Okamoto S. Socioeconomic factors and the risk of cognitive decline among the elderly population in Japan. Int J Geriatr Psychiatry. 2019; 34(2):265–71. https://doi.org/10.1002/gps.5015.
Article
PubMed
Google Scholar
Salminen M, Laine J, Vahlberg T. Factors associated with institutionalization among home-dwelling patients of urgent geriatric outpatient clinic: a 3-year follow-up study. Eur Geriatr Med. 2020; 11:745–51.
Article
PubMed
PubMed Central
Google Scholar
Akugizibwe R, Calderón-Larrañaga A, Roso-Llorach A, Onder G, Marengoni A, Zucchelli A, Rizzuto D, Vetrano DL. Multimorbidity patterns and unplanned hospitalisation in a cohort of older adults. J Clin Med. 2020; 9(12):4001. https://doi.org/10.3390/jcm9124001.
Article
PubMed Central
Google Scholar
Marengoni A, Akugizibwe R, Vetrano DL, Roso-Llorach A, Onder G, Welmer A-K, Calderón-Larrañaga A. Patterns of multimorbidity and risk of disability in community-dwelling older persons. Aging Clin Exp Res. 2021; 33(2):457–62. https://doi.org/10.1007/s40520-020-01773-z.
Article
PubMed
PubMed Central
Google Scholar
Livingston G, Huntley J, Sommerland A, Ames D, Ballard C. Dementia prevention, intervention, and care: 2020 report of the Lancet commission. The Lancet. 2020; 396(10248):413–46.
Article
Google Scholar
Ali T, Nilsson CJ, Weuve J, Rajan KB, de Leon CFM. Effects of social network diversity on mortality, cognition and physical function in the elderly: a longitudinal analysis of the Chicago health and aging project (chap). J Epidemiol Community Health. 2018; 72(11):990–6.
Article
PubMed
Google Scholar
Quigley TP, Amdam GV. Social modulation of ageing: mechanisms, ecology, evolution. Philos Trans R Soc B Biol Sci. 2021; 376(1823):20190738. https://doi.org/10.1098/rstb.2019.0738.
Article
Google Scholar
Smith KP, Christakis NA. Social networks and health. Annu Rev Sociol. 2008; 34(1):405–29. https://doi.org/10.1146/annurev.soc.34.040507.134601.
Article
Google Scholar
Penninkilampi R, Casey AN, Singh MF, Brodaty H. The association between social engagement, loneliness, and risk of dementia: A systematic review and meta-analysis. J Alzheimers Dis. 2018; 66(4):1619–33. https://doi.org/10.3233/JAD-180439.
Article
PubMed
Google Scholar
Guadalupe S, Vicente HT. Types of personal social networks of older adults in Portugal. Soc Indic Res. 2020. https://doi.org/10.1007/s11205-019-02252-3.
Perry BL, McConnell WR, Coleman ME, Roth AR, Peng S, Apostolova LG. Why the cognitive "fountain of youth" may be upstream: Pathways to dementia risk and resilience through social connectedness. Alzheimers Dement. 2021:1–8. https://doi.org/10.1002/alz.12443.
Fratiglioni L, Marseglia A, Dekhtyar S. Ageing without dementia: can stimulating psychosocial and lifestyle experiences make a difference?Lancet Neurol. 2020; 19(6):533–43. https://doi.org/10.1016/S1474-4422(20)30039-9.
Article
PubMed
Google Scholar
Marseglia A, Wang H-X, Rizzuto D, Fratiglioni L, Xu W. Participating in mental, social, and physical leisure activities and having a rich social network reduce the incidence of diabetes-related dementia in a cohort of Swedish older adults. Diabetes Care. 2019; 42(2):232–9. https://doi.org/10.2337/dc18-1428.
Article
PubMed
Google Scholar
Haslam C, Cruwys T, Haslam SA. "the we’s have it": Evidence for the distinctive benefits of group engagement in enhancing cognitive health in aging. Soc Sci Med. 2014; 120(nil):57–66. https://doi.org/10.1016/j.socscimed.2014.08.037.
Article
PubMed
Google Scholar
Bourassa KJ, Memel M, Woolverton C, Sbarra DA. Social participation predicts cognitive functioning in aging adults over time: comparisons with physical health, depression, and physical activity. Aging Mental Health. 2017; 21(2):133–46. https://doi.org/10.1080/13607863.2015.1081152.
Article
PubMed
Google Scholar
Chen T, Chang H. Developmental patterns of cognitive function and associated factors among the elderly in Taiwan. Sci Rep. 2016; 6(1):1–10. https://doi.org/10.1038/srep33486.
Google Scholar
Hwang J, Park S, Kim S. Effects of participation in social activities on cognitive function among middle-aged and older adults in Korea. Int J Environ Res Public Health. 2018; 15(10):2315. https://doi.org/10.3390/ijerph15102315.
Article
PubMed Central
Google Scholar
Lin N. Building a Network Theory of Social Capital. London: Routledge; 2001, pp. 232–58.
Google Scholar
Lubben JE. Assessing social networks among elderly populations. Fam Community Health. 1988; 11(3):42–52.
Article
Google Scholar
Ellwardt L, Van Tilburg TG, Aartsen MJ. The mix matters: Complex personal networks relate to higher cognitive functioning in old age. Soc Sci Med. 2015; 125:107–15. https://doi.org/10.1016/j.socscimed.2014.05.007.
Article
PubMed
Google Scholar
Dyer AH, Murphy C, Lawlor B, Kennelly SP, Study Group f. t. N.Social networks in mild-to-moderate Alzheimer disease: longitudinal relationships with dementia severity, cognitive function, and adverse events. Aging Mental Health. 2021; 25(10):1923–9. https://doi.org/10.1080/13607863.2020.1745146.
Article
PubMed
Google Scholar
Wellman B, Wortley S. Different strokes from different folks: Community ties and social support. Am J Sociol. 1990; 96(3):558–88. https://doi.org/10.1086/229572.
Article
Google Scholar
Cornwell B, Laumann EO, Schumm LP. The social connectedness of older adults: A national profile. Am Sociol Rev. 2008; 73(2):185–203. https://doi.org/10.1177/000312240807300201.
Article
PubMed
PubMed Central
Google Scholar
Phillipson C. Ageing. Cambridge: Polity Press; 2013.
Google Scholar
Cornwell B, Marcum C, Silverstein M. The Social Network Approach in Gerontological Research. J Gerontol B. 2014; 70(1):87–90. https://doi.org/10.1093/geronb/gbu157.
Article
Google Scholar
Roth AR. Social networks and health in later life: a state of the literature. Sociol Health Illness. 2020; 42(7):1642–56. https://doi.org/10.1111/1467-9566.13155.
Article
Google Scholar
Feld S. The focused organization of social ties. Am J Sociol. 1981; 86(5):1015–35. https://doi.org/10.1086/227352.
Article
Google Scholar
Offer S, Fischer CS. Difficult people: Who is perceived to be demanding in personal networks and why are they there?Am Sociol Rev. 2018; 83(1):111–42. https://doi.org/10.1177/0003122417737951.
Article
PubMed
Google Scholar
Holt-Lunstad J, Smith TB, Baker M, Harris T, Stephenson D. Loneliness and social isolation as risk factors for mortality: A meta-analytic review. Perspect Psychol Sci. 2015; 10(2):227–37. https://doi.org/10.1177/1745691614568352.
Article
PubMed
Google Scholar
Kidambi N, Lee E. Insight into potential mechanisms linking loneliness and cognitive decline: Commentary on "health factors as potential mediator the longitudinal effect of loneliness on general cognitive ability. Am J Geriatr Psychiatry. 2020; 28(12):1284–6. https://doi.org/10.1016/j.jagp.2020.08.015.
Article
PubMed
PubMed Central
Google Scholar
Yoo I. Social networks as a predictive factor in preserving cognitive functioning during aging: A systematic review. Home Health Care Manag Pract. 2021; 34(1):72–80. https://doi.org/10.1177/10848223211030448.
Article
Google Scholar
Kuiper JS, Zuidersma M, Zuidema SU, Burgerhof JGM, Stolk RP, Oude Voshaar RC, Smidt N. Social relationships and cognitive decline: a systematic review and meta-analysis of longitudinal cohort studies. Int J Epidemiol. 2016; 45(4):1169–206. https://doi.org/10.1093/ije/dyw089.
PubMed
Google Scholar
Page MJ, McKenzie JE, Bossuyt PM, Boutron I, Hoffmann TC, Mulrow CD, Shamseer L, Tetzlaff JM, Akl EA, Brennan SE, Chou R, Glanville J, Grimshaw JM, Hróbjartsson A, Lalu MM, Li T, Loder EW, Mayo-Wilson E, McDonald S, McGuinness LA, Stewart LA, Thomas J, Tricco AC, Welch VA, Whiting P, Moher D. The PRISMA 2020 statement: an updated guideline for reporting systematic reviews. BMJ. 2021; 372. https://doi.org/10.1136/bmj.n71.
Hayden JA, Côté P, Bombardier C. Evaluation of the quality of prognosis studies in systematic reviews. Ann Intern Med. 2006; 144(6):427. https://doi.org/10.7326/0003-4819-144-6-200603210-00010.
Article
PubMed
Google Scholar
Hayden JADC, van der Windt A, Catwright JL, Coté P, Bombardier C. Assessing bias in studies of prognostic factors. Ann Intern Med. 2013; 158(4):280–6. https://doi.org/10.7326/0003-4819-158-4-201302190-00009. PMID: 23420236.
Article
PubMed
Google Scholar
DerSimonian R, Laird N. Meta-analysis in clinical trials. Control Clin Trials. 1986; 7(3):177–88. https://doi.org/10.1016/0197-2456(86)90046-2.
Article
CAS
PubMed
Google Scholar
Higgins JPT, Thompson SG. Quantifying heterogeneity in a meta-analysis. Stat Med. 2002; 21(11):1539–58. https://doi.org/10.1002/sim.1186.
Article
PubMed
Google Scholar
Marioni RE, Proust-Lima C, Amieva H, Brayne C, Matthews FE, Dartigues J, Jacqmin-Gadda H. Social activity, cognitive decline and dementia risk: a 20-year prospective cohort study. BMC Public Health. 2015; 15(1):1–8. https://doi.org/10.1186/s12889-015-2426-6.
Article
Google Scholar
Kats D, Patel MD, Palta P, Meyer ML, Gross AL, Whitsel EA, Knopman D, Alonso A, Mosley TH, Heiss G. Social support and cognition in a community-based cohort: the atherosclerosis risk in communities (ARIC) study. Age Ageing. 2016; 45(4):475–80. https://doi.org/10.1093/ageing/afw060.
Article
PubMed
PubMed Central
Google Scholar
Elovainio M, Sommerlad A, Hakulinen C, Pulkki-Råback L, Virtanen M, Kivimäki M, Singh-Manoux A. Structural social relations and cognitive ageing trajectories: evidence from the Whitehall II cohort study. Int J Epidemiol. 2017; 47(3):701–8. https://doi.org/10.1093/ije/dyx209.
Article
PubMed Central
Google Scholar
Lee H, Ang S. Productive activities and risk of cognitive impairment and depression: Does the association vary by gender?Sociol Perspect. 2020; 63(4):608–29. https://doi.org/10.1177/0731121419892622.
Article
PubMed
Google Scholar
Eisele M, Zimmermann T, Köhler M, Wiese B, Heser K, Tebarth F, Weeg D, Olbrich J, Pentzek M, Fuchs A, et al. Influence of social support on cognitive change and mortality in old age: results from the prospective multicentre cohort study agecode. BMC Geriatrics. 2012; 12(1):1–13. https://doi.org/10.1186/1471-2318-12-9.
Article
Google Scholar
Donovan NJ, Wu Q, Rentz DM, Sperling RA, Marshall GA, Glymour MM. Loneliness, depression and cognitive function in older us adults. Int J Geriatr Psychiatry. 2017; 32(5):564–73. https://doi.org/10.1002/gps.4495.
Article
PubMed
Google Scholar
Evans IEM, Llewellyn DJ, Matthews FE, Woods RT, Brayne C, Clare L, Team C-WR. Social isolation, cognitive reserve, and cognition in healthy older people. PloS ONE. 2018; 13(8):0201008. https://doi.org/10.1371/journal.pone.0201008.
Article
Google Scholar
Griffin SC, Mezuk B, Baylor Williams A, Perrin PB, Rybarczyk BD. Isolation, not loneliness or cynical hostility, predicts cognitive decline in older Americans. J Aging Health. 2020; 32(1-2):52–60. https://doi.org/10.1177/0898264318800587.
Article
PubMed
Google Scholar
Murayama H, Nishi M, Matsuo E, Nofuji Y, Shimizu Y, Taniguchi Y, Fujiwara Y, Shinkai S. Do bonding and bridging social capital affect self-rated health, depressive mood and cognitive decline in older Japanese? a prospective cohort study. Soc Sci Med. 2013; 98:247–52. https://doi.org/10.1016/j.socscimed.2013.09.026.
Article
PubMed
Google Scholar
Zhou Z, Mao F, Zhang W, Towne SD, Wang P, Fang Y. The association between loneliness and cognitive impairment among older men and women in China: a nationwide longitudinal study. Int J Environ Res Public Health. 2019; 16(16):2877. https://doi.org/10.3390/ijerph16162877.
Article
PubMed Central
Google Scholar
da Costa BR, Rutjes AWS, Johnston BC, Reichenbach S, Nüesch E, Tonia T, Gemperli A, Guyatt GH, Jüni P. Methods to convert continuous outcomes into odds ratios of treatment response and numbers needed to treat: Meta-epidemiological study. Int J Epidemiol. 2012; 41(5):1445–59. https://doi.org/10.1093/ije/dys124.
Article
PubMed
Google Scholar
Egger M, Smith GD, Schneider M, Minder C. Bias in meta-analysis detected by a simple, graphical test. BMJ. 1997; 315(7109):629–34.
Article
CAS
PubMed
PubMed Central
Google Scholar
Viechtbauer W. Conducting meta-analyses in R with the metafor package. J Stat Softw. 2010; 36(3):1–48.
Article
Google Scholar
Wang H, Jin Y, Hendrie HC, Liang C, Yang L, Cheng Y, Unverzagt FW, Ma F, Hall KS, Murrell JR, et al. Late life leisure activities and risk of cognitive decline. J Gerontol Ser A Biomed Sci Med Sci. 2013; 68(2):205–13. https://doi.org/10.1093/gerona/gls153.
Article
Google Scholar
Wilson RS, Boyle PA, James BD, Leurgans SE, Buchman AS, Bennett DA. Negative social interactions and risk of mild cognitive impairment in old age. Neuropsychology. 2015; 29(4):561–70. https://doi.org/10.1037/neu0000154.
Article
PubMed
Google Scholar
Min JW. A longitudinal study of cognitive trajectories and its factors for koreans aged 60 and over: A latent growth mixture model. Int J Geriatr Psychiatry. 2018; 33(5):755–62. https://doi.org/10.1002/gps.4855.
Article
PubMed
Google Scholar
Qiu J, Sun H, Zhong C, Ma Q, Wang C, Zhou X, Ma Y. Reclassified cognitive leisure activity and risk of cognitive impairment in Chinese older adults aged ≥ 80 years: A 16-year prospective cohort study. Geriatr Gerontol Int. 2019; 19(10):1041–7. https://doi.org/10.1111/ggi.13774.
Article
PubMed
Google Scholar
Sommerlad A, Sabia S, Singh-Manoux A, Lewis G, Livingston G. Association of social contact with dementia and cognition: 28-year follow-up of the Whitehall II cohort study. PLoS Med. 2019; 16(8):1002862. https://doi.org/10.1371/journal.pmed.1002862.
Article
Google Scholar
Zhang Q, Wu Y, Han T, Liu E. Changes in cognitive function and risk factors for cognitive impairment of the elderly in China: 2005–2014. Int J Environ Res Public Health. 2019; 16(16):2847. https://doi.org/10.3390/ijerph16162847.
Article
PubMed Central
Google Scholar
Tang F, Zhang W, Chi I, Li M, Dong XQ. Importance of activity engagement and neighborhood to cognitive function among older Chinese Americans. Res Aging. 2020; 42(7-8):226–35. https://doi.org/10.1177/0164027520917064.
Article
PubMed
Google Scholar
Rawtaer I, Gao Q, Zin Nyunt MS, Feng L, Chong MS, Shiong Lim W, Lee T, Yap P, Bee Yap K, Pin Ng T. Psychosocial risk and protective factors and incident mild cognitive impairment and dementia in community dwelling elderly: Findings from the Singapore longitudinal ageing study. J Alzheimers Dis. 2017; 57(2):603–11. https://doi.org/10.3233/JAD-160862.
Article
CAS
PubMed
Google Scholar
Zhong B, Chen S, Tu X, Conwell Y. Loneliness and cognitive function in older adults: Findings from the Chinese longitudinal healthy longevity survey. J Gerontol B. 2017; 72(1):120–8.
Article
Google Scholar
Tomioka K, Kurumatani N, Hosoi H. Social participation and cognitive decline among community-dwelling older adults: a community-based longitudinal study. J Gerontol B. 2018; 73(5):799–806. https://doi.org/10.1093/geronb/gbw059.
Google Scholar
Evans IEM, Llewellyn DJ, Matthews FE, Woods RT, Brayne C, Clare L, Team C-WR, et al. Living alone and cognitive function in later life. Arch Gerontol Geriatr. 2019; 81:222–33. https://doi.org/10.1016/j.archger.2018.12.014.
Article
PubMed
Google Scholar
Noguchi T, Nojima I, Inoue-Hirakawa T, Sugiura H. The association between social support sources and cognitive function among community-dwelling older adults: A one-year prospective study. Int J Environ Res Public Health. 2019; 16(21):4228. https://doi.org/10.3390/ijerph16214228.
Article
PubMed Central
Google Scholar
Pillemer S, Ayers E, Holtzer R. Gender-stratified analyses reveal longitudinal associations between social support and cognitive decline in older men. Aging Mental Health. 2019; 23(10):1326–32. https://doi.org/10.1080/13607863.2018.1495178.
Article
PubMed
Google Scholar
McHugh Power J, Tang J, Kenny RA, Lawlor BA, Kee F. Mediating the relationship between loneliness and cognitive function: the role of depressive and anxiety symptoms. Aging Mental Health. 2019; 24(7):1071–8. https://doi.org/10.1080/13607863.2019.1599816.
Article
PubMed
Google Scholar
Wang H, Lee C, Hunter S, Fleming J, Brayne C, Collaboration TCS. Longitudinal analysis of the impact of loneliness on cognitive function over a 20-year follow-up. Aging Mental Health. 2019; 24(11):1815–21. https://doi.org/10.1080/13607863.2019.1655704.
Article
PubMed
Google Scholar
Hajek A, Riedel-Heller SG, König H. Perceived social isolation and cognitive functioning. longitudinal findings based on the German ageing survey. Int J Geriatr Psychiatry. 2020; 35(3):276–81. https://doi.org/10.1002/gps.5243.
Article
PubMed
Google Scholar
Armstrong JJ, Mitnitski A, Andrew MK, Launer LJ, White LR, Rockwood K. Cumulative impact of health deficits, social vulnerabilities, and protective factors on cognitive dynamics in late life: a multistate modeling approach. Alzheimers Res Ther. 2015; 7(1):1–9. https://doi.org/10.1186/s13195-015-0120-7.
Article
Google Scholar
Zhou Z, Mao F, Han Y, Fu J, Fang Y. Social engagement and cognitive impairment in older chinese adults: The mediating role of psychological well-being. J Aging Health. 2020; 32(7-8):573–81. https://doi.org/10.1177/0898264319839594.
Article
PubMed
Google Scholar
Heymann DL. Data sharing and outbreaks: best practice exemplified. The Lancet. 2020; 395(10223):469–70. https://doi.org/10.1016/S0140-6736(20)30184-7.
Article
CAS
Google Scholar
Perry BL, Pescosolido BA. Functional specificity in discussion networks: The influence of general and problem-specific networks on health outcomes. Soc Netw. 2010; 32(4):345–57. https://doi.org/10.1016/j.socnet.2010.06.005.
Article
Google Scholar
Okamoto S, Kobayashi E. Social Isolation and Cognitive Functioning: A Quasi-Experimental Approach. J Gerontol B. 2020; 76(7):1441–51. https://doi.org/10.1093/geronb/gbaa226. https://academic.oup.com/psychsocgerontology/article-pdf/76/7/1441/39728847/gbaa226.pdf.
Article
Google Scholar
Bianchetti L, Squazzoni F, Casnici N, Bianchini D, Garrafa E. Social networks and health status in the elderly: the ‘Anziani-in-rete’ population-based study. Aging Clin Exp Res. 2017; 29:1173–9. https://doi.org/10.1007/s40520-017-0726-7.
Article
PubMed
Google Scholar
Yu B, Steptoe A, Chen Y, Jia X. Social isolation, rather than loneliness, is associated with cognitive decline in older adults: the China health and retirement longitudinal study. Psychol Med. 2021; 51(14):2414–21. https://doi.org/10.1017/S0033291720001026.
Article
PubMed
Google Scholar
Dekhtyar S, Vetrano DL, Marengoni A, Wang H-X, Pan K-Y, Fratiglioni L, Calderón-Larrañaga A. Association Between Speed of Multimorbidity Accumulation in Old Age and Life Experiences: A Cohort Study. Am J Epidemiol. 2019; 188(9):1627–36. https://doi.org/10.1093/aje/kwz101. https://academic.oup.com/aje/article-pdf/188/9/1627/29585344/kwz101.pdf.
Article
PubMed
Google Scholar
Grande G, Marengoni A, Vetrano DL, Roso-Llorach A, Rizzuto D, Zucchelli A, Qiu C, Fratiglioni L, Calderón-Larrañaga A. Multimorbidity burden and dementia risk in older adults: The role of inflammation and genetics. Alzheimers Dement. 2021; 17(5):768–76. https://doi.org/10.1002/alz.12237. https://alz-journals.onlinelibrary.wiley.com/doi/pdf/10.1002/alz.12237.
Article
PubMed
PubMed Central
Google Scholar
Berkman LF, Glass T, Brissette I, Seeman TE. From social integration to health: Durkheim in the new millennium. Soc Sci Med. 2000; 51(6):843–57. https://doi.org/10.1016/S0277-9536(00)00065-4.
Article
CAS
PubMed
Google Scholar
Giles LC, Anstey KJ, Walker RB, Luszcz MA. Social networks and memory over 15 years of followup in a cohort of older Australians: Results from the australian longitudinal study of ageing. J Aging Res. 2012; 2012:856048. https://doi.org/10.1155/2012/856048.
Article
PubMed
PubMed Central
Google Scholar
Schooler C. Psychological effects of complex environments during the life span: A review and theory In: Schooler C, Schaie KW, editors. Cognitive Functioning and Social Structure over the Life Course. Norwood, NJ: Ablex: 1987. p. 24–49.
Google Scholar
Hultsch DF, Hertzog C, Small BJ, Dixon RA. Use it or lose it: Engaged lifestyle as a buffer of cognitive decline in aging?Psychol Aging. 1999; 14(2):245–63.
Article
CAS
PubMed
Google Scholar
Mollenhorst G, Volker B, Flap H. Changes in personal relationships: How social contexts affect the emergence and discontinuation of relationships. Soc Netw. 2014; 37:65–80. https://doi.org/10.1016/j.socnet.2013.12.003.
Article
Google Scholar
Pani-Harreman KE, Bours GJJW, Zander I, Kempen GIJM, van Duren JMA. Definitions, key themes and aspects of ‘ageing in place’: a scoping review. Ageing Soc. 2021; 41(9):2026–59. https://doi.org/10.1017/S0144686X20000094.
Article
Google Scholar
Kovacs B, Caplan N, Grob S, King M. Social networks and loneliness during the COVID-19 pandemic. Socius. 2021; 7:2378023120985254. https://doi.org/10.1177/2378023120985254.
Article
Google Scholar