Racial/Ethnic Variations in the Relation Between Body Mass Index and Cognitive Function Among Older Adults

Bryant, Ami N.; Ford, Katy-Lauren; Kim, Giyeon

doi:10.1016/j.jagp.2013.08.006

Cited by 19 publications

(18 citation statements)

References 37 publications

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“…Some studies are in line with our results. In the Cardiovascular Health Study, higher BMI was associated with better cognitive performance , and in the Health and Retirement Study the subjects with the highest BMI tended to have the best cognitive function scores . Other authors also observed in a longitudinal setting that BMI reduction was associated with cognitive decline .…”

Section: Discussionmentioning

confidence: 94%

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Body fat and the cognitive pattern: A population-based study

Tikhonoff

Casíglia

Guidotti

et al. 2015

Obesity

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Objective:The relationship between body fatness and cognitive pattern at a population level was investigated. Methods: Among 500 unselected subjects from the general population, the role of body mass index (BMI) and body fat mass (BFM) on a mini-mental state examination (MMSE) and on a battery of paper and pencil neuropsychological tests was analyzed. Multiple linear regressions, accounting for potential confounders, were used. Results: In fully adjusted models, MMSE (coefficient 10.027, 95% confidence intervals, 0.017-0.177), the clock drawing test (10.141, 0.053-0.226), and the trail making test A (11.542, 0.478-2.607) were positively associated with BMI. Adding BFM to the models, no associations were observed. The tests were also positively associated with BFM (10.056, 0.021-0.091; 10.063, 0.025-0.101; 10.592, 0.107-1.077; respectively). At analysis of covariance, the same tests were significantly better performed over 29.4 kg m 22 of BMI. After adding BFM as further confounder, all differences in performance across BMI were no longer significant. The three tests were better performed over 34.6 kg of BFM. Conclusions: Higher BMI and particularly higher BFM are positively associated with better performance at the cognitive tasks exploring selective attention and executive functions.

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Section: Discussionmentioning

confidence: 94%

“…From the literature, conflicting results emerge. Some authors found overweight or weight gain to be associated with worse and others with better cognitive abilities . In other cases, BMI was not a determinant of cognition , or the association between the two items was U‐shaped .…”

Section: Introductionmentioning

confidence: 99%

Body fat and the cognitive pattern: A population-based study

Tikhonoff

Casíglia

Guidotti

et al. 2015

Obesity

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“…But, in the middle-income countries, the association was mixed for men, whereas women with higher SES were less likely to be overweight or obese. Racial/ethnic differences can influence the relationship of obesity with SRH status [ 14 , 41 , 42 ]. Whites showed negative relationship between SRH status and BMI, whereas Blacks showed positive relationship between SRH status and BMI.…”

Section: Discussionmentioning

confidence: 99%

Body mass index and self-rated health in East Asian countries: Comparison among South Korea, China, Japan, and Taiwan

et al. 2017

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There have been conflicting findings regarding the relationship between body mass index (BMI) and self-rated health (SRH) worldwide. The purpose of this study was to examine the association between BMI and SRH by comparing its relationship in four East Asian countries: South Korea, China, Japan, and Taiwan. Using data from the East Asian Social Survey, the relationship between weight status and SRH status was investigated and compared between four countries, China, Japan, South Korea, and Taiwan. An ordinal logit regression model was estimated for each country, and the results were compared. We found that the relationship between weight status and SRH status differed across the four countries. In China, people who were overweight reported better SRH scores than those of normal weight, whereas in Japan, obese and severely obese people reported poor scores. In contrast, South Koreans who were underweight, obese, or severely obese reported poor ratings of health status than those of normal weight. In Taiwan, however, no differences in respondents’ weight status were found across SRH scores. There were notable differences in the relationship between BMI and SRH status in four East Asian countries. Individual countries should consider these relationships when designing and implementing obesity intervention programs.

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“…Cognitive health was assessed with tasks that measured memory and mental status (28, 29). For the memory task, participants were given a list of 10 words that they recalled immediately and after a five-minute delay.…”

Section: Methodsmentioning

confidence: 99%

Perceived Discrimination and Physical, Cognitive, and Emotional Health in Older Adulthood

Sutin

Stéphan

Carretta

et al. 2015

The American Journal of Geriatric Psychiatry

145

150

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Objective To examine whether perceived discrimination based on multiple personal characteristics is associated with physical, emotional, and cognitive health concurrently, prospectively, and with change in health over time among older adults. Design : Longitudinal Setting Health and Retirement Study (HRS) Participants Participants (N=7,622) who completed the Leave-Behind Questionnaire as part of the 2006 HRS assessment (mean age 67); participants (n=6,450) completed the same health measures again in 2010. Measurements Participants rated their everyday experience with discrimination and attributed those experiences to eight personal characteristics: race, ancestry, sex, age, weight, physical disability, appearance, and/or sexual orientation. At both the 2006 and 2010 assessments, participants completed measures of physical health (subjective health, disease burden), emotional health (life satisfaction, loneliness), and cognitive health (memory, mental status). Results Discrimination based on age, weight, physical disability, and appearance was associated with poor subjective health, greater disease burden, lower life satisfaction and greater loneliness at both assessments and with declines in health across the four years. Discrimination based on race, ancestry, sex, and sexual orientation was associated with greater loneliness at both time points, but not with change over time. Discrimination was mostly unrelated to cognitive health. Conclusions The detrimental effect of discrimination on physical and emotional health is not limited to young adulthood but continues to contribute to health and well-being in old age. These effects were driven primarily by discrimination based on personal characteristics that change over time (e.g., age, weight) rather than discrimination based on more stable characteristics (e.g., race, sex).

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Racial/Ethnic Variations in the Relation Between Body Mass Index and Cognitive Function Among Older Adults

Cited by 19 publications

References 37 publications

Body fat and the cognitive pattern: A population-based study

Body fat and the cognitive pattern: A population-based study

Body mass index and self-rated health in East Asian countries: Comparison among South Korea, China, Japan, and Taiwan

Perceived Discrimination and Physical, Cognitive, and Emotional Health in Older Adulthood

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