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1.
J Aging Phys Act ; 32(2): 225-235, 2024 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-38134899

RESUMO

Knowledge of how the different types of sedentary behaviors (SB) are associated with functional limitations can guide professionals who work with older adults on better recommendations about the amount of daily time that should be encouraged in each type of SB. The objective was to estimate the associations between two SB typologies (SB television [TV] and SB computer/internet) and the presence of handgrip strength, lower limb strength, gait speed, and balance limitations in Brazilian community-dwelling older adults. This is a cross-sectional study with 1,298 community-dwelling older adults (≥60 years). SB was assessed by self-reporting daily time spent watching TV or using computer/internet (categorized into <2, 3-4, and ≥5 hr/day). Outcomes were handgrip strength, lower limb strength, gait speed, and balance limitations considering referenced cutoff points. Older adults in SB TV ≥5 hr/day had 1.75 (95% confidence interval [CI] [1.07, 2.86]) and 1.88 (95% CI [1.02, 3.46]) times more chances of handgrip strength and gait speed limitations, respectively. On the other hand, those who spent 3-4 and ≥5 hr/day in SB computer/internet had 0.45 (95% CI [0.20, 0.99]) and 0.37 (95% CI [0.15, 0.93]) had less chances of lower limb strength and balance limitations, respectively. In conclusion, functional limitations would be associated differently depending on the type of SB in the older adults sampled.


Assuntos
Comportamento Sedentário , Velocidade de Caminhada , Humanos , Idoso , Velocidade de Caminhada/fisiologia , Força da Mão , Vida Independente , Estudos Transversais , Força Muscular/fisiologia
2.
Int J Audiol ; 62(8): 787-794, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-35758100

RESUMO

OBJECTIVE: To investigate whether cognitive impairment precedes self-reported poor hearing in adults aged 50 and older over a 14-year period. DESIGN: Biennial longitudinal study. STUDY SAMPLE: The data came from the English Longitudinal Study of Ageing carried out in England between 2002 and 2016, with 11,391 individuals aged 50 years and older. For this study, ELSA participants who had a positive perception of hearing at the beginning of the analysis in 2002 (n = 8,895) were eligible. The dependent variable was self-reported poor hearing, and the exposure measure was cognitive impairment. The analyses were performed using Generalised Estimation Equations and adjusted for gender, age, educational level, household wealth, smoking, alcohol consumption, depressive symptoms, ADL/IADL disability, physical activity level, diabetes, and cardiovascular disease. RESULTS: The results showed 33% increased odds of self-reported poor hearing in individuals with cognitive impairment. In the fully adjusted model, individuals who presented cognitive impairment in the previous wave had, over time, 10% increased odds (95% CI: 1.02; 1.19) of presenting self-reported poor hearing. CONCLUSIONS: The exposure to cognitive impairment was associated with a subsequent self-reported poor hearing. These data represent important tools for improving cognitive and hearing impairment diagnosis and treatment.


Assuntos
Envelhecimento , Disfunção Cognitiva , Humanos , Pessoa de Meia-Idade , Idoso , Estudos Longitudinais , Autorrelato , Disfunção Cognitiva/diagnóstico , Disfunção Cognitiva/epidemiologia , Audição
3.
J Aging Phys Act ; 31(6): 956-964, 2023 12 01.
Artigo em Inglês | MEDLINE | ID: mdl-37263594

RESUMO

This study aimed to examine the relationship between Walk Score index with walking to commuting, moderate-to-vigorous physical activity, and screen time in older adults. Georeferenced addresses were entered into the Walk Score platform. Walking to commute and moderate-to-vigorous physical activity were assessed using the International Physical Activity Questionnaire and categorized according to the World Health Organization recommendations. Screen time was analyzed through self-reported time watching television/being on the computer. We used binary logistic regression to estimate the association between variables. Older adults who lived in places with higher Walk Score had a higher prevalence of walking to commuting (odds ratio = 1.73; 95% confidence interval [1.18, 2.55]) and engaging in moderate-to-vigorous physical activity (odds ratio = 1.76; 95% confidence interval [1.05, 2.98]). A relationship also was observed between higher Walk Score and more time in screen time (odds ratio = 1.67; 95% confidence interval [1.19, 2.34]). The results showed that residing in a more walkable neighborhood increased the chances of the older adults spending 3 hr or more in front of a screen.


Assuntos
Exercício Físico , Tempo de Tela , Humanos , Idoso , Brasil , Caminhada , Autorrelato , Características de Residência , Planejamento Ambiental
4.
Prev Med ; 154: 106904, 2022 01.
Artigo em Inglês | MEDLINE | ID: mdl-34863810

RESUMO

This study aims to estimate the effect of internet use on the incidence of cognitive impairment in older adults. Data are from the EpiFloripa Aging Cohort Study which has been following a population-based sample of older adults (60+) residing in Florianópolis, southern Brazil, for ten years. The outcome was the incidence of cognitive decline in follow-up waves measured by the Mini-Mental State Examination using cutoff points according to education. The exposure was internet use according to wave (yes/no). We excluded individuals with cognitive impairment from Wave 1 (n = 453). We used a longitudinal analysis model (Generalized Estimating Equations) to estimate incidence rate ratios (IRR) with 95% confidence intervals. We estimated the risk of cognitive impairment in Wave 2 or Wave 3 according to internet use in the previous wave. The incidence of cognitive impairment was 13.4% in Wave 2 and 13.3% in Wave 3. Despite the aging of this cohort, the prevalence of internet users increased from 26.4% in Wave 1 to 32.8% in Wave 2 and 46.8% in Wave 3. The risk of cognitive impairment in Wave 2 or Wave 3 was 70% lower for older adults who used the internet in the previous wave, adjusted for sex, age, years of education, household income, and self-reported comorbidities (IRR = 0.30; 95% CI: 0.15-0.61; p = 0.001). Internet use was associated with a decline in the incidence of cognitive impairment among older adults living in the urban areas of southern Brazil after a period of ten years.


Assuntos
Disfunção Cognitiva , Uso da Internet , Idoso , Envelhecimento/psicologia , Disfunção Cognitiva/epidemiologia , Estudos de Coortes , Humanos , Incidência , Estudos Longitudinais
5.
Public Health Nutr ; 25(9): 2507-2516, 2022 09.
Artigo em Inglês | MEDLINE | ID: mdl-34689855

RESUMO

OBJECTIVE: To investigate the association between serum vitamin D (25-hydroxy-cholecalciferol) (25(OH)D) concentrations and cognitive impairment in older adults living in Southern Brazil. DESIGN: Cross-sectional analysis using data from the second follow-up wave of the populational-based EpiFloripa Aging Cohort Study was collected in 2013-2014. SETTING: Cognitive impairment was evaluated using the Mini-Mental State Examination (MMSE). Blood samples were collected to measure serum vitamin D concentrations using a chemiluminescent microparticle immunoassay. Vitamin D concentrations were distributed in quartiles (Q1: 4·0-20·7 ng/ml; Q2: 20·8-26·6 ng/ml; Q3: 26·7-32·0 ng/ml and Q4: 32·1-60·1 ng/ml), and its association with cognitive impairment was tested by crude and adjusted logistic regression (sociodemographic, behavioural and health aspects) using Q4 as a reference group. PARTICIPANTS: 200 men and 371 women aged 60 years or older participated in this study. RESULTS: The prevalence of probable cognitive impairment was 21·7 %. Those without cognitive impairment had a higher mean of vitamin D serum concentrations (26·8 v. 24·6, P = 0·014). In the crude analysis, only individuals in Q2 of vitamin D presented an increased risk for probable cognitive impairment compared with Q4 (highest quartile) (OR 2·65, 95 % CI 1·46, 4·81), remaining significant in the adjusted analysis (OR 6·04, 95 % CI 2·78, 13·13). While Q1 (lowest quartile) was not associated in the crude analysis, but when adjusted, an increased risk of cognitive impairment was observed. CONCLUSION: The lowest quartile of vitamin D was directly associated with probable cognitive impairment in older adults in Southern Brazil. More studies are needed to investigate whether maintaining adequate serum levels may represent a significant factor in preventing age-related neurological disorders as well as to verify the need for new cutoff points for this age group.


Assuntos
Disfunção Cognitiva , Deficiência de Vitamina D , Idoso , Calcifediol , Disfunção Cognitiva/epidemiologia , Estudos de Coortes , Estudos Transversais , Feminino , Humanos , Masculino , Vitamina D , Deficiência de Vitamina D/epidemiologia , Vitaminas
6.
Aging Ment Health ; 26(10): 1979-1987, 2022 10.
Artigo em Inglês | MEDLINE | ID: mdl-34405737

RESUMO

OBJECTIVES: To analyze the effect of a comprehensive program of cognitive stimulation with digital inclusion, physical activity and social interaction, called "Oficina da Lembrança" (OL), on the cognitive status and concentration of biomarkers of neuroplasticity, neurodegeneration in adults aged 50 years and over attending a Memory Clinic. METHODS: In this pilot randomized controlled study, 64 patients without dementia aged 45 to 79 years, seen at a University Memory Clinic in Southern Brazil, were randomly allocated to the intervention and control groups. The intervention consisted of participation in OL for 12 weeks. Serum biomarkers (brain-derived neurotrophic factor [BDNF], S100ß, and neuron-specific enolase [NSE]) and cognitive status were analyzed as primary and secondary outcomes. The Wilcoxon test and Generalized Estimating Equations (GEE) were applied. RESULTS: Of the 64 patients invited to participate in the study, 33 (intervention: 17, control: 16) completed the study with all data. Improvement of cognitive status was significant in the intervention group (22.6 to 24.5) but not in the control group (20.1 to 21.1). There was a significant reduction of BDNF in OL participants, but no significant change was observed in the neurodegenerative biomarkers S100ß or NSE. The concentration of BDNF decreased significantly post-OL in the intervention group (-288.1, 95%CI -362.1 to -94.1), even after adjusting for sex, age, and educational level. Cognitive status was significantly improved in OL participants. CONCLUSION: The OL program improved cognitive status, reduced serum BDNF levels, and empowered digitally excluded older adults. There was no effect of this intervention on S100ß or NSE. CLINICAL TRIAL REGISTRATION: This study has a Universal Trial Number (UTN) U1111-1195-2642 and was registered in the Brazilian Clinical Trials Registry (ReBEC), number RBR-38X665.


Assuntos
Fator Neurotrófico Derivado do Encéfalo , Interação Social , Idoso , Biomarcadores , Cognição , Exercício Físico , Humanos , Pessoa de Meia-Idade , Projetos Piloto , Resultado do Tratamento
7.
J Aging Phys Act ; 30(2): 323-331, 2022 04 01.
Artigo em Inglês | MEDLINE | ID: mdl-34453023

RESUMO

The aim of this study was to examine, theoretically, how reallocating time between the intensity of mutually exclusive categories of physical activity and sedentary behavior time is associated with metabolic syndrome. Four hundred and six older adults (61.6% women) from the second wave of the EpiFloripa Aging Cohort Study were included in the study (mean age 71.7 ± 5.9 years). Isotemporal substitution analysis showed a decrease of 35% (odds ratio: 0.65; 95% confidence interval [0.45, 0.96]) in the risk for metabolic syndrome when replacing 30 min/day of sedentary behavior with an equivalent amount of moderate to vigorous physical activity. Furthermore, it has been observed that older adults classified as low sedentary behavior and physically active were 57% less likely to have metabolic syndrome than participants classified as high sedentary and physically inactive (odds ratio: 0.43; 95% confidence interval [0.19, 0.97]). This study highlights the importance of behavioral categories that may emerge concerning the interrelationships of physical activity and health in older adults, having important implications for future health intervention programs.


Assuntos
Síndrome Metabólica , Comportamento Sedentário , Acelerometria , Idoso , Estudos de Coortes , Estudos Transversais , Exercício Físico , Feminino , Humanos , Masculino , Síndrome Metabólica/epidemiologia
8.
J Aging Phys Act ; 30(1): 107-113, 2022 02 01.
Artigo em Inglês | MEDLINE | ID: mdl-34453012

RESUMO

This study described the clustering patterns of moderate to vigorous physical activity and sedentary time (ST) according to handgrip strength and investigated the association between identified clusters of fat and lean mass in older adults from southern Brazil. Objective measures were used for moderate to vigorous physical activity, ST, and body composition outcomes. Two-step cluster and linear regression analyses were conducted according to handgrip strength. Three clusters were identified: all-day sitters, sitters, and active sitters. The prevalence of clusters in the low-strength group was 58.2%, 22.8%, and 19.0%, respectively, while the prevalence of clusters in the high-strength group was 42.1%, 34.8%, and 23.1%, respectively. All-day sitters had 2.6% more fat mass than active sitters with low strength. High levels of ST characterized all cluster profiles; low strength, lack of moderate to vigorous physical activity, and high ST levels among older adults may indicate a subpopulation at a greater risk of overweight and obesity-related diseases.


Assuntos
Força da Mão , Comportamento Sedentário , Idoso , Composição Corporal , Brasil/epidemiologia , Análise por Conglomerados , Estudos Transversais , Exercício Físico , Humanos
9.
Geriatr Nurs ; 48: 127-131, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36208539

RESUMO

Sedentary activities, such as watching television and using the computer, are frequent conditions in older adults and can be associated with sarcopenia. The objectives of this study were: (a) to establish sedentary behavior (SB) cutoff values for screening probable sarcopenia in community-dwelling older adults and (b) to verify the association between SB and probable sarcopenia according to the established cutoff point. This was a cross-sectional study including 1,165 community residents in Florianopolis/SC. SB was assessed using the International Physical Activity Questionnaire. The outcome was probable sarcopenia (assessed by time ≥ 15 s in the Five times sit-to-stand test). The cut-off points found for SB were time > 120 min/day [AUC: 0.54 (95%CI: 0.51; 0.57)] watching TV or video/DVD and ≤ 20 min/day [AUC: 0.59 (95%CI: 0.56;0.62)] using computer/internet. Older adults with SB had 1.30 (95% CI: 1.01; 1.66) and 1.46 (95% CI: 1.08; 1.96) greater chances of having sarcopenia, respectively.


Assuntos
Sarcopenia , Comportamento Sedentário , Humanos , Idoso , Estudos Transversais , Vida Independente
10.
J Aging Phys Act ; 29(4): 686-694, 2021 08 01.
Artigo em Inglês | MEDLINE | ID: mdl-33412517

RESUMO

This study aims to examine the association between neighborhood environment attributes and changes in walking for transportation among older adults. Longitudinal analysis was performed considering a population-based study (EpiFloripa Idoso), carried out in 2009-2010 with follow-up in 2013-2014. Changes in walking, obtained with the International Physical Activity Questionnaire during both waves were associated with data from the environment perception, evaluated using individual items from the Neighborhood Environment Walkability Scale (baseline only) performing multinomial logistic regression. A total of 1,162 older adults (65.2% women, mean age = 73.7 years) participated. Those who reported the presence of parks and squares (OR = 2.44, 95% confidence interval [CI; 1.70, 3.51]), sidewalks (OR = 1.66, 95% CI [1.03, 2.70]), crosswalks (OR = 1.69, 95% CI [1.05, 2.72]), illuminated streets (OR = 2.80, 95% CI [1.24, 6.33]), and safety for day walks (OR = 1.93, 95% CI [1.14, 3.24]) were more likely to remain active or become active when commuting (≥150 min/week). Older adults are more active in neighborhoods that present more favorable attributes regarding walking for transportation.


Assuntos
Planejamento Ambiental , Caminhada , Idoso , Estudos Transversais , Feminino , Humanos , Masculino , Características de Residência , Meios de Transporte
11.
Nutr J ; 19(1): 123, 2020 11 14.
Artigo em Inglês | MEDLINE | ID: mdl-33189154

RESUMO

BACKGROUND: Older adults are one of the most susceptible populations to depression, especially those living in low- and middle-income countries. As well, they are also considering a risk group for vitamin D deficiency. Low serum vitamin D has been associated with an increased risk of brain neuropsychiatry disorders. We aimed to investigate the association between serum 25-hydroxycholecalciferol concentrations and depressive symptoms in adults aged 60 years and over from southern Brazil. METHODS: A cross-sectional analysis was performed using data collected during 2013-2014 from the populational-based longitudinal EpiFloripa Aging Study (n = 1197). Serum 25-hydroxycholecalciferol concentrations were analyzed and classified according to the Endocrine Society reference values [sufficiency (≥ 30 ng/mL), insufficiency (21-29 ng/mL), and deficiency (≤ 20 ng/mL)]. Depressive symptoms were evaluated using the Geriatric Depression Scale (15-item GDS). Logistic regression was performed to assess depressive symptoms in each vitamin D category. The analysis was adjusted for sex, age, skin color, family income, leisure-time physical activities, social or religious groups attendance, morbidities, cognitive impairment, and dependence in activities of daily living. RESULTS: A total of 557 participants with complete data for exposure and outcome were enrolled in the analysis. Most of the sample participants were female (63.1%), age-range 60-69 years (42.2%), white skin color (85.1%), and vitamin D serum level samples were collected in autumn (50.7%). Depressive symptoms were present in 15.8% of the participants, and the prevalence was higher in individuals classified as deficient in vitamin D (23.2, 95% confidence interval [CI] = 15.6;32.9) and insufficiency (17.2, 95%CI = 11.0;25.9). The crude analysis showed that vitamin D deficient participants had 3.08 (CI = 1.53;6.20) times higher odds to present depressive symptoms compared to vitamin D sufficiency. After adjusting, the association was maintained [OR 2.27 (95%CI = 1.05;4.94). CONCLUSIONS: Serum 25-hydroxycholecalciferol deficiency was positively associated with depressive symptoms in older adults from southern Brazil.


Assuntos
Depressão , Deficiência de Vitamina D , Atividades Cotidianas , Idoso , Brasil , Calcifediol , Estudos Transversais , Depressão/epidemiologia , Feminino , Humanos , Pessoa de Meia-Idade , Vitamina D , Deficiência de Vitamina D/epidemiologia
12.
Aging Ment Health ; 24(3): 382-386, 2020 03.
Artigo em Inglês | MEDLINE | ID: mdl-30588826

RESUMO

Objective: To investigate the influence of instrumental activities of daily living (IADL) on cognitive impairment of the older adults' population in southern Brazil.Methods: A longitudinal, population-based and home-based study that evaluates the older adults population (60 years or older) living in the city of Florianópolis, Southern Brazil. The sample at the baseline (2009/2010) was composed by 1,702 older adults. Cognitive impairment and IADL disability were investigated. A multilevel logistic model was used, in which the analyzed variables were included as the first level and time (baseline and follow-up interviews) as the second level variable.Results: The prevalence of cognitive impairment increased from baseline to follow-up. There was an increase in the chance of the older adults presenting cognitive impairment among those with low (OR: 1.5, 95% CI: 1.0-2.3) and moderate/severe disability (OR: 3.2, 95% CI: 2.1-4.9). Adjusted probability of presenting the outcome almost doubled among those with mild disability, and were nearly four times higher among the older adults with moderate/severe disability when compared to those without disability.Conclusions: IADL disability can be considered an indicator of risk for clinical diagnosis of cognitive impairment. Its evaluation and follow-up are of paramount importance, especially in the older adults with mild disability, in order to avoid the progression of functional and cognitive impairment over time.


Assuntos
Atividades Cotidianas , Disfunção Cognitiva , Pessoas com Deficiência , Idoso , Brasil/epidemiologia , Disfunção Cognitiva/epidemiologia , Humanos , Modelos Logísticos
13.
Int J Vitam Nutr Res ; 90(3-4): 228-238, 2020 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-30789806

RESUMO

Introduction: According to the literature, education and income are determinants factors of diet quality and consequently of micronutrient intake. However, this association is still little known among adults who live in middle-income countries. Objective: To estimate energy and micronutrients intake by men and women living in a capital city in southern Brazil, according to education and income levels, and to identify prevalence of inadequate micronutrient intake according also to education and income levels. Method: This is a second wave cross-sectional analysis of a population-based longitudinal study, the EpiFloripa Adultos, including 1,222 individuals of 22-63 years. Data on food consumption were obtained through applying two 24-hour dietary recalls, and the prevalence of inadequate micronutrient intake, following the recommendations of the Institute of Medicine and from the National Research Council. Results: A tendency of increased intake with an increase in income (calcium, vitamins C, E) and education levels (calcium, vitamins A, C, D) was observed for most of the micronutrients analyzed (p<0.05 in all cases); still, a prevalence of inadequacy according to Estimated Average Requirement (EAR) between 85.5-100% in intake of vitamins A, D and E were found for the whole sample. Iron inadequate intake was associated with education level and among women less than 50 years of age (p=0.018). Conclusion: The results showed an influence of the education and income levels on micronutrient intake, point to the need of daily food consumption, of minimally processed and in natura foods (as fruits, vegetables, whole grains, milk and its derivatives) as a means to reduce the encountered inadequacies.


Assuntos
Ingestão de Energia , Micronutrientes , Adulto , Brasil , Estudos Transversais , Dieta , Feminino , Humanos , Estudos Longitudinais , Masculino , Micronutrientes/química , Pessoa de Meia-Idade
14.
Aging Ment Health ; 23(1): 15-21, 2019 01.
Artigo em Inglês | MEDLINE | ID: mdl-29039993

RESUMO

BACKGROUND: To inform public health interventions, further investigation is needed to identify: (1) frequency/intensity of everyday physical activity (PA) needed to reduce dementia risk; (2) whether post-diagnosis reduction in PA is associated with cognitive outcomes in people with dementia. METHODS: Data from 11,391 men and women (aged ≥50) were obtained from the English Longitudinal Study of Ageing cohort. Assessments were carried out at baseline (2002-2003) and at biannual follow-ups (2004-2013). RESULTS: Older adults who carried out moderate to vigorous activity at least once per week had a 34%-50% lower risk for cognitive decline and dementia over an 8-10 year follow-up period. From pre- to post-dementia diagnosis, those who decreased PA levels had a larger decrease in immediate recall scores, compared to those who maintained or increased PA levels (analyses were adjusted for changes in physical function). CONCLUSION: PA was associated with cognitive outcomes in a dose-dependent manner. Reduction in PA after diagnosis was associated with accelerated cognitive decline and maintaining PA may reduce symptom progression in dementia.


Assuntos
Envelhecimento/psicologia , Demência/epidemiologia , Demência/prevenção & controle , Exercício Físico/psicologia , Idoso , Progressão da Doença , Inglaterra/epidemiologia , Feminino , Humanos , Entrevistas como Assunto , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Modelos de Riscos Proporcionais
15.
Prev Med ; 115: 119-125, 2018 10.
Artigo em Inglês | MEDLINE | ID: mdl-30149036

RESUMO

The aim of this study was to evaluate the association between subjective and objective characteristics of the built environment and the incidence of disability in the activities of daily living in the older adults. A cohort study was conducted with 1196 older adults from Florianopolis, Santa Catarina, Brazil. Incidences were evaluated after four years by the difficulty or inability to perform six basic and nine instrumental activities. The subjective built environment was evaluated by the adapted Neighborhood Environment Walkability Scale and the objective for variables related to the characteristics of streets, sidewalks and land uses in the census tracts. Multilevel Logistic Regression analyzes were performed, where significant positive associations were observed between the presence of hills, and negative associations between safety for walking at night, a high proportion of commercial area, intermediate mixed land use and the incidence of disability in basic activities. The built environment characteristics associated with disability point to the need for improvements in urban infrastructure to promote functional independence in the older adults.


Assuntos
Atividades Cotidianas , Ambiente Construído/estatística & dados numéricos , Pessoas com Deficiência/estatística & dados numéricos , Características de Residência , Idoso , Brasil , Estudos de Coortes , Estudos Transversais , Feminino , Humanos , Incidência , Estudos Longitudinais , Masculino , Inquéritos e Questionários , Caminhada
16.
Aging Ment Health ; 22(11): 1525-1533, 2018 11.
Artigo em Inglês | MEDLINE | ID: mdl-28795579

RESUMO

OBJECTIVES: Dementia is expected to affect one million individuals in the United Kingdom by 2025; its prodromal phase may start decades before its clinical onset. The aim of this study is to investigate whether use of internet from 50 years of age is associated with a lower incidence of dementia over a ten-year follow-up. METHODS: We analysed data based on 8,238 dementia free (at baseline in 2002-2004) core participants from the English Longitudinal Study of Ageing. Information on baseline use of internet was obtained through questionnaires; dementia casesness was based on participant (or informant) reported physician diagnosed dementia or overall score on the Informant Questionnaire on Cognitive Decline in the Elderly (IQCODE). Cox proportional hazards regression analysis was used for examining the relationship between internet use and incident dementia. RESULTS: There were 301 (5.01%) incident dementia cases during the follow-up. After full multivariable adjustment for potential confounding factors, baseline internet use was associated with a 40% reduction in dementia risk assessed between 2006-2012 (HR = 0.60 CI: 0.42-0.85; p < 0.05). CONCLUSION: This study suggests that use of internet by individuals aged 50 years or older is associated with a reduced risk of dementia. Additional studies are needed to better understand the potential causal mechanisms underlying this association.


Assuntos
Envelhecimento , Demência/epidemiologia , Internet/estatística & dados numéricos , Idoso , Idoso de 80 Anos ou mais , Inglaterra/epidemiologia , Feminino , Humanos , Incidência , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Risco
18.
Int Psychogeriatr ; 29(8): 1307-1316, 2017 08.
Artigo em Inglês | MEDLINE | ID: mdl-28162115

RESUMO

BACKGROUND: The relation between body weight status and depressive symptoms in the elderly differs according to age and country of origin. The goal of this study was to analyze the cross-sectional and longitudinal relationship between body mass index (BMI), waist circumference (WC) and depressive symptoms in the elderly. METHODS: A population-based cohort study of 1,702 elderly individuals (70.6+8.0 years) in Southern Brazil evaluated in 2009/10 and 2013/14 was accessed. The body weight status was assessed using measured data of BMI and WC. The Geriatric Depression Scale (GDS-15) was used to determine depressive symptoms. Logistic regression analysis adjusted for sociodemographic and behavioral variables was performed. RESULTS: The prevalence of depressive symptoms in 2009/10 was 23.3% (95% CI 20.3-26.6) and the cumulative incidence in the 4-years period was 10.9% (95% CI 8.7-13.6). Elderly people with obesity class II-III and WC in the highest quartile had higher prevalence odds ratio of being depressed than individuals with normal weight or WC in the lower quartile (OR 2.34; 95% CI 1.42-3.87 and OR 1.73; 95% CI 1.13-2.65, respectively). Meanwhile, intermediary values of BMI and WC were associated with a lower prevalence. When evaluating the incidence of depressive symptoms, overweight individuals and those in the second quartile of WC had a lower risk (58% and 57%, respectively), but severely obese individuals had the same risk compared to those with normal BMI/WC. CONCLUSIONS: Severely obese individuals presented a similar incidence of depressive symptoms compared to those with normal BMI/WC, but higher prevalence. Intermediary values of body weight status decrease the risk of depressive symptoms.


Assuntos
Depressão/epidemiologia , Obesidade Mórbida/epidemiologia , Obesidade Mórbida/psicologia , Idoso , Índice de Massa Corporal , Brasil/epidemiologia , Estudos Transversais , Feminino , Humanos , Incidência , Modelos Logísticos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Prevalência , Fatores de Risco , Circunferência da Cintura
19.
Prev Med ; 93: 76-81, 2016 12.
Artigo em Inglês | MEDLINE | ID: mdl-27663432

RESUMO

OBJECTIVE: To investigate if the combination of Waist Circumference (WC) and Body Mass Index (BMI) or Waist to Height Ratio (WHtR) and BMI measures is superior to the separate indicators in identifying hypertension risk in older adults from southern Brazil. METHOD: This cross-sectional study analyzed data from the second wave (2013/14) of a population- and household-based survey carried out with 1197 older adults (778 women). Hypertension (i.e., outcome) was identified by self-report. The independent variables were body mass index (BMI≥27kg/m2), waist circumference (WC≥88cm for women and WC≥102cm for men), waist/height ratio (WHtR≥0.5), and the combined indexes BMI+WC (BMI≥27kg/m2+WC≥88cm for women and WC≥102cm for men) and BMI+WHtR (BMI≥27kg/m2+WHtR≥0.5). The associations were explored using binary logistic regression. RESULTS: The results showed sex differences in all study characteristics. In women, all indicators were associated with the outcome, after adjustments (age, race/color, marital status, schooling, smoking, alcohol consumption, physical activity, and diabetes). WHtR was the indicator most strongly associated with hypertension (OR=2.97; 95% CI 1.58 to 5.59). For men, only BMI and the combined indicators were associated with hypertension. Combined measures of BMI+WHtR showed a stronger association with the outcome (OR=2.68; IC95% 1.62 to 4.44). CONCLUSION: The associated indicators differed between the sexes. The combination of BMI+WC and BMI+WHtR using current cut-off points may provide an improved measure of hypertension risk.


Assuntos
Índice de Massa Corporal , Hipertensão/epidemiologia , Circunferência da Cintura , Razão Cintura-Estatura , Idoso , Brasil/epidemiologia , Estudos Transversais , Exercício Físico , Feminino , Humanos , Masculino , Obesidade , Fatores de Risco
20.
Matern Child Health J ; 20(8): 1634-50, 2016 08.
Artigo em Inglês | MEDLINE | ID: mdl-27007985

RESUMO

Objective We seek to comprehensively assess stillbirths in Brazil, to compare the Brazilian findings with global trends and to identify the limitations of the fetal death record system. Method We studied fetal deaths in Brazil between 1996 and 2012 within the following five regions of the country: the North, Northeast, Southeast, South, and Central-West, through an analysis of data obtained from the Unified Health System's (SUS) Informatics Department. The rates of stillbirth in Brazil and in these regions were calculated in relation to the maternal and gestational age and education, birth weight, type of pregnancy, delivery type, weight ranges and cause of death. Results There were 579,661 recorded fetal deaths and a decrease of 22.9 % in the stillbirth rate. In 2012, the overall rate was 10.0/1000 births; the North and Northeast regions had the highest rates (10.3 and 12.1, respectively) and the South region had the lowest rate (7.7/1000 births). Two-thirds of the deaths occurred in pregnancies of 28 or more weeks. Low education was an important risk factor, with rates of 24.3/1000 birth in women with no formal education and 4.7/1000 birth in women with 12 or more years of study in 2012. More than 40 % of the causes of deaths were nonspecific. Conclusions Despite the gradual decline in stillbirth rates, Brazil still has stillbirth rates that are nearly two times higher than those found in developed countries. There are inequalities between country regions portrayed by the significant variation in mortality rates specified by cause.


Assuntos
Morte Fetal , Mortalidade Infantil , Natimorto/epidemiologia , Adulto , Brasil , Feminino , Idade Gestacional , Humanos , Lactente , Mortalidade Infantil/tendências , Recém-Nascido , Idade Materna , Gravidez , Adulto Jovem
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