The outcome must be clearly defined and assessed blindly; The predictors must be clearly defined, standardised and evaluated without knowledge of patient status; The reliability of the variables studied must be demonstrated; Participants must be selected without bias and must represent a large range of clinical and demographic characteristics.
The data for this study came from two distant Brazilian cities, representing a large range of climatic, latitudinal, and demographic characteristics.
Notable societies: Large range of sports clubs.
We compared the interview sample with the ROLO study sample and found that it was representative of the larger study across a range of demographic characteristics including age, educational attainment and smoking status.
The major strengths of the current study include the large sample size and the wide range of demographic, socioeconomic and health-related data collected in the analysis to account for potential confounders.
To validate the differentially methylated CpG sites identified in phase I within a larger number of patients and a broader range of demographic characteristics, we designed a custom VeraCode methylation assay (Illumina, Inc).
"The survey, a small part of the F.B.I.'s much larger re-engineering effort, looked at a wide range of demographic and other measures, focused primarily on vulnerabilities, and mosques in the past have been targeted for violence".
Calibration and validation with larger, individual-level data sets representing patients with a more diverse range of demographic and disease characteristics is planned.
Using national register data covering all residents in Norway, we focus on the five largest immigrant groups and consider whether differences in service use are explained by a range of demographic variables.
We assessed a range of demographic, clinical and pathological, tumour and treatment factors associated with longer-term survival in this large series of patients.
