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Background: Aging is accompanied by a drop in the level of health and autonomy, within Western countries more and more people being cared for in nursing homes (NH). The nutritional data in NH in France remain poor, not exhaustive and not representative. The objective of the study was to assess the nutritional status, dementia and mobility patterns among residents of NH in the Limousin territory of France., Methods: The study was cross-sectional, descriptive and exhaustive, conducted with the residents of 13 voluntary NH. Undernutrition was identified using French High Authority for Health criteria, and obesity if Body Mass Index >30, in the absence undernutrition criterion. The Mini Mental State examination scores was used for dementia assessment at the threshold of 24. The Mini Nutritional AssessmentTM was used for mobilitity assessment. The statistics were significant at the 5% threshold., Results: 866 residents (70.6% women) included with an average age of 85.3 ± 9.3 years. Undernutrition was 27.5%, obesity 22.9%, dementia 45.7% and very low mobility 68.9%. Women were older than men, more often undernourished, more often demented and more often had very low mobility (p<0.01). Undernutrition (p<0.0001) and low mobility (p<0.0001) were significantly higher among those with dementia versus those without dementia. Very low mobility was higher among undernourished (p<0.05)., Conclusions: Undernutrition and obesity are important problems in NH in France. Being a woman, having dementia and having a very low mobility may induce undernutrition., Competing Interests: No authors have competing interests

Background: Nutritional status among elderly people living in Sub-Saharan Africa is poorly studied, even though undernutrition and obesity are known to cause many complications and are risk factors for progression and death in several diseases. The aims of this study were to assess the nutritional status of the elderly in Central Africa and to study the factors associated with nutritional disorders (undernutrition and obesity)., Methods: Two cross-sectional population-based studies were carried out in the capitals of Central African Republic (CAR) and Republic of Congo (ROC) between 2008 and 2009. Participants were aged ≥65 years old and underwent nutritional assessment including the following measurements: weight, height, body mass index (BMI), waist circumference (WC). Diet was also investigated. Nutritional status was defined according to the WHO BMI classification (<18.5 = undernutrition; ≥30 = obesity). Multinomial regression analysis was performed in order to identify factors associated with nutritional status., Results: 990 elderly people underwent nutritional assessment (482 in CAR and 508 in ROC). Mean BMI was 22.7 ± 4.8 kg/m 2 . The prevalence of undernutrition was 19.2% and was lower in ROC than in CAR (9.5% vs. 29.5%; p < 0.0001). The prevalence of obesity was 8.8% and was higher in ROC than in CAR (14.6% vs. 2.7%; p < 0.0001). The mean WC was 85.3 ± 28.4 cm. Adjusted on study site, increasing age (OR = 1.6 [95% CI: 1.1-2.3] for 75-84 years, OR = 2.6 [95% CI: 1.4-4.8] for 85+ years), occupation as farmer/breeder (OR = 2.2 [95% CI: 1.1-4.2]), smoking (OR = 1.71 [95% CI: 1.14-2.56]) and low sugar consumption (OR = 1.7 [95% CI: 1.1-2.7]) were positively associated with undernutrition whereas only female sex was positively associated with obesity (OR = 5.0 [95% CI: 2.2-11.0])., Conclusions: The prevalence of undernutrition is high in the elderly population of these countries, in contrast to obesity. Undernutrition and obesity are associated with different socio-economic factors and food consumption. Simple nutritional advice could contribute to improving the nutritional status of elderly people in Central Africa., (Copyright © 2017 European Society for Clinical Nutrition and Metabolism. All rights reserved.)

Several studies in Western countries have shown an association between cognitive disorders and low BMI or weight loss in elderly people. However, few data are available in Africa. We analysed the association between cognitive disorders and undernutrition among elderly people in Central Africa. A cross-sectional, multicentre, population-based study using a two-phase design was carried out in subjects aged 65 years and above in the Central African Republic (CAR) and the Republic of Congo (ROC). All subjects were interviewed using the Community Screening Interview for Dementia, and those with low performance were clinically assessed by a neurologist and underwent further psychometrical tests. Diagnostic and Statistical Manual-IV and Petersen's criteria were required for the diagnoses of dementia and mild cognitive impairment (MCI), respectively. Undernutrition was evaluated using mid-upper arm circumference (MUAC) < 24 cm, BMI < 18.5 kg/m(2) and arm muscular circumference (AMC) < 5th percentile. Multivariate binary logistic regression models were used to estimate the associations. In CAR, MCI was associated with MUAC < 24 cm (OR 0.7, 95% CI 0.4, 1.0) and dementia with BMI < 18.5 kg/m(2) (OR 2.3, 95% CI 1.6, 3.1), AMC < 5th percentile (OR 2.3, 95% CI 1.1, 4.6) and MUAC < 24 cm (OR 1.8, 95% CI 1.4, 2.4). In ROC, both MCI and dementia were associated with all markers of undernutrition, but only AMC < 5th percentile was significantly associated with MCI (OR 3.1, 95% CI 1.9, 4.8). In conclusion, cognitive disorders were associated with undernutrition. However, further studies are needed to elucidate the relationship between MCI and undernutrition in CAR.

Objectives: To determine the nutritional status of elderly African people and to investigate the association between undernutrition and dementia., Design: Door-to-door cross-sectional surveys in the general population., Setting: Representative districts of Bangui (Central African Republic) and Brazzaville (Republic of Congo)., Participants: Population aged over 65 years., Measurement: Undernutrition was defined as a body mass index <18.5. Anthropometric parameters (arm circumference, waist circumference and triceps skinfold thickness) were measured, and information was gathered on nutritional habits. PARTICIPANTS underwent cognitive screening using the Community Screening Interview for Dementia (CSI-D) and the Five-Word Test. After further neuropsychological testing and neurological examination, the diagnosis of dementia was confirmed according to DSM-IV criteria. Multivariate logistic regression models were applied in order to identify factors associated with undernutrition in populations with or without dementia., Results: 1016 people were included. In the general population, the prevalence of undernutrition was 19.2%. Dementia was found in 7.4% of elderly people. Compared with healthy people, patients with dementia had an increased prevalence of undernutrition (32.0% vs. 17.7%; p = 0.002), lower weight (49.3 ± 10.5 kg vs. 58.4 ± 13.5 kg ; p < 0.001), and lower BMI (20.8 ± 4.1 vs. 22.9 ± 4.8 ; p < 0.001); they were less likely to eat their fill (38.9% vs. 45.9% ; p = 0.001), had more dietary restrictions (36.1% vs. 24.3% ; p = 0.03) and ate less often with their family (66.7% vs. 90.6% ; p < 0.0001). Eating only one meal per day was the sole factor associated with undernutrition in dementia (OR: 7.23 [CI: 1.65-31.7]; p = 0.03)., Conclusion: The prevalence of undernutrition is high in the older population. The nutritional status of patients with dementia is more impaired than that of healthy patients. However, they are less often malnourished than in French home care settings. This study is the first to look at the nutritional status of at-home patients with dementia in Africa. These comparative data will eventually be used in the development of new nutritional intervention strategies.

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