896 resultados para Níveis de Maturidade


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Através de dois estudos, o presente trabalho pretende caracterizar a população escolar do 5.º ao 12.º anos de escolaridade do concelho de São Vicente, relativamente aos níveis de obesidade associados à aptidão física, comportamentos de saúde e factores psicossociais. Metodologia: A amostra total é constituída por 421 crianças e adolescentes com idades compreendidas entre os 10 e os 21 anos, dividida em três grupos etários (GE), representando 87,2% da população escolar do 5.º ao 12.º anos do concelho de São Vicente. Os níveis de obesidade foram caracterizados através de: 1) índice de massa corporal (IMC), segundo proposto por Cole et al. (2000) para o excesso de peso e obesidade, Cole et al. (2007) para a subnutrição, e Organização Mundial de Saúde (OMS, 2006b), para sujeitos com idade superior a 18 anos; 2) percentagem de massa gorda (%MG), calculada através das equações de Slaughter et al. (1988), até aos 17 anos de idade, e classificada segundo as categorias de Lohman (1987); 3) perímetro da cintura, para classificar a Obesidade Abdominal (OA), segundo Katzmarzyk et. al (2004), para indivíduos com idade inferior a 18 anos, e pela International Diabetes Federation (IDF, 2006). Os comportamentos e factores psicossociais foram obtidos com recurso à aplicação de escalas auto-reportadas por questionário. Conclusões: No primeiro estudo, verificou-se que 19,0% dos indivíduos têm excesso de peso e 5,7% são obesos, 10,4% têm %MG alta e 12,4% excessivamente alta, e 34,9% têm OA, verificando-se também 2,9% de subnutridos e 2,1% com %MG baixa. As raparigas apresentaram prevalências superiores em todas estas classificações, com excepção para a %MG baixa onde os rapazes apresentam taxas superiores. Ao nível da aptidão física criterial, observou-se uma maior taxa de insucesso nos testes de aptidão muscular relacionados com a força, e de sucesso no teste de flexibilidade, com os rapazes a apresentarem taxas de sucesso superiores, com excepção da extensão do tronco. O vaivém é o melhor preditor de factores de risco independentemente do método de classificação de obesidade usado, com o risco a oscilar entre 3,162 (IC95% 1,883 - 5,308 na %MG) e 2,582 (IC95% 1,604 - 4,157 na OA). No segundo estudo, os alunos com OA afirmam, em média, ter um pouco de peso a mais e estarem a tentar perdê-lo, e apresentam uma percepção de saúde mais negativa comparativamente com os que não têm OA. A falta de tempo é um argumento mais utilizado pelos alunos com OA para a não realização de actividade física, em comparação com os seus pares sem OA. Estes consideram o facto de serem bons a praticar desporto como sendo uma motivação importante para o fazerem, e são os que referem andar rápido nos intervalos durante mais tempo.

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The research aimed to evaluate the level of maturity of the project management office of the Public Ministry of the State of Rio Grande do Norte, on the model PMO Maturity Cube. It was based on a theoretical framework that includes project management, project management office and maturity of the project management office. The research was classified as to the purpose as exploratory and descriptive. According to the methods used was a case study, and how to approach is qualitative and quantitative. The research unit was the prosecutor of the State of Rio Grande do Norte, by two guys who represent all of the participants in the project management office of the institution. These subjects were chosen because they act with the office since the foundation of the same, having the knowledge necessary to deepen the research required, and experience with projects and work experience in the area. Data were collected through an adaptation of the evaluation form for the amplitude corporate developed and presented to the scientific environment for Pinto, Cota and Levin (2010). The results revealed that the level of maturity in the current strategic approach is 77%, and 97% desired; tactical approach in current is 66% and 97% desired, and the current operational approach is 78%, and 100% desired. He pointed out that several factors influence the level of maturity of the project management office of the Public Prosecutor and the recurrent related to information technology, regarding the storage and sharing of information. Concluded that the level of maturity of the project management office of the Public Ministry of the State of Rio Grande do Norte is advanced

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The caprine milk is a product of high biological value and high digestibility. Due to these characteristics it is quite used by newly born children that are not breastfed or that are intolerant to the bovine milk. The vitamin deficiency is a public health problem in underdeveloped areas as the Northeast of Brazil and where areas the caprine ones adapt very well. The present study was led to analyze the influence of the feeding in the vitamin levels in the caprine milk. The animals used were the races Saanen and Murciana, divided in three groups. The first group with 38 animals of race Saanen and the second with 30 animals of race Murciana were, fed with concentrated and voluminous. A third group with 20 animals of the race Saanen was fed exclusively with voluminous. The four group was added with 10. 000 UI of retinol palmitato, administered directly, like capsule, in the mouth of animal. Parallel it was verified the level of retinol of milk in the beginning and final of the sucked, in the goats of the second group (race Murciana n =30). The retinol of caprine milk was determined through the system of liquid cromatografia of high efficiency (HPLC). The retinol levels in the studied groups were respectively: first (38. 5 ± 12. 7 μg/100ml), second (40. 5 ± 9. 7 μg/100ml); third, with 20 animals of race Saanen fed exclusively with voluminous (23. 1 ± 6. 7 μg/100ml) and in the group a, suplementation with 10. 000 UI of retinol palmitato (43,7 ± 18,8 μg/100ml) before, and (61,9 ± 26,9 μg/100ml) after the supplementation. It was not found significant difference between the averages from animals of the first and second group, that were fed with the same concentrate diet and voluminous, showing that the retinol levels in the milk of these two races are equivalent. Already in the animals of the first and third group that they were fed with different diets, in those which diet was just voluminous, a drastic reduction was verified in the retinol levels. In relation to the retinol of the milk in different moments from the same sucked, it was observed in the beginning of the breast-feeding (22. 6 ± 9. 8 μg/100ml) and at the end of the sucked (49. 6 ± 14. 7μg/100ml), being the difference between the averages, statistically significant (p < 0,0001). Already in the animals that were supplemented, a significant increase was observed in the retinol concentration, being obtained a medium response of 41,85%

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The vitamins A and E are recognizably important in the initial stages of life and the newborn depends on nutritional adequacy of breast milk to meet their needs. These vitamins share routes of transport to the tissues and antagonistic effects have been observed in animals after supplementation with vitamin A. This study aimed to verify the effect of maternal supplementation with vitamin A megadose (200,000 UI) in the immediate post-partum on the concentration of alpha-tocopherol in colostrum. Healthy parturient women attended at a public maternity natalensis were recruited for the study and divided into two groups: control (n = 37) and supplemented (n = 36). Blood samples of colostrum and milk were collected until 12 hours after delivery. The women of the supplemented group was administered a retynil palmitate capsule and 24 hours after the first collection was obtained the 2nd sample of colostrum in two groups for analysis of retinol and alpha-tocopherol in milk. The mean retinol concentration of 50,7 ± 14,4 μg/dL (Mean ± standard deviation) and alpha-tocopherol of 1217.4 ± 959 mg/dL in the serum indicate the nutritional status biochemical appropriate. Supplementation with retynil palmitate resulted in increase not only retinol levels in the colostrum of the supplemented group (p = 0.002), but also the concentration of alpha-tocopherol (p = 0.04), changing from 1456.6 ± 1095.8 mg/dL to 1804.3 ± 1432.0 mg/dL (milk 0 and 24 respectively) compared to values in the control group, 984.6 ± 750.0 mg/dL and 1175.0 ± 730.8 mg/dL. The women had different responses to supplementation, influenced by baseline levels of retinol in colostrum. Those with previous by low levels of retinol in colostrum (<60 mg/dL) had increased the concentration of alpha-tocopherol in milk, whereas those with adequate levels (> 60 mg/dL), showed a reduction after supplementation. Supplementation with retinol palmitate is an important intervention in situations of high risk for vitamin A deficiency, when considering the need to maternal supplementation, since the excess vitamin can offer unfavorable interactions between nutrients essential for the mother-child group

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Mothers with good vitamin A nutritional status during gestation and lactation are better able to nourish and protect their infant with maternal milk. Our hypothesis is that women with more serum retinol have more retinol and secretory immunoglobulin A in colostrum. 190 healthy puerperal women from a Brazilian public maternity were recruited and divided according to the cutoff point for serum retinol (30 μg/dL). A number of the women was supplemented with 200000 UI (60 mg) of retinyl palmitate in the immediate postpartum. Serum and colostrum were collected on the 1st day postpartum and colostrum again on the following day. Retinol (serum and colostrum) was analyzed by HPLC and SIgA (colostrum) by turbidimetry. The mothers presented with adequate biochemical indicators of nutritional status, according to serum retinol (44.6 μg/dL). There were significant differences (p= 0.0017 and p= 0.043, respectively) in retinol and SIgA levels in the colostrum of mothers with serum retinol > 30 μg/dL and < 30 μg/dL. The concentration of SIgA in the colostrum of non-supplemented mothers on the 1st day postpartum was 822.6 mg/dL, decreasing after 24 hours to 343.7 mg/dL. Supplemented mothers showed levels of SIgA in colostrum of 498.9 mg/dL on the 2nd day postpartum (p= 0.00006). The colostrum of women with good vitamin A nutritional status had more retinol and SIgA. Additionally, maternal supplementation increases the levels of SIgA in colostrum. The higher levels of SIgA on the 1st day postpartum showed the importance of early breastfeeding, given that it provides considerable immunological benefits to newborn infants

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Vitamins A and E are essential nutrients in many biological processes, so that their adequate supply to the neonate is crucial. However, the bioavailability of vitamins may be limited by factors such as maternal nutritional status and the interaction between nutrients. This study aimed to investigate the effect of biochemical nutritional status of retinol and alpha-tocopherol levels in serum and colostrum. The study included 103 healthy puerperal women treated at the reference state maternity hospital (Natal-RN). Colostrum and serum samples were collected fasting in the immediate postpartum period and the analysis of retinol and alpha-tocopherol were determined by high-performance liquid chromatography. Specific cutoff points were adopted to characterize the biochemical status of vitamins A and E. For the total group of lactanting women the average concentration of retinol in serum (1.49 ± 0.4 μmol/L-1) and colostrum (2.18 ± 0.8 μmol/L-1), as well as alpha-tocopherol in serum (26.4 ± 8.0 μmol/L-1) and colostrum (26.1 ± 12.8 μmol/L-1), indicated adequate biochemical state. However, when evaluating the individual, was found a high prevalence of deficient serum (15%) and colostrum retinol (50%), and also alphatocopherol in serum (16%) and colostrum (61%). In women with serum retinol ≥ 1.05 μmol/L-1, found an inverse correlation between serum retinol and alpha-tocopherol in colostrum (p = 0.008, r = -0.28). This association was not observed in women with serum retinol <1.05 μmol/L-1. This situation demonstrates for the first time in humans that high physiological levels of serum retinol, without supplementation, can negatively influence the transfer of alpha-tocopherol in breast milk. Although the diagnosis of satisfactory nutritional status lactanting women showed high risk of subclinical deficiency of vitamins A and E from measurements made in the colostrum

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Dopamine (DA) is known to regulate both sleep and memory formations, while sleep plays a critical role in the consolidation of different types of memories. We believe that pharmacological manipulation of dopaminergic pathways might disrupt the sleep-wake cycle, leading to mnemonic deficits, which can be observed in both behavioral and molecular levels. Therefore, here we investigated how systemic injections of haloperidol (0.3 mg/kg), immediately after training in dark and light periods, affects learning assessed in the novel object preference test (NOPT) in mice. We also investigated the hippocampal levels of the plasticity-related proteins Zif-268, brain-derived neurotrophic factor (BDNF) and phosphorylated Ca2+/calmodulin-dependent protein kinases II (CaMKII-P) in non-exposed (naïve), vehicle-injected controls and haloperidol-treated mice at 3, 6 and 12 hours after training in the light period. Haloperidol administration during the light period led to a subsequent impairment in the NOPT. In contrast, preference was not observed during the dark period neither in mice injected with haloperidol, nor in vehicle-injected animals. A partial increase of CaMKII-P in the hippocampal field CA3 of vehicle-injected mice was detected at 3h. Haloperidol-treated mice showed a significant decrease in the dentate gyrus of CaMKII-P levels at 3, 6 and 12h; of Zif-268 levels at 6h, and of BDNF levels at 12h after training. Since the mnemonic effects of haloperidol were only observed in the light period when animals tend to sleep, we suggest that these effects are related to REM sleep disruption after haloperidol injection

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Vitamin A deficiency is a serious public health problem in developing countries, and it causes death and blindness among children in the developing countries. The fortification of food could be an important source of vitamins to control deficiency. 60 Coturnix coturnix japonica quails were used in a randomized design with duration of seven weeks. The birds were assigned into five treatments with four repetitions. The objective was to evaluate the influence of the supplementation with different levels of retinyl palmitate (2,000 IU, 4,000 IU, 8,000IU and 16,000 IU) in quails under the levels of retinyl in egg yolks. The method used to dose retinyl in yolks of quail eggs was High Performance Liquid Chromatography and the enzymatic method to quantify the cholesterol concentration. The weight and production of eggs was significantly modified by the supplementation with retinyl in the birds. The results showed a gradual increase in the incorporation of retinyl in the egg yolk as a response to the supplementation, reaching values 384% higher than the control values. By the end of the supplementations a significant reduction in the concentrations of retinyl in the eggs yolk was observed. The most lasting supplementations were with 8,000 IU and 16,000 IU which lasted for three weeks. The cholesterol content in eggs was not significantly modified. The consumption of one egg enriched with 16000UI of retinol palmitate in the present study, by day, would probably reach 10 and 7,3% of the daily recommendations of this micronutrient for children of 1 to 3 years of age, and for 4 to 8 years, respectively. The nutritional value of eggs, related to the vitamin A, can be improved by supplementation of quails

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The tendency towards reduction of serum retinol levels, an existing placental barrier and the increase of retinol demand, are factors that place puerperal and lactating women at risk for Vitamin A deficiency. This micronutrient is an essential component of vital processes such as differentiation, cellular proliferation, and apoptosis. The objective of this study is to evaluate the effect of palmitate retinol supplementation (100.000UI) upon the milk retinollevels in puerperal women at the Januário Cicco University Maternity Hospital. This intervention has been adopted by the Ministry of Health since 2002. The longitudinal experiment was conducted with 106 puerperal women (68 comprised the supplemented group and 38 the control group). The High Performance Liquid Chromatography (HPLC) method was used to dose the retinol of the milk and serum samples, and the creamtocrit method to determine the milk fat levels. The retinol means for the colostrums were 99.0 ± 64.4 ug/dL and 160.1 ± 94,4 ug/dl 6 hours afier supplementation; 68.9 ± 33.5 ug/dL for the transitional milk, and 30.6 ± 15.2 ug/dL for the mature milk of the supplemented group. Ali the difterences between means were statistically significant. The difterence between retinol means in the control group were also significant, with these being greater in the colostrum, 88.6 ± 62.1 ug/dL with 61.9 ± 30.1 ug/dl in the transition milk and 32.9 ±32.9 ± 17.6 ug/dL in the mature milk. No significant difference was observed in the retinol means of the three types ot milk in the supplemented group when compared to their respective means in the control group. The prevalence in serum (35.1 % and 81.1 % for the cutting point 20 ug/dL, respectively) and in milk (51.4%) revealed vitamin A deficiency as a public health problem. COlostrum, transition, and mature milk tats varied similarly in the supplemented group (1,92 ± 0,96; 3,25 ± 1,27 and 3,31 ± 1,36 grams) and in the control group (1,87 ± 1,14; 3,25 ± 1,31 and 3,36 ± 1,67 grams), with an observed difference between the colostrum/transition milk and the colostrum/mature milk fats. No difference was observed between the groups. The study showed that the 200.000UI supplementation was not sufficient to increase the milk retinol to the desired levels nor to meet the demands of the mothers with deprived hepatic reserves. It is suggested that another similar dose be offered within 30 days or less, and within 2 months post-partum, while continual/y monitoring for possible pregnancy

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Neste trabalho objetivou-se estudar o desempenho e a eficiência biológica de 48 bubalinos (16 Murrah - MUR, 16 Jafarabadi - JAF e 16 Mediterrâneo - MED) com média de 18 meses de idade e de peso vivo inicial de 330 kg terminados em confinamento. Quatro animais de cada grupo genético foram designados por sorteio para o abate inicial e serviram de referência para o estudo dos pesos iniciais de corpo vazio e de carcaça. Os 12 animais restantes de cada grupo genético foram divididos aleatoriamente em três subgrupos de quatro animais e submetidos aos seguintes tratamentos: Maturidade 1 (400 kg PV ao abate); Maturidade 2 (450 kg PV ao abate); Maturidade 3 (500 kg PV ao abate). Foi fornecida uma ração única, ad libitum, para todos os animais, composta por 50% de feno de coastcross na MS e 50% de concentrado à base de fubá de milho, uréia e farelo de soja, devidamente suplementado com minerais. Após os abates pré-fixados, determinou-se o peso corporal vazio (PCVZ) dos animais, por meio do somatório das partes integrantes do corpo. Os consumos médios diários de MS e MO não diferiram entre grupos genéticos, embora animais JAF tenham apresentado os maiores valores numéricos. Animais MUR, JAF e MED não diferiram quanto aos ganhos de peso corporal vazio e de carcaça. Não houve diferenças quanto à eficiência biológica (ganho de peso corporal vazio e ganho de carcaça por unidade de energia metabolizável ingerida) entre os grupos genéticos, embora animais Murrah tenham apresentado os maiores valores. Bubalinos abatidos aos 400 e 450 kg apresentaram melhor eficiência de ganho de peso corporal vazio e ganho de carcaça que os abatidos aos 500 kg.

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Objetivou-se estudar as características quantitativas da carcaça de 36 bubalinos (12 Murrah 12 Jafarabadi e 12 Mediterrâneo), com idade média de 18 meses e peso vivo inicial de 330 kg, terminados em confinamento. Os 12 animais de cada grupo genético foram divididos aleatoriamente em três subgrupos de quatro animais e submetidos aos seguintes tratamentos: Maturidade 1: 400 kg PV ao abate; Maturidade 2: 450 kg PV ao abate; Maturidade 3: 500 kg PV ao abate. Durante o experimento, uma ração única, em que 50% da MS foi composta por volumoso, foi fornecida, ad libitum, para todos os animais. Após os abates pré-fixados, determinou-se o peso corporal vazio (PCVZ) dos animais pelo somatório das partes integrantes do corpo. Não houve diferença entre grupos genéticos e maturidades, em relação à porcentagem dos cortes dianteiro, paleta, traseiro total e alcatra completa. O rendimento de traseiro especial foi maior nos animais abatidos aos 400 kg PV e menor naqueles com 500 kg PV, enquanto o dos animais com 450 kg PV não diferiu dos demais. O rendimento de ponta-de-agulha, por sua vez, foi maior nos animais com 500 kg PV e menor nos com 400 kg PV. Os valores observados nesses dois pesos de abate não diferiram do obtido nos animais com 450 kg. A produção de carne a partir das raças Murrah, Jafarabadi e Mediterrâneo criadas no Brasil não difere quanto aos rendimentos de carcaça, traseiro, dianteiro e dos principais cortes básicos de interesse comercial.

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O objetivo deste trabalho foi avaliar cenários de níveis freáticos extremos, em bacia hidrográfica, por meio de métodos de análise espacial de dados geográficos. Avaliou-se a dinâmica espaço‑temporal dos recursos hídricos subterrâneos em área de afloramento do Sistema Aquífero Guarani. As alturas do lençol freático foram estimadas por meio do monitoramento de níveis em 23 piezômetros e da modelagem das séries temporais disponíveis de abril de 2004 a abril de 2011. Para a geração de cenários espaciais, foram utilizadas técnicas geoestatísticas que incorporaram informações auxiliares relativas a padrões geomorfológicos da bacia, por meio de modelo digital de terreno. Esse procedimento melhorou as estimativas, em razão da alta correlação entre altura do lençol e elevação, e agregou sentido físico às predições. Os cenários apresentaram diferenças quanto aos níveis considerados extremos - muito profundos ou muito superficiais - e podem subsidiar o planejamento, o uso eficiente da água e a gestão sustentável dos recursos hídricos na bacia.

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The elaboration of profiles with characteristics that can be parameters in the different categories of sports modalities and the investment in scientific studies have revealed a significant importance in the development of new generations of athletes. Based in the exposed, the purpose of this study was to identify and compare the somatotype characteristics, physical qualities and genetic markers of Brazilian male volleyball players in the 14-17 category playing at different levels (international, national and regional). We used a scale, stadiometer, pachymeter, and adipometer to evaluate somatotype, attack and block reach test, medicine ball toss, 30-meter agility test , the AAHPER -30 test to evaluate basic physical qualities and the dermatoglyphic method to identify genetic markers. The results show the superiority of the national team over the other squads in the somatotype component (ectomorphy), and in the level of basic physical qualities. We found no significant difference in genetic markers among the teams studied. We conclude that Brazilian volleyball players at different performance levels have characteristics peculiar to the sport, with height and physical qualities being significantly different among these teams. The results confirm de necessity of knowing the athletes specific characteristics when dealing with high performance teams using nutrition, medicine, physiology and genetics specific knowledges to achieve a better sportive development

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The imprecision of the frontier that separates those cognitive deficits inherent to the human physiological aging process from those which represent the early signs of nervous system degenerative pathologies ,very prevalent among the elderly, has brought attention to the need of studies aiming to establish clinical and/or laboratorial criteria to allow this differentiation. Elderly people living in poor and developing countries are frequently exposed to precarious socioeconomic conditions which facilitate the development of an array of pathologies which have metabolic and nutritional dysfunctions as the established or proposed etiological agents. The levels of certain micronutrients, such as the vitamins B12 and B9 (folic acid), and of some intermediary metabolites, such as homocysteine are being thought of as etiological factors and/or as biological markers of a group of alterations which affect the normal functioning of the nervous system with important reflexes upon cognitive performance. This study aims to investigate the influence of homocysteine, B12 vitamin and folic acid levels on the cognitive performance of the low income elderly population. This transversal study took place in Natal, Rio Grande do Norte State, Brazil, and involved 205 dwelling elderly people, users of the Programa de Saúde da Família, a public healthcare program, maintained by the city s health authorities. A multidimensional questionnaire was used to assess the socio-demographic aspects and the overall health and nutrition conditions. The cognitive performance was measured by the use of the Portuguese version of the Mini Mental State Exam (MMSE). The serum levels of homocysteine, B12 vitamin and folic acid were determined by chemiluminescence. The association between the socio-demographic and serum levels of Hcy, B12 vitamin and folic acid was determined by multiple linear regression. Serum levels higher than 13.5 μmol/l, indicative of hyperhomocysteinemia (HHcy), were found on 25.4% of the sample, being more prevalent in men (p<0.05). Deficitary levels of folic acid (<5ng/mol) and of B12 vitamin (<193 pg/ml) were found on 3.9% and 10.2% of the sample respectively. A negative correlation was found between cognitive performance with both age and HHcy and a positive correlation was found between cognitive performance and schooling. The isolated HHcy R2 values were an explanation to only 4% of the variance of the MMSE scores. However, when associated with schooling and age, this model explains about 25% of this association

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The aim of the present study was to assess the presence of depressive symptomatology among elderly residents in long-stay institutions (LSI) and in the community of Recife, Brazil. In total, 81 long-stay elderly patients (mean age of 75.55 ± 9.18 years) and 132 elderly (mean age of 73.14 ± 8.27 years) individuals from the community were evaluated. Depressive symptomatology was assessed by the Geriatric Depression Scale (GDS-15), cognitive status by the Mini Mental State Examination (MMSE) and capacity to perform the activities of daily living (ADL) by the Katz Index. Comorbities and the use of medication were recorded. The LSI elderly exhibited more depressive symptoms (p < 0.001) and more dependency (p< 0.001). We observed no differences in MMSE (p = 0.058). The elderly in the community displayed more comorbidities and the LSI elderly consumed more medication (p < 0.001 and p < 0.001, respectively). According to multivariate analysis (logistic regression), being male, having no spouse and having a low schooling level are risk factors for depressive symptoms. In conclusion, most elderly with depressive symptoms received no medication fordepression.