journal of the Japanese Psychogeriatric Society.

Does the beginning and the end of income poverty affect psychosocial factors among middle-aged and older adults? Findings based on nationally representative longitudinal data

A. Hajek, H. König, H. König, 2020, Das Gesundheitswesen.

Which factors contribute to loneliness among older Europeans? Findings from the Survey of Health, Ageing and Retirement in Europe: Determinants of loneliness.

H. König, A. Hajek, 2020, Archives of gerontology and geriatrics.

Psychosocial consequences of transitioning into informal caregiving in male and female caregivers: Findings from a population-based panel study.

H. König, A. Hajek, L. Zwar, 2020, Social science & medicine.

Meaning in life and health care use: findings from a nationally representative study of older adults in Germany

H. König, A. Hajek, 2019, BMC Geriatrics.

The role of optimism in the relationship between job stress and depressive symptoms. Longitudinal findings from the German Ageing Survey.

H. König, A. Hajek, E. Romswinkel, 2018, Journal of affective disorders.

The empty nest, depressive symptoms and loneliness of older parents: Prospective findings from the German Ageing Survey.

H. König, A. Hajek, Kaja Kristensen, 2021, Archives of gerontology and geriatrics.

Frequency and Correlates of Multimorbidity Among the Oldest Old: Study Findings from the Representative “Survey on Quality of Life and Subjective Well-Being of the Very Old in North Rhine-Westphalia (NRW80+)”

A. Hajek, H. König, 2023, Clinical interventions in aging.

Are changes in body-mass-index associated with changes in depressive symptoms? Findings of a population-based longitudinal study among older Germans

H. König, A. Hajek, 2018, BMC Psychiatry.

How do cat owners, dog owners and individuals without pets differ in terms of psychosocial outcomes among individuals in old age without a partner?

H. König, A. Hajek, 2020, Aging & mental health.

Determinants of Postponed Cancer Screening During the COVID-19 Pandemic: Evidence from the Nationally Representative COVID-19 Snapshot Monitoring in Germany (COSMO)

H. König, A. Hajek, F. De Bock, 2021, Risk management and healthcare policy.

Factors associated with postponed health checkups during the COVID-19 pandemic in Germany

H. König, A. Hajek, F. De Bock, 2021, Public Health.

Disorientation in Time and Place in Old Age: Longitudinal Evidence from Three Old Age Cohorts in Germany (AgeDifferent.de Platform).

W. Maier, B. Wiese, M. Wagner, 2021, Journal of Alzheimer's disease : JAD.

Informal caregiving and personality: Results of a population-based longitudinal study in Germany

H. König, A. Hajek, 2018, PloS one.

Feeling too old? Consequences for subjective well-being. Longitudinal findings from the German Ageing Survey.

H. König, A. Hajek, 2020, Archives of gerontology and geriatrics.

Objective Job Demands of Oneself and One’s Partner, and Depressive Symptoms. Evidence from a Nationally Representative Longitudinal Study

H. König, A. Hajek, B. Kretzler, 2021, International journal of environmental research and public health.

Life satisfaction of informal care recipients: Findings from the German Ageing Survey.

H. König, A. Hajek, L. Zwar, 2019, British journal of health psychology.

Informal Caregiving and Subjective Well-Being: Evidence of a Population-Based Longitudinal Study of Older Adults in Germany.

H. König, A. Hajek, 2016, Journal of the American Medical Directors Association.

Not Getting What You Want? The Impact of Income Comparisons on Subjective Well-Being—Findings of a Population-Based Longitudinal Study in Germany

H. König, A. Hajek, 2019, International journal of environmental research and public health.

Association of general psychological factors with frequent attendance in primary care: a population-based cross-sectional observational study

H. König, Jens-Oliver Bock, A. Hajek, 2017, BMC Family Practice.

The association between the interaction of migration background and physical activity with loneliness in middle-aged and older adults living in Germany.

A. Hajek, H. König, L. Baumbach, 2023, Psychogeriatrics.

Association of vision problems with psychosocial factors among middle-aged and older individuals: findings from a nationally representative study

H. König, C. Wolfram, A. Hajek, 2020, Aging & Mental Health.

Psychological correlates of fear of falling: Findings from the German Aging Survey

H. König, Jens-Oliver Bock, A. Hajek, 2018, Geriatrics & gerontology international.

The role of self-efficacy, self-esteem and optimism for using routine health check-ups in a population-based sample. A longitudinal perspective.

A. Hajek, Hans-Helmut-König, 2017, Preventive Medicine.

Psychological determinants of influenza vaccination

H. König, Jens-Oliver Bock, A. Hajek, 2017, BMC Geriatrics.

Social Support and Functional Decline in the Oldest Old

W. Maier, B. Wiese, M. Wagner, 2021, Gerontology.

The onset of falls reduces perceived autonomy among middle aged and older adults. Results from a longitudinal nationally representative sample.

H. König, A. Hajek, 2020, Archives of gerontology and geriatrics.

Correlates of preferences for autonomy in long-term care: results of a population-based survey among older individuals in Germany

S. Riedel-Heller, T. Lehnert, H. König, 2018, Patient preference and adherence.

Impact of informal caregiving on loneliness and satisfaction with leisure-time activities. Findings of a population-based longitudinal study in germany

H. König, A. Hajek, 2018, Aging & mental health.

Do Individuals in Old Age Prepare for the Risk of Long-Term Care? Results of A Population-Based Survey in Germany

S. Riedel-Heller, T. Lehnert, H. König, 2018, International journal of environmental research and public health.

The role of flexible goal adjustment in the effect of informal caregiving on depressive symptoms: Evidence of a large population-based longitudinal study in Germany from 2002 to 2011

H. König, A. Hajek, 2017, Quality of Life Research.

Correlates of hospitalization among the oldest old: results of the AgeCoDe–AgeQualiDe prospective cohort study

F. Jessen, H. van den Bussche, A. Ramírez, 2019, Aging Clinical and Experimental Research.

Negative Health Comparisons Decrease Affective and Cognitive Well-Being in Older Adults. Evidence from a Population-Based Longitudinal Study in Germany

H. König, A. Hajek, 2016, Front. Psychol..

Effect of Health Comparisons on Functional Health and Depressive Symptoms - Results of a Population-Based Longitudinal Study of Older Adults in Germany

H. König, A. Hajek, 2016, PloS one.

Prevalence and correlates of obesity among the oldest old. A systematic review, meta‐analysis and meta‐regression

H. König, A. Hajek, B. Kretzler, 2022, Geriatrics & gerontology international.

Association between Subjective Well-Being and Frequent Dental Visits in the German Ageing Survey

G. Heydecke, Elżbieta Buczak-Stec, H. König, 2020, International journal of environmental research and public health.

The Curvilinear Effect of BMI on Functional Health - Evidence of the Long-Running German Ageing Survey

H. König, A. Hajek, 2017, Obesity Facts.

Long-term care need, loneliness, and perceived social isolation during the COVID-19 pandemic: evidence from the German Ageing Survey

K. Grupp, A. Hajek, R. Freak‐Poli, 2023, Aging Clinical and Experimental Research.

The women’s liberation movement. Impacts and outcomes

A. Hajek, 2019, Women's History Review.

Frequent attenders in late life in primary care: a systematic review of European studies

S. Riedel-Heller, J. Stein, H. König, 2017, BMC Family Practice.

Association of anxiety symptoms with health care use and costs in people aged 85 and over

W. Maier, H. van den Bussche, B. Wiese, 2019, International journal of geriatric psychiatry.

Factors Contributing to Persistent Frequent Attendance in Primary Care Among the Oldest Old: Longitudinal Evidence From the AgeCoDe-AgeQualiDe Study

W. Maier, H. van den Bussche, B. Wiese, 2022, Frontiers in Medicine.

The Association of Post-Materialism with Health Care Use. Findings of a General Population Survey in Germany

H. König, A. Hajek, 2020, International journal of environmental research and public health.

Which Factors Contribute to Frailty among the Oldest Old? Results of the Multicentre Prospective AgeCoDe and AgeQualiDe Study

W. Maier, B. Wiese, E. Mösch, 2020, Gerontology.

Determinants of Frequent Attendance in Primary Care. Study Protocol for a Systematic Review of Longitudinal Studies

H. König, A. Hajek, B. Kretzler, 2020, International journal of environmental research and public health.

Self-perceptions of ageing, GP visits and frequent attendance. Longitudinal findings from the German Ageing Survey

H. König, A. Hajek, 2020, Aging & mental health.

Determinants of Frequent Attendance of Outpatient Physicians: A Longitudinal Analysis Using the German Socio-Economic Panel (GSOEP)

H. König, A. Hajek, Moritz Hadwiger, 2019, International journal of environmental research and public health.

Which factors lead to frequent attendance in the outpatient sector among individuals in the second half of life? Evidence from a population-based longitudinal study in Germany

H. König, A. Hajek, 2018, BMC Health Services Research.

The Association Between Self-Regulation and Daily Sports Activities in a Nationally Representative Sample of Older Adults. Findings From the German Ageing Survey

H. König, A. Hajek, 2018, Front. Physiol..

Learning from L'Aquila: grassroots mobilization in post-earthquake Emilia-Romagna

A. Hajek, 2013 .

Can Informal Caregiving be Perceived as Rejuvenating? Changes in Perceptions of Ageing at Onset and End of Informal Caregiving during Different Stages of Life

A. Hajek, H. König, L. Zwar, 2022, Gerontology.

Frailty and Autonomy among the Oldest Old: Evidence from the Multicenter Prospective AgeCoDe-AgeQualiDe Study

W. Maier, B. Wiese, M. Wagner, 2021, Gerontology.

[Longitudinal Predictors of the Need for Care].

W. Maier, B. Wiese, T. Luck, 2016, Gesundheitswesen (Bundesverband der Arzte des Offentlichen Gesundheitsdienstes (Germany)).

Falls and subjective well-being. Results of the population-based German Ageing Survey.

H. König, A. Hajek, 2017, Archives of gerontology and geriatrics.

Depressive Symptoms and Frailty Among the Oldest Old: Evidence From the Multicenter Prospective AgeCoDe-AgeQualiDe Study.

W. Maier, B. Wiese, E. Mösch, 2020, Journal of the American Medical Directors Association.

Reductions in cognitive functioning are associated with decreases in satisfaction with aging. Longitudinal findings based on a nationally representative sample.

S. Riedel-Heller, Elżbieta Buczak-Stec, H. König, 2020, Archives of gerontology and geriatrics.

Longitudinal Predictors of Functional Impairment in Older Adults in Europe – Evidence from the Survey of Health, Ageing and Retirement in Europe

H. König, A. Hajek, 2016, PloS one.

Unterschiede in Kognition, Depressivität und gesundheitsbezo- gener Lebensqualität zwischen Versicherten der GKV und PKV im hohen Alter Health Insurance in Old Age and Differences in Cognition, Depressive Symptoms and Health-Related Quality of Life

W. Maier, B. Wiese, T. Luck, 2018 .

Factors affecting functional impairment among elderly Germans — Results of a longitudinal study

W. Maier, B. Wiese, T. Luck, 2016, The journal of nutrition, health & aging.

The association between obesity and social exclusion in middle-aged and older adults: findings from a nationally representative study in Germany

H. König, A. Hajek, 2018, BMC Geriatrics.

Fear of Dementia in the General Population: Findings from the German Socio-Economic Panel (GSOEP).

H. König, A. Hajek, 2020, Journal of Alzheimer's disease : JAD.

The importance of familiarity with caregiving for public caregiver stigma: Evidence from a cross-sectional study in Germany.

S. Riedel-Heller, M. Angermeyer, H. König, 2020, Archives of gerontology and geriatrics.

Personality and Falls: Findings Based on the Survey of Health, Aging, and Retirement in Europe.

H. König, A. Hajek, 2021, Journal of the American Medical Directors Association.

Personality and functional impairment. Evidence from the Survey of Health, Ageing and Retirement in Europe

H. König, A. Hajek, 2021, Psychogeriatrics : the official journal of the Japanese Psychogeriatric Society.

The Onset of Falls Reduces Subjective Well-Being. Findings of a Nationally Representative Longitudinal Study

H. König, A. Hajek, 2021, Frontiers in Psychiatry.

The impact of different types of informal caregiving on cognitive functioning of older caregivers: Evidence from a longitudinal, population-based study in Germany.

H. König, A. Hajek, L. Zwar, 2018, Social science & medicine.

Impact of Incident Parkinson's Disease on Satisfaction With Life

Elżbieta Buczak-Stec, H. König, A. Hajek, 2018, Front. Neurol..

Does transpersonal trust moderate the association between chronic conditions and general practitioner visits in the oldest old? Results of the AgeCoDe and AgeQualiDe study

W. Maier, B. Wiese, T. Luck, 2019, Geriatrics & gerontology international.

Oral health, anxiety symptoms and depressive symptoms: findings from the survey of health, ageing and retirement in Europe

A. Hajek, B. Kretzler, H. König, 2023, Psychogeriatrics : the official journal of the Japanese Psychogeriatric Society.

The role of migration status in the link between ADL/IADL and informal as well as formal care in Germany: Findings of the Survey of Health, Aging and Retirement in Europe.

A. Hajek, H. König, Henrike Wilckens, 2022, Archives of gerontology and geriatrics.

H. König, A. Hajek, 2022, BMC oral health.

Are informal family caregivers stigmatized differently based on their gender or employment status?: a German study on public stigma towards informal long-term caregivers of older individuals

S. Riedel-Heller, M. Angermeyer, H. König, 2021, BMC Public Health.

Prevalence of Prefrailty and Frailty Among Older Adults in Germany: A Systematic Review, Meta-Analysis and Meta-Regression

A. Hajek, B. Kretzler, H. König, 2022, Frontiers in Medicine.

Religious Denomination, Religiosity, Religious Attendance, and Cancer Prevention. A Systematic Review

A. Hajek, Line Brandt, B. Kretzler, 2022, Risk management and healthcare policy.

A. Torbica, J. van Exel, T. Stargardt, 2023, Quality of Life Research.

The association of falls with loneliness and social exclusion: evidence from the DEAS German Ageing Survey

H. König, A. Hajek, 2017, BMC Geriatrics.

Informal caregiving for adults, loneliness and social isolation: a study protocol for a systematic review

H. König, A. Hajek, B. Kretzler, 2021, BMJ Open.

Associations between starting and stopping volunteering and physical activity among older adults - longitudinal evidence from the German Ageing Survey

H. König, A. Hajek, L. Baumbach, 2022, BMC Public Health.

Locus of control and frequency of physician visits: Results of a population-based longitudinal study in Germany.

H. König, A. Hajek, 2017, British journal of health psychology.

The longitudinal association between informal caregiving and body mass index in the second half of life: findings of the German Ageing Survey.

H. König, A. Hajek, Hans-Helmut König, 2017, Public health.

Does informal caregiving affect self‐esteem? Results from a population‐based study of individuals aged 40 and over in Germany from 2002 to 2014

H. König, A. Hajek, 2018, Scandinavian journal of caring sciences.

Longitudinal association between panic disorder and health care costs in older adults

H. Brenner, B. Schöttker, W. Haefeli, 2019, Depression and anxiety.

The Longitudinal Association between Psychological Factors and Health Care Use

H. König, Jens-Oliver Bock, A. Hajek, 2018, Health services research.

Do Informal Caregivers Expect to Die Earlier? A Longitudinal Study with a Population-Based Sample on Subjective Life Expectancy of Informal Caregivers

H. König, A. Hajek, L. Zwar, 2021, Gerontology.

Obesity and sickness absence: results from a longitudinal nationally representative sample from Germany

H. König, K. Reber, A. Hajek, 2018, BMJ Open.

Preferences for home- and community-based long-term care services in Germany: a discrete choice experiment

S. Riedel-Heller, T. Lehnert, H. König, 2018, The European Journal of Health Economics.

Flexible goal adjustment moderates the link between self-rated health and subjective well-being. Findings from the general population

H. König, A. Hajek, 2020, Aging & mental health.

How does social support affect functional impairment in late life? Findings of a multicenter prospective cohort study in Germany

W. Maier, B. Wiese, T. Luck, 2017, Age and ageing.

Multimorbidity patterns in the German general population aged 40 years and over.

Elżbieta Buczak-Stec, A. Hajek, H. König, 2023, Archives of gerontology and geriatrics.

Climate anxiety in Germany.

A. Hajek, H. König, 2022, Public health.

Differences in Self-Esteem Between Cat Owners, Dog Owners, and Individuals Without Pets

H. König, A. Hajek, C. Schulz, 2020, Frontiers in Veterinary Science.

Are transgender people satisfied with their lives?

M. Blessmann, K. Grupp, A. Hajek, 2023, BMC Public Health.

Sexual satisfaction of middle-aged and older adults: longitudinal findings from a nationally representative sample.

Elżbieta Buczak-Stec, H. König, A. Hajek, 2020, Age and ageing.

Do Individuals with High Climate Anxiety Believe That They Will Die Earlier? First Evidence from Germany

A. Hajek, H. König, 2023, International journal of environmental research and public health.

Climate Anxiety, Loneliness and Perceived Social Isolation

A. Hajek, H. König, 2022, International journal of environmental research and public health.

Falls Are Associated With Decreased Autonomy, and Self-Efficacy Moderates This Relation: Results From a National Study

H. König, A. Hajek, 2019, Front. Psychiatry.

Self-efficacy moderates the relationship between health comparisons and social exclusion: results of the German ageing survey

H. König, A. Hajek, 2017, Health and Quality of Life Outcomes.

Frequency and Correlates of Online Consultations With Doctors or Therapists in Middle-Aged and Older Adults: Nationally Representative Cross-sectional Study

H. König, A. Hajek, 2022, Journal of medical Internet research.

Mapping the Beck Depression Inventory to the EQ-5D-3L in Patients with Depressive Disorders.

J. Hoyer, C. Brettschneider, A. Hajek, 2016, The journal of mental health policy and economics.

[Long-Term Care Preferences Among Individuals of Advanced Age in Germany: Results of a Population-Based Study].

S. Riedel-Heller, T. Lehnert, H. König, 2017, Das Gesundheitswesen.

How does beginning or ceasing of informal caregiving of individuals in poor health influence sleep quality? Findings from a nationally representative longitudinal study

H. König, A. Hajek, 2020, Aging & mental health.

Memory in a Mediated World

Christine Lohmeier, Christian Pentzold, C. Pentzold, 2016 .

Religious affiliation and oral health-related quality of life: a cross-sectional study based on a nationally representative survey in Germany

A. Hajek, B. Kretzler, H. König, 2023, BMC Oral Health.

Ageing Happily in Ghana: How Does Social Inclusion Contribute?

F. Asante, A. Hajek, Kabila Abass, 2023, Psychogeriatrics : the official journal of the Japanese Psychogeriatric Society.

Sleep and Happiness in Urban-Dwelling Older Adults in Ghana: A Serial Multiple Mediation Model of Generalized Anxiety and Depressive Symptoms.

E. Owusu-Dabo, Peter Bai James, A. Hajek, 2023, The American journal of geriatric psychiatry.

What Is Successful Aging? A Psychometric Validation Study of Different Construct Definitions.

W. Maier, B. Wiese, T. Luck, 2018, The Gerontologist.

Postponed Dental Appointments Due to Costs Are Associated with Increased Loneliness—Evidence from the Survey of Health, Ageing and Retirement in Europe

G. Heydecke, Elżbieta Buczak-Stec, H. König, 2021, International journal of environmental research and public health.

Determinants of Postponed Cancer Screening During the COVID-19 Pandemic: Evidence from the Nationally Representative COVID-19 Snapshot Monitoring in Germany (COSMO)

H. König, A. Hajek, Lena Huebl, 2021 .

The Relationship between Income and Morbidity—Longitudinal Findings from the German Ageing Survey

H. König, A. Hajek, Elena Reche, 2021, International journal of environmental research and public health.

Does visual impairment affect social ties in late life? Findings of a multicenter prospective cohort study in Germany

F. Jessen, W. Maier, B. Wiese, 2016, The journal of nutrition, health & aging.

Women's Studies 2.0. Italian Feminist Scholarship in the Digital Age

A. Hajek, 2017 .

Who should take care of me? Preferences of old age individuals for characteristics of professional long-term caregivers: an observational cross-sectional study

S. Riedel-Heller, T. Lehnert, H. König, 2017, BMC Research Notes.

[Morbidity Differences by Health Insurance Status in Old Age].

H. Brenner, B. Schöttker, K. Saum, 2018, Gesundheitswesen (Bundesverband der Arzte des Offentlichen Gesundheitsdienstes (Germany)).

The association between use of online social networks sites and perceived social isolation among individuals in the second half of life: results based on a nationally representative sample in Germany

H. König, A. Hajek, 2019, BMC Public Health.

Determinants of Dental Service Use Based on the Andersen Model: A Study Protocol for a Systematic Review

H. König, A. Hajek, B. Kretzler, 2020, Healthcare.

RAI3 expression is not associated with clinical outcomes of patients with non-small cell lung cancer

J. Izbicki, K. Grupp, A. Hajek, 2023, Journal of Cancer Research and Clinical Oncology.

Determinants of health care use among homeless individuals: evidence from the Hamburg survey of homeless individuals

H. König, A. Hajek, K. Püschel, 2021, BMC Health Services Research.

Help-seeking for psychological distress and its association with anxiety in the oldest old – results from the AgeQualiDe cohort study

W. Maier, B. Wiese, E. Mösch, 2020, Aging & mental health.

Longitudinal Analysis of Outpatient Physician Visits in the Oldest Old: Results of the AgeQualiDe Prospective Cohort Study

W. Maier, H. Bussche, B. Wiese, 2018, The journal of nutrition, health & aging.

The impact of social engagement on health-related quality of life and depressive symptoms in old age - evidence from a multicenter prospective cohort study in Germany

W. Maier, B. Wiese, T. Luck, 2017, Health and Quality of Life Outcomes.

Informal caregiving during the COVID-19 pandemic: findings from a representative, population-based study during the second wave of the pandemic in Germany

H. König, A. Hajek, L. Zwar, 2021, Aging & mental health.

Religious Affiliation and Flu Vaccination in Germany: Results of the German Ageing Survey

A. Hajek, H. König, Hamza M Shaheen, 2022, Healthcare.

The relation between personality, informal caregiving, life satisfaction and health-related quality of life: evidence of a longitudinal study

H. König, A. Hajek, 2018, Quality of Life Research.

The link between sexual satisfaction and subjective well-being: a longitudinal perspective based on the German Ageing Survey

Elżbieta Buczak-Stec, H. König, A. Hajek, 2019, Quality of Life Research.

EQ-5D-3L health status and health state utilities of the oldest-old (85 +) in Germany: results from the AgeCoDe-AgeQualiDe study

W. Maier, B. Wiese, M. Wagner, 2020, Quality of Life Research.

Do Sexually Satisfied Individuals Think That They Live Longer? Results from the German Ageing Survey

Elżbieta Buczak-Stec, A. Hajek, H. König, 2022, Healthcare.

W. Maier, B. Wiese, E. Mösch, 2021, Archives of gerontology and geriatrics.

What are the psychosocial consequences when fear of falling starts or ends? Evidence from an asymmetric fixed effects analysis based on longitudinal data from the general population

H. König, A. Hajek, 2020, International journal of geriatric psychiatry.

Wishing for an end? Longitudinal analysis of suicidal ideation among informal caregivers inside and outside their household in different welfare systems of Europe.

A. Hajek, H. König, L. Zwar, 2023, International psychogeriatrics.

Gender Specifics of Healthy Ageing in Older Age as Seen by Women and Men (70+): A Focus Group Study

B. Wiese, S. Riedel-Heller, M. Löbner, 2022, International journal of environmental research and public health.

GPs’ awareness of car driving among oldest patients: exploratory results from a primary care cohort

W. Maier, H. van den Bussche, B. Wiese, 2021, BJGP open.

Grandchild care and loneliness among older Europeans: Longitudinal evidence from the Survey of Health, Ageing and Retirement in Europe

A. Hajek, H. König, 2022, International journal of geriatric psychiatry.

Determinants of Patient Use and Satisfaction With Synchronous Telemental Health Services During the COVID-19 Pandemic: Systematic Review

A. Hajek, H. König, Ariana Neumann, 2023, JMIR mental health.

Volunteering, loneliness and perceived social isolation: evidence from a representative sample of middle-aged and older adults in Germany

A. Hajek, H. König, Avery Richardson, 2023, Aging & mental health.

Effect of Visual Impairment on Physical and Cognitive Function in Old Age: Findings of a Population‐Based Prospective Cohort Study in Germany

W. Maier, B. Wiese, T. Luck, 2016, Journal of the American Geriatrics Society.

Sexual satisfaction and aging satisfaction among middle-aged and older adults. Evidence from a nationally representative study.

A. Hajek, H. König, 2023, Archives of gerontology and geriatrics.

Factors Leading to Institutionalization among the Oldest Old: Longitudinal Findings from the AgeCoDe-AgeQualiDe Study

W. Maier, H. van den Bussche, B. Wiese, 2021, Gerontology.

The impact of receiving informal care on self-esteem and its moderation by social class

H. König, A. Hajek, L. Zwar, 2020, Aging & mental health.

Planning to move into a nursing home in old age: does sexual orientation matter?

Elżbieta Buczak-Stec, H. König, A. Hajek, 2020, Age and ageing.

Self-Rated Health and Social Exclusion: Does Gardening Moderate This Relation? Evidence from the German Ageing Survey

H. König, A. Hajek, 2019, International journal of environmental research and public health.

What Is Successful Aging? A Psychometric Validation Study of Different Construct Definitions.

W. Maier, B. Wiese, T. Luck, 2018, The Gerontologist.

Social isolation in the oldest-old: determinants and the differential role of family and friends

W. Maier, B. Wiese, M. Pentzek, 2023, Social psychiatry and psychiatric epidemiology.

Determinants of Willingness to Pay for Health Insurance in Germany—Results of the Population-Based Health Study of the Leipzig Research Centre for Civilization Diseases (LIFE-Adult-Study)

S. Riedel-Heller, J. Stein, H. König, 2020, Frontiers in Public Health.

Fear of COVID-19 among homeless individuals in Germany in mid-2021

A. Hajek, F. Heinrich, B. Ondruschka, 2022, Frontiers in Public Health.

Inanspruchnahme von Gesundheitsleistungen bei Obdachlosen: Ergebnisse der Hamburger Obdachlosenbefragung

H. König, A. Hajek, K. Püschel, 2021, Das Gesundheitswesen.

Prevalence and Factors Associated with Fear of COVID-19 Among Homeless Individuals During the COVID-19 Pandemic: Evidence from the Hamburg Survey of Homeless Individuals

H. König, A. Hajek, K. Püschel, 2021, Risk management and healthcare policy.

Determinants of health-related quality of life (HRQoL) among homeless individuals during the COVID-19 pandemic

A. Hajek, F. Heinrich, B. Ondruschka, 2023, Quality of Life Research.

The Mental and Physical Health of the Homeless-Evidence From the National Survey on Psychiatric and Somatic Health of Homeless Individuals (the NAPSHI Study).

A. Hajek, B. Wulff, F. Heinrich, 2022, Deutsches Arzteblatt international.

The impact of different types of informal caregiving on cognitive functioning of older caregivers: Evidence from a longitudinal, population-based study in Germany.

H. König, A. Hajek, L. Zwar, 2018, Social science & medicine.

Determinants of Healthcare Use Based on the Andersen Model: A Systematic Review of Longitudinal Studies

H. König, A. Hajek, B. Kretzler, 2021, Healthcare.