To seek associations between meteorological factors, concentrations of air pollutants or pollen, and an asthma epidemic which occurred in London on 24 25 June 1994 after a thunderstorm.Retrospective study patients' accident emergency department records, with bivariate multivariate analysis environmental factors data collection for the two months surrounding epidemic.The St Mary's Hospital west central London.148 patients presenting 1 31 July 1994, whom 40 presented hours storm.The was...

Abstract Background Structural equation modelling (SEM) has been increasingly used in medical statistics for solving a system of related regression equations. However, great obstacle its wider use difficulty handling categorical variables within the framework generalised linear models. Methods A large data set with known structure among two outcomes and three independent was generated to investigate Yule's transformation odds ratio (OR) into Q-metric by (OR-1)/(OR+1) approximate Pearson's...

OBJETIVO: Analisar a prevalência e os fatores de risco relacionados ao uso indevido drogas entre estudantes uma escola pública primeiro segundo graus. MÉTODOS: Foi realizado estudo descritivo transversal, utilizando, como instrumento pesquisa, um questionário anônimo, padronizado amplamente testado no Brasil para levantamento do drogas. A população estudada foi constituída 478 graus, Florianópolis, SC. Os questionários foram aplicados por universitários devidamente treinados. Entre...

Abstract Social capital is a concept that attempts to describe the quantity and quality of social interactions in community. This study explores relationship between individual measures alternative health status within context large national survey population health. Using data for 13 753 adult participants 2003 Health Survey England, linear regression with weighted least‐squares estimation Tobit upper censoring were used model EQ‐5D utility scores. In addition, logistic was dichotomous...

To evaluate the magnitude of under-reporting number deaths due to COVID-19 in Brazil 2020, previously shown occur low rate laboratory testing for SARS-CoV-2, reporting delay, inadequate access medical care, and its poor quality, leading sensitivity epidemiological surveillance outcomes, often without confirmation cause death.Excess mortality was estimated directly based on various data sources, indirectly, difference between observed expected from serious acute respiratory infection (SARI)...

OBJETIVO: estimar a prevalência de depressão em pacientes com síndrome da fibromialgia (SF), assim como condição qualidade vida destes pacientes; e avaliar magnitude associação entre vida. MÉTODOS: foram selecionados 70 SF que compareceram às consultas médicas duas instituições públicas seis consultórios particulares reumatologia. Foram aplicados dois questionários: o General Health Questionaire (GHQ-28), para rastrear depressão, Medical Outcome Short Form Survey (SF-36) medir vida, composto...

Information and communication technology (ICT) has been used with increasing frequency for the assessment of diet physical activity in health surveys. A number Web-based questionnaires have developed children adolescents. However, their usability characteristics scarcely reported, despite potential importance improving feasibility validity ICT-based methods.The objective this study was to describe evaluation Consumo Alimentar e Atividade Física de Escolares (CAAFE) questionnaire (Food...

Objective To identify factors that are predictive of late initiation antenatal care in England and Wales. Design A multivariate binomial regression model was constructed to examine the association between clinical, provider sociodemographic characteristics care. Setting Nine maternity units Northern North Population total 20,771 women with a singleton pregnancy who delivered liveborn or stillborn baby 1 August 1994 31 July 1995. All analyses were based on 17,765 (85.5%) for whom information...

Abstract Objective To describe the food intake of garbage collectors, who works in three shifts, terms meal and snack frequency, content, time distribution contribution various popular foods to total diet. Methods Sixty‐six Brazilian work morning, afternoon, night shift, participated present study. The quantitative methods used were a combination one 24‐h recall two records during nonconsecutive days. qualitative method was food‐based classification eating episodes model modified order...

To evaluate the interobserver variation in diagnosis of cervical intraepithelial lesions, including new category "borderline abnormalities uncertain significance" (BAUS) which has not been tested before.Biopsy specimens 122 patients were reviewed by five histopathologists and diagnoses subjected to kappa statistical analysis.There was poor agreement all categories, particularly between BAUS normal tissue.The current guidelines for histological neoplasia are poorly reproducible.

Background . A common feature of studies that have compiled lists or catalogues preference-based health-related quality-of-life weights for inclusion within quality-adjusted life years (QALYs) is their focus upon adult populations. More generally, utility measurement in on behalf children has been constrained by a number methodological concerns. Objective To augment previous estimating Health Utilities Index Mark 3 (HUI3) multiattribute scores associated with wide range childhood conditions....

O estudo objetivou conferir validade à terceira versão do Questionário Alimentar Dia Anterior (QUADA-3) para escolares. QUADA-3 é um instrumento estruturado com seis refeições e 21 alimentos. Participaram 164 escolares de 6 a 11 anos idade, uma escola pública período integral, em 2007. A foi testada pela comparação entre os itens alimentares selecionados no questionário observação direta alimentos consumidos três dia anterior (lanche da manhã, almoço, lanche tarde). Análise regressão...

Abstract Background The Food Intake and Physical Activity of School Children ( CAAFE ) comprises an online questionnaire to self‐report diet physical activity Brazilian schoolchildren. present study aimed assess the validity (matches, omissions intrusions) moderating factors . Methods Direct observation was made foods consumed (five public schools) child self‐reporting on Additional data included school grade, gender, body mass index, completion food diary, socioeconomic status access...

Tackling social inequalities in health has been a priority for recent UK governments. We used repeated national cross-sectional data 155,311 participants (aged ≥16 years) the Health Survey of England to examine trends socio-economic self-reported over period sustained policy focus by successive governments aimed at tackling health. Socio-economic related were estimated using Registrar General's occupational classification (1996–2009), and sensitivity analyses, National Statistics...

Traumatic brain injury (TBI) is a worldwide social, economic and health problem related to premature death long-term disabilities. There were no prospective multicentric studies analysing the predictors of TBI mortality estimating burden in Brazil. To address this gap, we investigated prospectively: 1) hospital its determinants patients admitted with severe analyzed three reference centers; 2) estimated by years life lost (YLLs) due based on considering mortality. Between April 2014 January...

Pupil reactivity and the Glasgow Coma Scale (GCS) score are most clinically relevant information to predict survival of traumatic brain injury (TBI) patients.We evaluated accuracy GCS-Pupil (GCS-P) as a prognostic index hospital mortality in Brazilian patients with severe TBI compare it model combining GCS pupil response additional clinical radiological factors.Data from 1,066 5 prospective studies were analyzed. We determined association between combination GCS, reactivity, age, glucose...

To investigate the relationship between levels of adipokines and other endocrine biomarkers patient outcomes in hospitalized patients with COVID-19.