ArticleThe journal of nutrition, health & aging2019
Nutritional Status and Cognitive Impairment among the Very Old in a Community Sample from Southern Brazil.
Article in The journal of nutrition, health & aging, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.
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Who cites it
9 citing papers in PubMed, 1 synthesis or guideline pooled it, 21 citations in OpenAlex.
- Cognitive, functional, physical, and nutritional status of the oldest old encountered in primary care: a systematic review.BMC family practice · 2020Pooled it
- Effect of Probiotic Supplementation in Older Individuals with Mild Cognitive Impairment and Alzheimer's Disease: A Randomized, Placebo-Controlled, Triple-Blind Clinical Trial.Probiotics and antimicrobial proteins · 2026Article
- Prevalence, associated factors, and impact of vitamin B12 deficiency in older medical inpatients.European geriatric medicine · 2025Article
- Prevalence and correlates of malnutrition risk among Chinese centenarians and oldest-old adults.iScience · 2023Article
- Current Evidence on the Association of Micronutrient Malnutrition with Mild Cognitive Impairment, Frailty, and Cognitive Frailty among Older Adults: A Scoping Review.International journal of environmental research and public health · 2022Article
- Environmental Factors Affecting Cognitive Function among Community-Dwelling Older Adults: A Longitudinal Study.International journal of environmental research and public health · 2021Article
- Thyroid Dysfunction, Vitamin B12, and Folic Acid Deficiencies Are Not Associated With Cognitive Impairment in Older Adults in Lima, Peru.Frontiers in public health · 2021Article
- Nutritional Assessment in Older Adults : MNA® 25 years of a Screening Tool and a Reference Standard for Care and Research; What Next?The journal of nutrition, health & aging · 2021Article
- Association Between Cognitive Performance and Nutritional Status: Analysis From LASI-DAD.Gerontology & geriatric medicineArticle
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo determine which factors, especially those related to nutrition, are associated with cognitive function in the oldest old, here considered those at least 80 years of age.
designA cross-sectional, population-based study.
settingVeranópolis, Rio Grande do Sul, Brazil, and surrounding rural areas.
participantsIndividuals aged 80 years and older. MEASUREMENTS: The Mini Nutritional Assessment, anthropometric measurements, and serum levels of albumin and vitamin B12 were associated with cognitive function according to the Mini Mental State Examination (MMSE) and the Clock Drawing Test (CDT). Socio-demographic data were obtained through a structured questionnaire. Multivariate analysis was used to determine the associations.
resultsAccording to the MMSE and the CDT, the prevalence of cognitive impairment was 47.7% [95%CI 39.7-55.7] and 58.2% [95%CI 50.3-66.1], respectively. In the adjusted analysis, the only positive linear association with MMSE scores indicating cognitive impairment was age. However, CDT scores indicating cognitive impairment were five times higher among those with low serum vitamin B12 concentrations. For the other variables, there was a positive association between age, being widowed, a low educational level and central nervous system drugs. Being single, living with children and living alone were protective factors for cognitive impairment.
conclusionsAlthough cognitive impairment was positively associated with old age, being widowed and low educational level in this population, the only nutritional variable positively associated with cognitive impairment was a low vitamin B12 concentration.
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