Hajek, André

Anxiety, Depression and Quality of Life—A Systematic Review of Evidence from Longitudinal Observational Studies

Hohls, J. K., König, H.-H., Quirke, E., & Hajek, A. (2021) · International Journal of Environmental Research and Public Health

Mental Health Treatment and AccessHealth and Well-being Studies

Cited by 296

A systematic review of the association of anxiety with health care utilization and costs in people aged 65 years and older

Hohls, J. K., König, H.-H., Raynik, Y. I., & Hajek, A. (2018) · Journal of Affective Disorders

Mental Health Treatment and AccessAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Cited by 60

Prevalence and correlates of loneliness and social isolation in the oldest old: a systematic review, meta-analysis and meta-regression

Hajek, A., Volkmar, A., & König, H.-H. (2025) · Social Psychiatry and Psychiatric Epidemiology

Health disparities and outcomesAging, Health, and Disability

Cited by 39

The impact of depressive symptoms on healthcare costs in late life: longitudinal findings from the agemoode study

Bock, J.-O., Hajek, A., Weyerer, S., Werle, J., Wagner, M., Maier, W., Stark, A., Kaduszkiewicz, H., Wiese, B., Moor, L., et al. (2017) · The American Journal of Geriatric Psychiatry

Mental Health Treatment and AccessHealth Systems, Economic Evaluations, Quality of Life

Cited by 35

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

Hajek, A., Bock, J.-O., & König, H.-H. (2017) · BMC Family Practice

Primary Care and Health OutcomesMental Health Treatment and Access

Cited by 29

Climate Anxiety and Mental Health in Germany

Hajek, A., & König, H.-H. (2023) · Climate

Climate Change Communication and PerceptionClimate Change and Health Impacts

Cited by 24

Factors associated with loneliness among individuals aged 80 years and over: findings derived from the nationally representative "Old Age in Germany (D80+)" study

Hajek, A., Gyasi, R. M., & König, H.-H. (2024) · Archives of Gerontology and Geriatrics

Health disparities and outcomesAging, Health, and Disability

Cited by 22

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+)

Hajek, A., & König, H. (2022) · International Journal of Geriatric Psychiatry

Aging, Health, and DisabilityHealth disparities and outcomes

Cited by 22

Prevalence and determinants of loneliness among the oldest old living in institutionalized settings: Study findings from a representative survey

Hajek, A., Zwar, L., Gyasi, R. M., Kretzler, B., & König, H.-H. (2024) · Zeitschrift für Gerontologie und Geriatrie

Health disparities and outcomesAging, Health, and Disability

Cited by 18

Factors associated with loneliness in a national study among persons 80 years and older in India in 2017-2018

Pengpid, S., Peltzer, K., Hajek, A., & Gyasi, R. M. (2025) · International Psychogeriatrics

Health disparities and outcomesAging, Health, and Disability

Cited by 8