Association between handgrip strength and cognitive impairment in elderly Koreans: a population-based cross-sectional study

Jang, Jae Yong; Kim, Jung-Hoon

doi:10.1589/jpts.27.3911

Cited by 61 publications

(72 citation statements)

References 31 publications

(35 reference statements)

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“…education background, handgrip strength, GDS and albumin) were significantly associated with MCI, indicating the validity of the participant population and data in the present study. [16][17][18] In terms of age, the present findings contradict the results of previous studies, as we observed a significantly lower incidence of MCI with increasing age. 18,19 In fact, although some reports have found no significant association between age and MCI, no study has shown a lower incidence of cognitive impairment with increasing age.…”

Section: Discussioncontrasting

confidence: 99%

“…Consistent with previous studies, we found that various factors (e.g. education background, handgrip strength, GDS and albumin) were significantly associated with MCI, indicating the validity of the participant population and data in the present study . In terms of age, the present findings contradict the results of previous studies, as we observed a significantly lower incidence of MCI with increasing age .…”

Section: Discussionsupporting

confidence: 87%

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Oral function as an indexing parameter for mild cognitive impairment in older adults

Watanabe

Arai

Hirano

et al. 2018

Geriatrics Gerontology Int

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Section: Discussioncontrasting

confidence: 99%

Section: Discussionsupporting

confidence: 87%

Oral function as an indexing parameter for mild cognitive impairment in older adults

Watanabe

Arai

Hirano

et al. 2018

Geriatrics Gerontology Int

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“…The KLoSA is an ongoing nationwide cohort study of a nationally representative sample of Korean adults aged ≥ 45 years. Details of the study participants, design and methods used in KLoSA are reported in our previous study (Jang and Kim 2015). In brief, the KLoSA aims to obtain fundamental data that can be used to inform and establish social and economic policies in an ageing society (KEIS, Korea Employment Information Service 2015).…”

Section: Study Populationmentioning

confidence: 99%

“…The MMSE comprises 11 questions covering five areas of cognitive function such as orientation in time and place, registration of three objects, attention and calculation, memory (recall of three words), and language (Folstein et al 1975, Kim et al 2003. We defined normal cognitive function as having an MMSE ≥ 24 and cognitive dysfunction as an MMSE < 24 (Jang and Kim 2015).…”

Section: Cognitive Function Measurementioning

confidence: 99%

Prospective Association of Handgrip Strength with Risk of New-Onset Cognitive Dysfunction in Korean Adults: A 6-Year National Cohort Study

Jeong

Kim

2018

Tohoku J. Exp. Med.

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Dementia is one of the priority public health problems in the older population, and the number of people with dementia is steadily increasing. The longitudinal association of muscle strength with risk of new-onset cognitive dysfunction in a general population including middle and older adults remains unknown. The purpose of this study was to investigate the effects of low muscle strength on risk for new-onset cognitive dysfunction over 6 years using a large nationwide sample of cognitively healthy adults. Study participants included 6,435 middle and older adults (33,554 person-years of follow-up), using data from the Korean Longitudinal Study of Ageing 2006-2012. Muscular strength was measured using the maximum handgrip strength of each participant as an index of muscle quality. Low muscle strength was defined as one standard deviation below the mean using the handgrip strength index based on the study population. Cognitive function was evaluated using the Mini-Mental Status Evaluation. The hazard ratio (HR) for cognitive dysfunction significantly and linearly increased according to muscle strength status independent of potential confounding factors (HR: 1.36, 95% confidence interval [CI]: 1.18-1.56 for low vs. normal-high group). Using stratified analyses, a significant association between muscle strength status and risk of cognitive impairment was observed in those with low physical activity, but not those with high physical activity. We show that handgrip strength is associated with increased risk of new-onset cognitive dysfunction over 6 years of follow-up in cognitively healthy middle aged and older adults at baseline.

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“…The K-MMSE comprises five areas, including registration, orientation, memory, attention and calculation, and language [13,14]. We categorized subjects into normal cognitive (K-MMSE ≥ 24) and cognitive dysfunction (K-MMSE < 24) groups [15].…”

Section: Cognitive Functionmentioning

confidence: 99%

Association between Physical Activity and Cognitive Dysfunction in the Korean: A Cross-sectional Study

Jeong

Jang

2017

Exerc Med

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The cognitive functional decline is observed in most elderly people. Previous epidemiological studies suggested that cognitive decline is associated with development of dementia. Annually, 10-15% of older people with mild cognitive impairment progress to dementia compared with 1-2% of older people with normal cognition [2,3]. Previous studies suggests that higher physical activity are associated with prevention of the decline in cognitive function and reduced risk of dementia with aging [4][5][6]. In addition, changes in physical activity may contribute to age-related changes in biological vitality and physical function. Moreover, higher levels of physical activity is associated with a decreased risk of cardiovascular disease, all-cause and cardiovascular mortality, physical function decline, and frailty [7][8][9][10]. Therefore, physical activity may also have an effect on the risk of cognitive dysfunction.Previous studies have investigated the association between physical activity and cognitive functions. However, only a few examined the associations between physical activity and cognitive function in the Korean population. Additionally, to our knowledge, physical activity level recommended by current guidelines for Korean adults has not been reported as a potential predictor of cognitive OBJECTIVES:This study aimed to investigate the association of physical activity and cognitive function in the Korean population. METHODS: This study included 9,177 adults aged 45 years and older who completed the baseline survey of the Korean Longitudinal Study of Ageing. Physical activity was assessed using a questionnaire. Cognitive function was assessed using the Mini Mental Status Evaluation. RESULTS: The odds ratio for the cognitive dysfunction was significantly and linearly decreased according to the levels of physical activity independent of confounding factors. We also found consistent results when investigated these associations using stratified model by sex and age groups. CONCLUSIONS: Our findings suggest that physical activity is associated with lower risk of cognitive dysfunction in the middle-aged and older Korean adults. ABSTRACT KEY

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Association between handgrip strength and cognitive impairment in elderly Koreans: a population-based cross-sectional study

Cited by 61 publications

References 31 publications

Oral function as an indexing parameter for mild cognitive impairment in older adults

Oral function as an indexing parameter for mild cognitive impairment in older adults

Prospective Association of Handgrip Strength with Risk of New-Onset Cognitive Dysfunction in Korean Adults: A 6-Year National Cohort Study

Association between Physical Activity and Cognitive Dysfunction in the Korean: A Cross-sectional Study

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