Inatividade física em idosos não institucionalizados: estudo de base populacionalPhysical inactivity among non-institutionalized elderly individuals: a population-based study
This study investigated the accuracy and precision of the Accutrend Plus system to determine blood glucose, total cholesterol, and plasma triglycerides in adults and evaluated its efficiency in measuring these blood variables. The sample consisted of 53 subjects (≥ 18 years). For blood variable laboratory determination, venous blood samples were collected and processed in a Labmax 240 analyzer. To measure blood variables with the Accutrend Plus system, samples of capillary blood were collected. In the analysis, the following tests were included: Wilcoxon and Student's t-tests for paired samples, Lin's concordance coefficient, Bland-Altman method, receiver operating characteristic curve, McNemar test, and k statistics. The results show that the Accutrend Plus system provided significantly higher values (p ≤ .05) of glucose and triglycerides but not of total cholesterol (p > .05) as compared to the values determined in the laboratory. However, the system showed good reproducibility (Lin's coefficient: glucose = .958, triglycerides = .992, total cholesterol = .940) and high concordance with the laboratory method (Lin's coefficient: glucose = .952, triglycerides = .990, total cholesterol = .944) and high sensitivity (glucose = 80.0%, triglycerides = 90.5%, total cholesterol = 84.4%) and specificity (glucose = 100.0%, triglycerides = 96.9%, total cholesterol = 95.2%) in the discrimination of high values of the three blood variables analyzed. It could be concluded that despite the tendency to overestimate glucose and triglyceride levels, a portable multi-analyzer is a valid alternative for the monitoring of metabolic disorders and cardiovascular risk factors.
The study objectives were to investigate the indicators of obesity most associated with high blood pressure in community-dwelling elderly and identify among these which one best discriminates high blood pressure. This is an epidemiological, population, cross-sectional and home-based study of elderly people (≥ 60 years, n = 316) residing in northeastern Brazil. The results showed that the body mass index and the body adiposity index were the indicators more closely associated with high blood pressure in both sexes. Both in female and male genders, body mass index showed high values of specificity and low sensitivity values for discriminating high blood pressure, whereas the body adiposity index showed high sensitivity and moderate specificity values. In clinical practice and health surveillance, it is suggested that both indicators be used as screening tools for hypertension in the elderly.
-The aim of this study was to analyze the association between diseases and chronic health conditions, multimorbidity and body mass index (BMI) in older adults from southern Brazil. Epidemiological cross-sectional study, with household basis was carried out with 343 older adults aged 60-79 years, selected by probability sampling and all aged 80 years or older (n=134). Hypertension, diabetes, cancer, chronic pulmonary diseases, coronary heart disease, cerebrovascular disease, arthritis, osteoporosis, depression, history of falls and dependency in activities of the daily living were assessed by self-report. Associations between independent variables and BMI (outcome) were tested using simple and multiple linear regression. Participated in the study 270 women (73.2±8.8 years) and 207 men (73.3±9.0 years). After adjustment (age, education, living arrangement, smoking, alcohol consumption, waist circumference, cognitive status and all other disease and chronic health conditions), the associations identified were: hypertension with higher BMI values (β 3.43; 95%CI: 2.38 to 4.48), for women, and chronic pulmonary disease with lower BMI values (β -2.05; 95%CI: -3.50 to -0.60). There was a linear trend between number of diseases and BMI for both sexes. Conclusion: The results showed an independent association between specific chronic diseases and BMI. Monitoring of nutritional status in older adults is important to identify extreme BMI values, especially those with more than two diseases and chronic health conditions. Key words: Aging; Body weight; Chronic diseases. (β 3,43; IC95%: 2,38 a 4,48), para as mulheres e; doença crônica pulmonar e menores valores 05;60 Resumo -O estudo teve como objetivo analisar a associação entre doenças e condições crônicas de saúde, multimorbidade e índice de massa corporal (IMC) em idosos do sul do Brasil. Estudo epidemiológico transversal, de base domiciliar. Foram entrevistados 477 pessoas, sendo 343 de 60 a 79 anos (amostragem probabilística) e todos aqueles com 80 anos ou mais (n=134
Introdução: A funcionalidade tornou-se um fator determinante no processo de envelhecimento, tendo em vista que a manutenção da realização das atividades está associada a um envelhecimento saudável. Objetivo: Analisar a prevalência e fatores associados à incapacidade funcional em idosos residentes em comunidade. Metodologia: Trata-se de um estudo epidemiológico, transversal, de base populacional, aninhado uma coorte de idosos. Os dados foram obtidos através de compilação de instrumentos validados contendo informações sociodemográficas, doenças autorreferidas, sintomatologia depressiva, nível de atividade física, hábitos de vida, índice de massa corporal, e dependência/independência. Para análise das variáveis utilizou-se o teste qui-quadrado (x2) e para as variáveis que obtiveram p
The aging process is continuous and irreversible and is characterized by physiological and structural alterations and changes in body composition. The aim of this study was to report anthropometric reference values for community-dwelling older adults from northeastern Brazilaccording to gender and age group. This cross-sectional study used data from an epidemiological population-based study involving 316 older adults. The following measures and anthropometric indicators were evaluated: weight, height, body mass index (BMI), triceps skinfold (TSF), waist circumference, arm circumference, calf circumference, and arm muscle circumference (AMC). All data are reported as means, standard deviations, and percentiles. Comparisons between age groups were performed using one-way ANOVA. The study included 173 women (54.7%) and 143 men (45.3%). Body weight and BMI were higher in younger women (60-64 years) compared to older ones (80 years or older). Arm circumference, TSF and AMC were lower in women aged ≥ 75 years compared to women aged 60-64 years. For men, arm circumference and AMC were lower in the oldest age group (≥ 80 years) compared to the youngest group (60 to 74 years). These differences were significant. The present study indicates that changes in body measures occur differently between genders with advancing age. The reduction in muscle mass and body fat is more prominent in women than in men and anthropometric changes are more noticeable in the older age group.
Analisar os fatores associados à ocorrência de quedas em idosos residentes em comunidade. Trata-se de um estudo epidemiológico, transversal, de base populacional. Obtiveram-se informações sociodemográficas, nível de atividade física, funcionalidade, quedas, índice de massa corporal e concentração de vitamina D. Participaram do estudo 289 idosos, tendo a hipovitaminose D associada à ocorrência de quedas. Os achados servem de subsídios para o planejamento de ações, as quais possibilitem melhores condições de saúde à população idosa.
O estudo teve como objetivo identificar os fatores de risco cardiovascular associados à dinapenia em idosos. Trata-se de uma pesquisa epidemiológica, transversal, realizada com idosos de Aiquara-BA. Os fatores de risco cardiovascular avaliados foram: sexo, grupo etário, etnia, nível de atividade física, circunferência da cintura, relação cintura-quadril, índice de adiposidade corporal, nível de glicemia sanguínea e perfil lipídico (triglicerídeos; colesterol total; High-Density Lipoprotein cholesterol – HDL-c e Low-Density Lipoprotein cholesterol – LDL-c). O diagnóstico da dinapenia foi realizado, estratificado por sexo, a partir dos seguintes valores de força de preensão manual: 24,87 kgf (homens) e 18,25 kgf (mulheres). A análise associativa foi verificada por meio do teste qui-quadrado de Person. Contudo, para as frequências esperadas menores que cinco (n < 5) foi utilizado o teste Exato de Fisher. O nível de significância adotado em todas as análises foi de 5,0% (p ≤ 0,05). Participaram do estudo 109 idosos (55,0% mulheres), com média de idade de 71,0 ± 7,4. O percentual de idosos hipertensos foi de 45,0%, fumantes ou ex-fumantes 65,0%, insuficientemente ativos 17,1%, com elevada circunferência da cintura 46,8%, relação cintura-quadril elevada 67,0%, obesos 44,0%, com diabetes mellitus 20,4%, hipercolesterolemia 59,3%, com baixo HDL-c 36,5% e LDL-c elevado 44,0%. A prevalência da dinapenia foi de 24,8% (mulheres, 25,0% e homens, 24,5%). Ademais, averiguou-se maior prevalência de dinapenia nos longevos (50,0%) e nos insuficientemente ativos (55,6%) (p < 0,05). Conclui-se que, entre os idosos residentes em Aiquara-BA, o nível de atividade física insuficiente e a idade avançada estiveram associados à dinapenia.
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