Cluster Sampling
Mostrando 1-12 de 113 artigos, teses e dissertações.
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1. Self-reported symptoms and seroprevalence against SARS-CoV-2 in the population of Mato Grosso: a household-based survey in 2020
SUMMARY OBJECTIVE: This study aimed to analyze the association between self-reported symptoms and seroprevalence against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in the population of Mato Grosso. METHODS: A household-based survey was conducted on 4,206 adults from 10 municipalities of Mato Grosso, in the Brazilian Midwest, who were sele
Revista da Associação Médica Brasileira. Publicado em: 2022
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2. Recent dengue virus infection: epidemiological survey on risk factors associated with infection in a medium-sized city in Mato Grosso
ABSTRACT BACKGROUND: Dengue is considered to be the most important arbovirus worldwide, with important complications that increase its lethality. In Brazil, an endemic country, the disease reaches significant incidence levels, with occurrences of serious cases and high costs of hospitalizations for its treatment. OBJECTIVE: To analyze risk factors among in
Sao Paulo Medical Journal. Publicado em: 2022
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3. Neck pain and associated factors in a sample of high school students in the city of Bauru, São Paulo, Brazil: cross-sectional study
ABSTRACT BACKGROUND: Neck pain is a major public health problem. OBJECTIVE: The aim of the present study was to determine the prevalence of neck pain among high school students and to analyze associations with sociodemographic variables, use of electronic devices, habitual physical activity practices and mental health problems. DESIGN AND SETTING: Cros
Sao Paulo Med. J.. Publicado em: 2021-02
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4. Heterogeneity test for optimising nickel sampling protocols
Abstract Fundamental Sampling Error (FSE) is generated whenever a sample is taken from a lot of particulate material and is caused by an intrinsic characteristic of every mineral deposit: the constitutional or intrinsic heterogeneity of the ore. FSE is the only error that can never be eliminated in sampling processes, but it can be reduced to acceptable valu
REM, Int. Eng. J.. Publicado em: 2020-06
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5. Elemental Composition of Particulate Matter in the Southeastern Brazilian Ceramic Pole by Synchrotron Radiation X-ray Fluorescence Technique (SR-XRF)
In the present study, the elemental content of the particulate matter PM2.5 (particulate matter with diameters lower than 2.5 µm) and PM10 (particulate matter with diameters lower than 10 µm) of the Brazilian city of Rio Claro (SP) were analyzed by synchrotron radiation X-ray fluorescence (SR-XRF) in the Brazilian Synchrotron Light Laboratory (LNLS). A fra
J. Braz. Chem. Soc.. Publicado em: 2020-06
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6. Lifetime prevalence, sociodemographic predictors, and comorbidities of oppositional defiant disorder: the National Epidemiology of Iranian Child and Adolescent Psychiatric disorders (IRCAP)
Objective: This was the first national epidemiological study on oppositional defiant disorder (ODD) in Iran, which provided new information about the prevalence, comorbidities, and sociodemographic predictors of ODD. Methods: Data from a face-to-face household survey of 30,532 children and adolescents aged 6-18 years were collected from across all 31 provi
Braz. J. Psychiatry. Publicado em: 2020-04
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7. Correlation of Low CD4+ Counts with High Dental Caries Prevalence in Children Living with Perinatal HIV/AIDS Undergoing Antiretroviral Therapy
Abstract Objective: To investigate the correlation Cluster of Differentiation 4+ (CD4+) counts with a high prevalence of dental caries in Children Living with Perinatal Human Immunodeficiency Virus/Acquired Immunodeficiency Syndrome (CLWPHA). Material and Methods: An analytical observational research with a cross-sectional design was conducted at Tertiary
Pesqui. Bras. Odontopediatria Clín. Integr.. Publicado em: 13/01/2020
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8. Abortion among women living with or not living with HIV/AIDS users of public health services in São Paulo municipality: prevalence, contexts and reasons
Resumo Objetivos: investigou-se a prevalência de aborto provocado alguma vez na vida e os contextos de vida e motivos referidos para realização do primeiro aborto entre mulheres vivendo (MVHA) e não vivendo com HIV/AIDS (MNVHA). Métodos: amostras representativas de 975 usuárias da rede especializada em HIV/AIDS e de 1.003 usuárias da rede de atenç�
Rev. Bras. Saude Mater. Infant.. Publicado em: 13/01/2020
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9. Acidentes de trânsito com condutores de veículos: incidência e diferenciais entre motociclistas e motoristas em estudo de base populacional
RESUMO: Objetivos: Estimar incidências de acidentes de trânsito entre condutores de veículos a motor e verificar diferenciais do evento entre as vítimas motociclistas e motoristas de automóvel. Métodos: Foi conduzido um inquérito domiciliar no município de Jequié, Bahia, em 2013, com 1.406 condutores selecionados por amostragem por conglomerado.
Rev. bras. epidemiol.. Publicado em: 05/12/2019
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10. Prevalência de transtornos mentais comuns e fatores associados em moradores da área urbana de São Paulo, Brasil
Resumo: Estudos realizados nos países em desenvolvimento descrevem um aumento progressivo dos transtornos mentais, com grandes repercussões sociais e econômicas. O presente estudo se propõe a analisar a prevalência dos transtornos mentais comuns (TMC) e seus fatores associados nos moradores da área urbana da cidade de São Paulo, Brasil. A partir dos d
Cad. Saúde Pública. Publicado em: 31/10/2019
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11. Consumo de açúcares de adição por adolescentes em estudo de base populacional
Resumo Objetivou-se estimar a prevalência de ingestão de açúcares de adição dentro do limite máximo de 5% da energia total da dieta, segundo variáveis demográficas, socioeconômicas, de comportamentos relacionados à saúde e estado nutricional, em adolescentes. Trata-se de estudo transversal de base populacional, com amostra por conglomerados e em
Ciênc. saúde coletiva. Publicado em: 09/09/2019
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12. Lifetime prevalence, sociodemographic predictors, and comorbidities of oppositional defiant disorder: the National Epidemiology of Iranian Child and Adolescent Psychiatric disorders (IRCAP)
Objective: This was the first national epidemiological study on oppositional defiant disorder (ODD) in Iran, which provided new information about the prevalence, comorbidities, and sociodemographic predictors of ODD. Methods: Data from a face-to-face household survey of 30,532 children and adolescents aged 6-18 years were collected from across all 31 provi
Braz. J. Psychiatry. Publicado em: 19/08/2019