Research ExplorerScientific StaffAndre Hajek Publications

Dr.phil. ID: 1927350

Andre Hajek

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Affiliations
ORCID: 0000-0002-6886-2745
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Publications

  1. 2025

  2. Neuroticism, loneliness, all-cause and cause-specific mortality: A 17-year study of nearly 500,000 individuals

    Deason, K. G., Luchetti, M., Karakose, S., Stephan, Y., O'Súilleabháin, P. S., Hajek, A., Sutin, A. R. & Terracciano, A., 01.01.2025, In: J AFFECT DISORDERS. 368, p. 274-281 8 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  3. 2024

  4. Editorial: Correlates of loneliness and social isolation in old age

    Hajek, A., 10.2024, In: ARCH GERONTOL GERIAT. 125, p. 105528 1 p.

    Research output: SCORING: Contribution to journal › Editorial › Research

  5. Editorial: Health-related quality of life in old age

    Hajek, A. & König, H-H., 10.2024, In: ARCH GERONTOL GERIAT. 125, p. 105529

    Research output: SCORING: Contribution to journal › Editorial › Research

  6. Views of aging and mental health - The role of informal care provision: Longitudinal findings of the health and retirement study in the US

    Zwar, L., König, H-H. & Hajek, A., 15.09.2024, In: J AFFECT DISORDERS. 361, p. 472-479 8 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  7. Migration background and use of preventive healthcare services: Findings of the German Ageing Survey

    Kameraj, A., König, H-H. & Hajek, A., 09.09.2024, In: BMC PUBLIC HEALTH. 24, 1, p. 2442 2442.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  8. Fear of dementia among middle-aged and older adults in Germany.

    Meyer, J-L., Buczak-Stec, E., König, H-H. & Hajek, A., 01.09.2024, In: DEMENT GER COGN D EX. p. 1-17 17 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  9. Cross-sectional association of food insecurity with loneliness in older adults: The role of sex, age, and psychosomatic factors

    Gyasi, R. M., Aikins, E., Hajek, A., Opoku-Ware, J., Osei, B. A., Kwabena-Adade, J., Jacob, L., Rahmati, M., Dakurah, G. & Peltzer, K., 09.2024, In: J NUTR HEALTH AGING. 28, 9, p. 100328

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  10. Meeting the WHO physical activity guidelines is associated with lower odds of depression in older adults: Potential psychosomatic mechanisms

    Gyasi, R. M., Quansah, N., Boateng, P. A., Akomeah, E., Yakubu, A-F., Ahiabli, P. A., Aikins, E., Owusu-Sarpong, O. J., Dumbe, Y., Nimoh, M., Phillips, D. R. & Hajek, A., 09.2024, In: AM J GERIAT PSYCHIAT. 32, 9, p. 1105-1118 14 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  11. Look on the bright side: the relation between family values, positive aspects of care and caregiver burden

    Zwar, L., König, H-H. & Hajek, A., 30.08.2024, In: EUR J AGEING. 21, p. 23

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  12. Predictors of dementia among the oldest old: longitudinal findings from the representative "survey on quality of life and subjective well-being of the very old in North Rhine-Westphalia (NRW80+)"

    Hajek, A., Kretzler, B., Riedel-Heller, S. G., Gyasi, R. M. & König, H-H., 13.08.2024, In: BMC GERIATR. 24, 1, p. 680

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  13. Migrationshintergrund und Einsamkeit im mittleren und hohen Alter in Deutschland

    Hajek, A. & König, H-H., 07.08.2024, In: BUNDESGESUNDHEITSBLA. 67, 10, p. 1137-1143

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  14. 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., 08.2024, In: ARCH GERONTOL GERIAT. 123, p. 105443

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  15. Later Life Food Insecurity and Social Isolation in Ghana: The Importance of Psychological Factors

    Gyasi, R. M., Phillips, D. R., Aikins, E., Peltzer, K., Accam, B. T., Frempong, F., Dwumah, P., Koomson-Yalley, E. N. M., Asiedu, H. B., Abass, K. & Hajek, A., 08.2024, In: INT J GERIATR PSYCH. 39, 8, p. e6134

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  16. Oral health-related quality of life and loneliness: results based on a cross-sectional survey

    Abdullah, A., König, H-H. & Hajek, A., 29.07.2024, In: ARCH PUBLIC HEALTH. 82, 1, 114.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  17. Hospital Length of Stay and Associated Factors in Adult Patients with Depression in Germany: A Cross-Sectional Study

    Kaur, N., Konrad, M., Hajek, A., Smith, L. & Kostev, K., 25.07.2024, In: J CLIN MED. 13, 15, p. 4331

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  18. Pet ownership and psychosocial outcomes among the oldest old in Germany during the Covid-19 pandemic. Findings based on the nationally representative "Old Age in Germany (D80+)"

    Hajek, A., Peltzer, K., Veronese, N., König, H-H. & Gyasi, R. M., 17.07.2024, In: INT J GERIATR PSYCH. 39, 7, e6127.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  19. Health-related quality of life during the COVID 19 pandemic and beyond

    Hajek, A. & König, H-H., 07.2024, In: ARCH GERONTOL GERIAT. 122, p. 105426 105426.

    Research output: SCORING: Contribution to journal › Editorial › Research

  20. Prevalence and factors associated with probable depression among the oldest old during the Covid-19 pandemic: evidence from the large, nationally representative 'Old Age in Germany (D80+)' study

    Hajek, A., König, H-H., Sutin, A. R., Terracciano, A., Luchetti, M., Stephan, Y. & Gyasi, R. M., 07.2024, In: PSYCHOGERIATRICS. 24, 4, p. 838-846 9 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  21. Validation of the German version of the 25-item hikikomori questionnaire 25

    Hajek, A., Teo, A. R., Zwar, L. & König, H-H., 20.06.2024, In: INT J METH PSYCH RES. 33, 2, e2027.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  22. Age-specific risk factors of depression among the oldest-old - evidence from the multicenter AgeCoDe-AgeQualiDe study

    Luppa, M., Pabst, A., Löbner, M., Mallon, T., Brettschneider, C., Hajek, A., Heser, K., Kleineidam, L., Weyerer, S., Werle, J., Pentzek, M., Weeg, D., Mösch, E., Wiese, B., Oey, A., Wagner, M., Maier, W., Scherer, M., König, H-H. & Riedel-Heller, S. G., 11.06.2024, In: FRONT PSYCHIATRY. 15, p. 1367225

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

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

    Moormann, K. I., Pabst, A., Bleck, F., Löbner, M., Kaduszkiewicz, H., van der Leeden, C., Hajek, A., Brettschneider, C., Heser, K., Kleineidam, L., Werle, J., Fuchs, A., Weeg, D., Bickel, H., Pentzek, M., Weyerer, S., Wiese, B., Wagner, M., Maier, W., Scherer, M., König, H-H. & Riedel-Heller, S. G., 06.2024, In: SOC PSYCH PSYCH EPID. 59, 6, p. 979-988 10 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  24. Perceived ageism and psychosocial outcomes during the COVID-19 pandemic

    Hajek, A. & König, H-H., 10.05.2024, In: ARCH PUBLIC HEALTH. 82, 1, 69.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  25. Social Activities and Risk of Dementia in Community-Dwelling Older People: Gender-Specific Findings from a Prospective Cohort Study

    Htun, H. L., Teshale, A. B., Owen, A. J., Ryan, J., Woods, R. L., Orchard, S. G., Hajek, A., Lysen, T., Shah, R. C., Chong, T. T-J., Sheets, K. M., Joyce, J., Murray, A. M. & Freak-Poli, R., 01.05.2024, In: J GERONTOL B-PSYCHOL. 79, 5, p. gbae050

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  26. Factors associated with institutionalization among the oldest old: Results based on the nationally representative study 'old age in Germany (D80+)'

    Hajek, A., Gyasi, R. M. & König, H-H., 05.2024, In: INT J GERIATR PSYCH. 39, 5, e6099.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  27. Personality and the use of cancer screenings - Results of the German National Cohort

    Hajek, A., Becher, H., Brenner, H., Holleczek, B., Katzke, V., Kaaks, R., Minnerup, H., Karch, A., Baurecht, H., Leitzmann, M., Peters, A., Gastell, S., Ahrens, W., Haug, U., Nimptsch, K., Pischon, T., Michels, K. B., Dorrn, A., Klett-Tammen, C., Castell, S., Willich, S. N., Keil, T., Schipf, S., Meinke-Franze, C., Harth, V., Obi, N. & König, H-H., 05.2024, In: PREV MED REP. 41, p. 102677

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  28. 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., 05.2024, In: Z GERONTOL GERIATR. 57, 3, p. 214-219 6 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  29. Vision and hearing problems and psychosocial outcomes: longitudinal evidence from the German Ageing Survey

    Hajek, A., Gyasi, R. M., Kretzler, B. & König, H-H., 05.2024, In: SOC PSYCH PSYCH EPID. 59, 5, p. 879-886 8 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  30. Determinants of Telemedicine Service Use Among Middle-Aged and Older Adults in Germany During the COVID-19 Pandemic: Cross-Sectional Survey Study

    Neumann, A., König, H-H. & Hajek, A., 23.04.2024, In: JMIR AGING. 7, p. e50938

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  31. Cost-Effectiveness of Treatments for Musculoskeletal Conditions Offered by Physiotherapists: A Systematic Review of Trial-Based Evaluations

    Baumbach, L., Feddern, W., Kretzler, B., Hajek, A. & König, H-H., 13.04.2024, In: SPORTS MED-OPEN. 10, p. 38

    Research output: SCORING: Contribution to journal › SCORING: Review article › Research

  32. Chronic loneliness and chronic social isolation among older adults: a study protocol for a systematic review, meta-analysis and meta-regression

    Hajek, A., Posi, G. & König, H-H., 05.04.2024, In: BMJ OPEN. 14, 4, p. e080399

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  33. Profiles of met and unmet care needs in the oldest-old primary care patients with depression - Results of the AgeMooDe study

    Kraake, S., Pabst, A., Wiese, B., Moor, L., König, H-H., Hajek, A., Kaduszkiewicz, H., Scherer, M., Stark, A., Wagner, M., Maier, W., Werle, J., Weyerer, S., Riedel-Heller, S. G. & Stein, J., 01.04.2024, In: J AFFECT DISORDERS. 350, p. 618-626 9 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  34. Factors Leading to a Decrease in Grip Strength Among the Oldest Old: A Large, Representative, Longitudinal Survey

    Hajek, A. & König, H-H., 04.2024, In: J AM MED DIR ASSOC. 25, 4, p. 672-675 4 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  35. Translation and Validation of the German Version of the Ikigai-9

    Hajek, A., Imai, T., Zwar, L. & König, H-H., 13.03.2024, In: SOCIETIES. 14, 3, p. 39

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  36. The potential of informal care for self-perceptions of aging among older community-dwelling adults: Longitudinal findings from the Health and Retirement Study

    Zwar, L., König, H-H. & Hajek, A., 01.03.2024, In: J GERONTOL B-PSYCHOL. 79, 3, p. gbad189

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  37. Physical activity in adults with and without rheumatoid arthritis: cross-sectional results from the Survey of Health, Ageing and Retirement in Europe (SHARE)

    Belau, M. H., Flaßkamp, F., Becher, H., Hajek, A., König, H-H. & Baumbach, L., 03.2024, In: SCAND J RHEUMATOL. 53, 2, p. 112-117 6 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  38. The effect of depressive symptoms on quality of life and its different facets in the oldest age population: evidence from the AgeQualiDe prospective cohort study

    Liegert, P., Pabst, A., Conrad, I., van den Bussche, H., Eisele, M., Hajek, A., Heser, K., Kleineidam, L., Weyerer, S., Werle, J., Pentzek, M., Weeg, D., Mösch, E., Wiese, B., Oey, A., Wagner, M., Maier, W., König, H-H., Riedel-Heller, S. G., Scherer, M. & Luppa, M., 02.2024, In: QUAL LIFE RES. 33, 2, p. 387-398 12 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  39. Pain: its prevalence and correlates among the oldest old

    Bokermann, J., König, H-H. & Hajek, A., 20.01.2024, In: AGING CLIN EXP RES. 36, 1, p. 2

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  40. How do individuals rate their health compared to others? findings based on a nationally representative sample in Germany

    Hajek, A. & König, H-H., 16.01.2024, In: BMC PUBLIC HEALTH. 24, p. 197

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  41. Caregiving intensity and its association with subjective views of ageing among informal caregivers with different sociodemographic background: a longitudinal analysis from Germany

    Zwar, L., König, H-H. & Hajek, A., 13.01.2024, In: EUR J AGEING. 21, p. 4

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  42. Is loneliness associated with cancellation of medical appointments during the COVID-19 pandemic? Evidence from the Hamburg City Health Study (HCHS)

    Hajek, A., Petersen, E., Schäfer, I., Harth, V., Koch-Gromus, U., Härter, M., Schulz, H., Scherer, M. & König, H. H., 04.01.2024, In: BMC HEALTH SERV RES. 24, p. 32

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  43. German population norms of the preference to solitude scale and its correlates

    Hajek, A., Sutin, A. R., Luchetti, M., Stephan, Y., Peltzer, K., Terracciano, A. & König, H-H., 2024, In: PLOS ONE. 19, 5, e0303853.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  44. Health comparisons and loneliness and perceived social isolation: A brief overview and empirical evidence

    Hajek, A. & König, H-H., 2024, Loneliness and Social Isolation in Old Age: Correlates and Implications. 1 ed. Abingdon: Routledge, p. 121-129 9 p. (Aging and Mental Health Research).

    Research output: SCORING: Contribution to book/anthology › SCORING: Contribution to collected editions/anthologies › Research › peer-review

  45. Loneliness and Social Isolation in Old Age: Correlates and Implications

    Hajek, A., Riedel-Heller, S. & König, H-H., 2024, 1 ed. Abingdon: Routledge. 230 p. (Aging and Mental Health Research)

    Research output: Book/anthology › Collected edition/anthology

  46. Multimorbidity, loneliness, and social isolation: A systematic review: First published in International Journal of Environmental Research and Public Health (Reprint)

    Hajek, A., Kretzler, B. & König, H-H., 2024, Loneliness and Social Isolation in Old Age: Correlates and Implications. Hajek, A., Riedel-Heller, S. & König, H-H. (eds.). 2 ed. Abingdon: Routledge, p. 150-169 20 p.

    Research output: SCORING: Contribution to book/anthology › SCORING: Contribution to collected editions/anthologies › Research › peer-review

  47. Online social media use, loneliness and perceived social isolation in later life: A short overview and some empirical evidence

    Hajek, A. & König, H-H., 2024, Loneliness and Social Isolation in Old Age: Correlates and Implications. Hajek, A., Riedel-Heller, S. & König, H-H. (eds.). 1 ed. Abingdon: Routledge, p. 95-103 9 p. (Aging and Mental Health Research).

    Research output: SCORING: Contribution to book/anthology › SCORING: Contribution to collected editions/anthologies › Research › peer-review

  48. Overview: Loneliness and social isolation in longitudinal aging studies around the world

    Hajek, A. & König, H-H., 2024, Loneliness and Social Isolation in Old Age: Correlates and Implications. Hajek, A., Riedel-Heller, S. & König, H-H. (eds.). 1 ed. Abingdon: Routledge, p. 203-207 5 p. (Aging and Mental Health Research).

    Research output: SCORING: Contribution to book/anthology › SCORING: Contribution to collected editions/anthologies › Research › peer-review

  49. Pet ownership, loneliness, and social isolation

    Kretzler, B., König, H-H. & Hajek, A., 2024, Loneliness and Social Isolation in Old Age: Correlates and Implications. Hajek, A., Riedel-Heller, S. & König, H-H. (eds.). 1 ed. Abingdon: Routledge, p. 86-94 9 p. (Aging and Mental Health Research).

    Research output: SCORING: Contribution to book/anthology › SCORING: Contribution to collected editions/anthologies › Research › peer-review

  50. Preface

    Hajek, A., Riedel-Heller, S. & König, H-H., 2024, Loneliness and Social Isolation in Old Age: Correlates and Implications. Hajek, A., Riedel-Heller, S. & König, H-H. (eds.). 1 ed. Abingdon: Routledge, p. XIV-XV 2 p. (Aging and Mental Health Research).

    Research output: SCORING: Contribution to book/anthology › Other › Research

  51. 2023

  52. Determinants of psychosocial factors amongst the oldest old: Longitudinal evidence based on the representative "survey on quality of life and subjective well-being of the very old in North Rhine-Westphalia"

    Hajek, A., Gyasi, R. M., Kretzler, B., Riedel-Heller, S. G. & König, H-H., 12.2023, In: INT J GERIATR PSYCH. 38, 12, e6031.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

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

    Hajek, A. & König, H-H., 12.2023, In: ARCH GERONTOL GERIAT. 115, p. 105102

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

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