981 resultados para Correlações


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OBJECTIVE: This study aimed to analyze the correlation between the levels of functional dependence of elderly living in the community, the burden related to care and the perception of quality of life in familiar caregivers. METHODS: This is an observational, descriptive and analytical study, using non probabilistic sampling selected by convenience in the period from December 2008 to May 2009, in the urban area of Curitiba and Colombo, state of Paraná, Brazil. Interviews were applied to caregivers, using demographic inquiry, functional evaluation of the aged, burden interview (Zarit-Burden-Interview) and quality of life instrument (WHOQOL-Bref). Spearman, Mann-Whitney and Kruskal Wallis coefficients were used to analyze the correlations between instruments and socio-demographic variables. Bivariate analyses identified which variables correlate with burden, and the most significant were included in a multiple linear regression. RESULTS: Forty-five caregivers were interviewed, mostly women (91.11%) with high educational level attending dependent elderly (66.77%). Moderate/severe burden was perceived in 75.55% of the sample. We found correlation between dependence, more severe burden in caregivers (r=-0.281, p=0.013) and worse perception of quality of life. The multiple linear regression identified strong association between burden related to care and psychological domain from WHOQOL-bref and time as caregiver (R²=0.58, p<0.001). CONCLUSION: In a sample of familiar caregivers, we identified correlations between lower burden related to care and better quality of life perceptions, as well as higher disability and less satisfactory quality of life perceptions.

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Populations of carrot seeds with superior physiological quality and storage potential are of interest to seed companies and growers. Thus, we verified the efficiency of some tests for the selection of carrot populations with greater vigor and longevity of seeds. Seeds of 50 carrots progenies of different half-brothers from Brasilia cultivar were evaluated for the mass of one hundred seeds, the first count, germination, dormancy, accelerated aging with water and saturated NaCl solution. The seeds were stored at moisture contents of 6.1±0.3% in hermetic packaging at temperatures of 15 and 25°C for 12 months and germination was evaluated quarterly. The experimental data were evaluated for variance and phenotypic, genotypic and environmental heritability, coefficient of variation and genetic gain from selection. Selection based on the mass should not be used because it would increase the occurrence of dormancy in seeds of the next generation. The test of the first count, germination and accelerated aging in water or saline solution saturated may be used to select populations of carrot seeds of higher vigor and longevity. The estimated gain genetic selection for germination after 12 months storage at 25°C was 14%.

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Pós-graduação em Agronomia (Genética e Melhoramento de Plantas) - FCAV

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Pós-graduação em Agronomia (Genética e Melhoramento de Plantas) - FCAV

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Pós-graduação em Fisiopatologia em Clínica Médica - FMB