A categoria dos estudos epidemiológicos descritivos é tema relevante, uma vez que existem
inconsistências na literatura quanto a sua nomenclatura e classificação. Foram revistos …

Much medical research is observational. The reporting of observational studies is often of
insufficient quality. Poor reporting hampers the assessment of the strengths and …

Bias analysis quantifies the infiuence of systematic error on an epidemiology study's
estimate of occurrence or estimate of association. The fundamental methods of bias analysis …

Bias in questionnaires is an important issue in public health research. To collect the most
accurate data from respondents, investigators must understand and be able to prevent or at …

The effect of elevated temperature on mortality is a public health threat of considerable
magnitude. Every year, a large number of hospitalizations and deaths occur in association …

Cohort studies form a suitable study design to assess associations between multiple
exposures on the one hand and multiple outcomes on the other hand. They are especially …

Background There is substantial evidence that mortality increases in low temperatures. Less
is known about the role of prolonged cold periods denoted as cold spells. Objective We …

Background—The combination of cardiovascular risk factors known as the metabolic
syndrome is receiving increased attention from physicians, but data on the syndrome's …

To identify the sociodemographic factors associated to self-medication (ie use of non-
prescription medicines) and undesirable self-medication, a cross-sectional study was …

Objective: There is limited evidence that alcohol warning labels (AWLs) affect population
alcohol consumption. New evidence informed AWLs were introduced in the sole …