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Search Results: 1 - 10 of 77494 matches for " Kelly Samara da Silva "
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Sobrepeso/obesidade em adolescentes escolares da cidade de Jo?o Pessoa - PB: prevalência e associa??o com fatores demográficos e socioecon?micos
Farias Júnior, José Cazuza de;Silva, Kelly Samara da;
Revista Brasileira de Medicina do Esporte , 2008, DOI: 10.1590/S1517-86922008000200004
Abstract: objectives: overweight/obesity in childhood and adolescence has been described as one of the greatest public health problems of current times, in recognition of the rapid growth in its prevalence and its relationship with many different health problems. in this idea, the objective of this study was to determine the prevalence of overweight/obesity in high school adolescents from the city of jo?o pessoa, pb, and to analyze its relationship with demographic and socio-economic factors. methods: the study sample consisted of 2,402 high school students (public and private schools), aged 14 to 18 years (16.5±0.2). in addition to demographic details (age and sex) and socio-economic data (economic class, parents educational background), the students reported their body weight (kg) and height (cm). overweight/obesity was determined based on body mass index (bmi= weight[kg]/stature[m2]) according to criteria proposed by the international obesity task force. results: the prevalence of overweight/obesity was 10% and was more common among boys than girls (13.5% vs. 7.4%, prevalence ratio [pr]=1.82; 95%ci=1.42-2.32) and had no association with age in either sex. results of a multivariate analysis found evidence of greater probability of overweight/obesity among boys from higher economic classes (pr=2.75; 95%ci=1.56-4.82). conversely, among the girls the probability of overweight/obesity was lower for girls whose parents had a higher education background level (pr=0.42; 95%ci=0.21-0.87). conclusions: the prevalence of overweight/obesity among adolescent students in jo?o pessoa, pb was similar to what has been observed in other brazilian studies. the richer boys and poorer girls were the subsets with the greatest chance of exhibiting overweight/obesity. within this context, intervention actions should take into consideration the different prevalence rates of overweight/obesity in different demographic and socio-economic strata.
Fatores de risco associados à press?o arterial elevada em adolescentes
Silva, Kelly Samara da;Farias Júnior, José Cazuza de;
Revista Brasileira de Medicina do Esporte , 2007, DOI: 10.1590/S1517-86922007000400005
Abstract: high levels of arterial blood pressure in childhood and adolescence have been often associated with other cardiovascular risk factors apart from arterial hypertension in the adult stage of life. the present study aimed at identifying risk factors associated with high blood pressure in adolescents. the subjects were 674 adolescents from public and private schools in the city of jo?o pessoa, paraíba. these subjects were of both sexes (i.e., 303 boys and 371 girls) and their ages spanned from 14 to 17 years old. by means of a questionnaire, information about the following aspects was gathered: a) socio-demographic status; b) physical activity levels; c) eating habits; d) body mass index; e) consumption of alcohol and smoking. moreover, measurements of arterial pressure (ap) showed that the prevalence of high ap was 7.4 %, being higher in boys (10.2%) when compared with girls (5.1%, p < 0.01). the results of the multivaried analysis indicated that overweight adolescents displayed from five to six times more chance of having high ap than adolescents with light/normal weight (boys: or = 5.5; ci 95% = 1.11-27.53, and girls: or = 4.8; ci 95% = 1.51-15.45). the other variables did not seem to be associated with high ap. in this study, among the various risk factors analyzed, body overweight acted out as the only potential risk factor increasing arterial blood pressure in adolescents, irrespective of their sex and age.
Sensibilidade e especificidade de diferentes critérios de classifica??o do excesso de peso em escolares de Jo?o Pessoa, Paraíba, Brasil
Silva, Kelly Samara da;Lopes, Adair da Silva;Silva, Francisco Martins da;
Revista de Nutri??o , 2010, DOI: 10.1590/S1415-52732010000100004
Abstract: objective: the objective of this study was to describe the proportion of excess weight using different body mass index classification criteria and assess the sensitivity, specificity, and agreement among the criteria. methods: the population included 1,570 students, aged 7-12 years, of the city of jo?o pessoa(pb), in 2005. excess weight was classified according to the world health organization, international obesity task force criteria and other criteria. the percentage of body fat was estimated from skinfold thickness measurements and used as reference criteria (>.25% in males and >.30% in females). results: the proportion of excess weight differed among the different classification systems. it was lower according to the world health organization criteria than to brazilian authors' criteria (p<0.05). body mass index classification criteria presented high sensitivity (83-97%), except for the classification proposed by the world health organization (65% in males and 48% in females). the specificity was high for all the analyzed criteria (85-98%). the kappa index showed good agreement among the criteria, with a small increase for the international obesity task force criteria (kappa=0.72) and smaller agreement for the world health organization criteria (kappa=0.63). conclusion: the analyzed criteria were sensitive for the detection of excess weight, but the world health organization criteria were less sensitive. there was high specificity and agreement among the criteria; however, the values obtained for the different genders and ages varied less when the international obesity task force criteria were used. thus, the results suggest that the international obesity task force criteria are more appropriate for the determination of excess weight in similar populations.
Simultaneidade dos fatores de risco para doen as cr nicas n o transmissíveis em adolescentes: prevalência e fatores associados Simultaneidad de los factores de riesgo para enfermedades crónicas no transmisibles en adolescentes: prevalencia y factores asociados Clustering of risk factors for chronic noncommunicable diseases among adolescents: prevalence and associated factors
Kelly Samara da Silva,Adair da Silva Lopes,Daniel Giordani Vasques,Filipe Ferreira da Costa
Revista Paulista de Pediatria , 2012, DOI: 10.1590/s0103-05822012000300006
Abstract: OBJETIVO: Estimar a prevalência e os padr es dos fatores de risco para doen as cr nicas n o transmissíveis segundo o nível socioecon mico e a idade dos adolescentes. MéTODOS: Estudo transversal de base escolar envolvendo 1.675 adolescentes (53% do sexo feminino), com idades de 11 a 17 anos, de escolas públicas e privadas. O consumo de tabaco e álcool, o alto consumo de gordura na dieta e o baixo nível de atividade física constituíram as variáveis comportamentais. Circunferência da cintura e press o arterial elevada, assim como e baixa aptid o cardiorrespiratória compuseram as variáveis biológicas. Regress o logística multinomial foi realizada para identificar variáveis associadas à simultaneidade dos fatores de risco para doen as cr nicas n o transmissíveis. RESULTADOS: Dos adolescentes, 62 e 31% apresentaram baixa aptid o cardiorrespiratória e elevado consumo de gordura, respectivamente. Dois em cada dez adolescentes tinha dois ou mais comportamentos de risco, e um ter o deles tinham pelo menos dois fatores de risco biológicos para doen as cr nicas n o transmissíveis. No total, 62% dos adolescentes tinham pelo menos dois fatores de risco para doen as cr nicas n o transmissíveis, com maior frequência nos estudantes mais velhos. Na análise simultanea de todas as variáveis, observou-se que o aumento da idade esteve associado ao acúmulo de dois ou mais fatores de risco (sexo masculino com OR 2,10, e feminino com OR 5,74). CONCLUS ES: Seis em cada dez adolescentes tinham pelo menos dois fatores de risco, enquanto a propor o do agrupamento desses fatores aumentou com a idade. Portanto, quanto mais precoce forem as interven es, provavelmente menos adolescentes estar o acometidos por agravos à saúde em idades mais avan adas. OBJETIVO: Estimar la prevalencia y los estándares de los factores de riesgo para enfermedades crónicas no transmisibles, según el nivel socioeconómico y la edad de los adolescentes de Caxias do Sul, en Rio Grande do Sul, Brasil. MéTODOS: Estudio transversal de base escolar, involucrando a 1.675 estudiantes (53,2% del sexo femenino), con edades entre 11 y 17 a os, de escuelas públicas y privadas. El consumo de tabaco y alcohol, el alto consumo de grasa en la dieta y el bajo nivel de actividad física constituyeron las variables comportamentales. Circunferencia de la cintura y presión arterial elevada y baja aptitud cardiorrespiratoria compusieron las variables biológicas. Se realizó regresión logística multinominal para identificar variables asociadas a la simultaneidad de los factores de riesgo para enfermedades crónicas no transmisibles.
Fatores associados à atividade física, comportamento sedentário e participa??o na Educa??o Física em estudantes do Ensino Médio em Santa Catarina, Brasil
Silva, Kelly Samara da;Nahas, Markus Vinícius;Peres, Karen Glazer;Lopes, Adair da Silva;
Cadernos de Saúde Pública , 2009, DOI: 10.1590/S0102-311X2009001000010
Abstract: the objectives of this study were to estimate the prevalence of insufficient physical activity, sedentary behavior, and absence from physical education and associated factors. the santa catarina state adolescents' questionnaire (compac, in portuguese) was applied to a sample of 5,028 adolescents (15-19 years of age) attending public high schools in the state of santa catarina, brazil. information included demographic and socioeconomic indicators. poisson regression analyses were used to test associations. the proportion of students with insufficient physical activity was 28.5%, associated with low consumption of fruits and vegetables (pr = 1.27; 95%ci: 1.15; 1.40) and enrollment in night classes (pr = 1.44; 95%ci: 1.34; 1.54). absence from physical education was reported by 48.6%; employment and older age were negatively associated with absence from physical education. sedentary behavior was reported by 38.4%, but was less frequent in rural areas (pr = 0.52; 95%ci: 0.31; 0.83) and among those enrolled in absence from physical education (rp = 0.73; 95%ci: 0.56; 0.95). the results suggest interventions with specific strategies aimed at ameliorating each contributing factor.
Aptid?o cardiorrespiratória de adolescentes de Florianópolis, SC
Vasques, Daniel Giordani;Silva, Kelly Samara da;Lopes, Adair da Silva;
Revista Brasileira de Medicina do Esporte , 2007, DOI: 10.1590/S1517-86922007000600004
Abstract: suitable levels of cardiorespiratory fitness during adolescence are closely concerned with a healthy lifestyle in adulthood. the objective of this study was to identify cardiorespiratory fitness behavior during adolescence and describe the prevalence of adolescents who fulfilled or not the healthy fitness criterion by sex, age and socioeconomic status (ses). the sample was composed by 963 adolescents (513 males and 450 females) aged 10-15 years old. a questionnaire was answered for attainment of the ses (a + b, c, d + e). to have the cardiorespiratory fitness measured, the pacer test (progressive aerobic cardiovascular endurance run) was conducted. the number of laps completed in the test and the maximal oxygen uptake - vo2max (ml/kg/min) were used as cardiorespiratory performance parameters. the statistical analysis included means and standard deviations, two-way variance analysis with tukey post-hoc test, and chi-squared test (p < 0.05). while the number of laps increased from 10 to 15 years, the vo2max diminished, with no sex differences. low ses adolescents presented lower fitness than the ones from the other ses. 68% of males and 37.2% of females did not reach the healthy fitness criterion. it was verified the majority of the adolescents who did not fulfill the healthy fitness criterion was in the low ses. these findings show that, approximately 2/3 of males and 1/3 of females did not reach the healthy fitness criterion. low ses adolescents presented the lowest levels of cardiorespiratory fitness.
Health risk behaviors Project (COMPAC) in youth of the Santa Catarina State, Brazil: ethics and methodological aspects http://dx.doi.org/10.5007/1980-0037.2013v15n1p1
Kelly Samara da Silva,Adair da Silva Lopes,Luana Peter Hoefelmann,Luciana Gatto de Azevedo Cabral
Revista Brasileira de Cineantropometria e Desempenho Humano , 2013,
Abstract: Several school-based epidemiological surveys have been conducted by researchers worldwide. The aim of this article is to describe the methodological aspects used in planning the COMPAC Project (Behavior of Adolescents from Santa Catarina state) carried out in 2001 and 2011. The project presents state-wide school-based epidemiological characteristics (panel study). The population included public high school students between the ages of 15 to 19 years old from Santa Catarina. The sample (n = 5,028 in 2001; n = 6,529 in 2011) was representative of the six geographic regions of the state and was done in two stages, selecting the following items: (1) schools stratified by size (large: 500 or more students; medium: 200-499, and small: fewer than 200); and (2) shifts (day and evening), randomly chosen considering the proportion of students per grade and shift. In 2001, 5,463 students took part in the study, but 380 were excluded for being outside the age range and 55 were removed because they filled out the questionnaire incorrectly. In 2011, 7,077 students participated, but 508 were excluded and 40 removed for the same reasons mentioned above. The students responded a questionnaire on lifestyle and health risk behavior. Both surveys found a greater proportion of girls, single individuals, living with their family and residing in urban areas. The 2001 survey revealed a higher proportion of 17 to 19 year-olds who worked, who were enrolled in the second year of high school, and studied in the evening when compared to the 2011 survey. The methodological tools utilized in this study will can support the development of research with high school adolescents.
Grupos de pesquisa em cursos de Educa??o Física com pós-gradua??o "stricto sensu" no Brasil: análise temporal de 2000 a 2008
Duca, Giovani Firpo Del;Garcia, Leandro Martin Totaro;Silva, Kelly Samara da;Nascimento, Juarez Vieira do;
Revista Brasileira de Educa??o Física e Esporte , 2011, DOI: 10.1590/S1807-55092011000400006
Abstract: the aim of this study was to describe the evolution of research groups in physical education graduate programs in brazil and their respective scientific production in the period from 2000 to 2008. this was a descriptive study, including secondary data analysis conducted in 2010 with information from the directory of research groups in brazil of the national council for scientific and technological development (cnpq). we analyzed the growth of the research groups, researchers and students to research groups ratio, national and international manuscripts production, books, and book chapters, according to geographical regions, years of data collection, and number of courses in physical education, researchers and students. we used descriptive statistics (ratios, absolute and relative frequencies) for analysis. the first research group in physical education in brazil was created in the 80's, and in 2008 totalized 387. there was a decrease of the representativeness of groups created in institutions with graduate programs (up to 2000: 75.6% 2005-2008: 43.9%). in 2000, there were 453 researchers and 479 students in physical education courses. we identified an increase in the years 2002, 2004, 2006 and 2008, compared to their previous years (researchers: 89%, 71%, 34% and 27% increase; students: 83%, 76%, 42% and 41 increase, respectively). evolution was also observed in the publication of papers of national circulation; gradual increase in those with international circulation and no significant change in book and book chapters publications. the growing number of research groups and scientific publications parallels the development and consolidation of physical education as an academic area.
Associa??es entre atividade física, índice de massa corporal e comportamentos sedentários em adolescentes
Silva, Kelly Samara da;Nahas, Markus Vinicius;Hoefelmann, Luana Peter;Lopes, Adair da Silva;Oliveira, Elusa Santina de;
Revista Brasileira de Epidemiologia , 2008, DOI: 10.1590/S1415-790X2008000100015
Abstract: objective: the objective of this study was to analyze the associations of body mass index (bmi) with physical activity, sedentary behaviors (tv, computer/videogames) in a representative sample (n=5,028) of adolescents (15-19 years) in the state of santa catarina, brazil. methods: data was collected using a validated health behavior questionnaire developed for adolescents. excess body weight was determined according to the international bmi tables developed for adolescents. students were classified as not being physically active if they reported having less than 300 minutes of moderate/vigorous physical activity (mvpa) per week. two or more hours a day was considered excess screen time (tv, computer, games). results: excess body weight was more prevalent (p<0.001) among boys (12.7%) than girls (7.9%), but inadequate physical activity was more prevalent (p<0.001) among girls (37%) than boys (21%). less active boys had a greater chance (74%) of having excess body weight when compared to active ones. among girls, those belonging to families with lower income (or=1.85) and living in urban areas (or=2.22) were at greater risk of having excess body weight. an inadequate level of physical activity was seen among boys with excess screen time or excess body weight. also, working girls were more likely (54%) of being less active. conclusions: excess body weight was more prevalent among boys, although they were more active than girls. for boys, excess body weight was inversely associated with physical activity, while, for girls, it was more prevalent among those with lower income and who lived in urban areas.
Inatividade física no lazer em trabalhadores da indústria do Rio Grande do Sul, Brasil
Duca, Giovani Firpo Del;Oliveira, Elusa Santina A. de;Sousa, Thiago Ferreira de;Silva, Kelly Samara da;Nahas, Markus Vinicius;
Motriz: Revista de Educa??o Física , 2011, DOI: 10.5016/1980-6574.2011v17n1p180
Abstract: the objective of this study was to investigate the prevalence and associated factors to physical inactivity during leisure-time in a representative sample of industrial workers from rio grande do sul, brazil. physical inactivity was defined as the negative response to the question: "do you perform any type of physical activity during leisure-time, such as exercises (calisthenics, walking, jogging), sports, dance or martial arts?" the sample included 2,265 workers, and the prevalence of physical inactivity was 45.6% (ci95%: 43.5; 47.6), which was significantly higher for females, those living with a companion, smokers, those not satisfied with their body weight, and those with a negative perception of their own leisure. besides, it was observed a positive association of physical inactivity with age, and a negative association with self assessment of health status. overall, results indicate that the prevalence of leisure-time physical inactivity among industrial workers in this state was high, with greater exposition to this unhealthy behavior for females, and those perceiving their own leisure-time as not satisfying.
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