In the GEMS, matching controls (for sex, age, and community) were sampled from a demographic surveillance database of the area and included if they reported no diarrhea within the previous 7 days.
Limitations of this study include its reliance on a convenience sample from a laboratory serum bank for demographic data and therefore, the proportion of dengue IgM positive patients may be overestimated due to a selection bias.
We examined baseline status predictors of death or inactivity in the HRQL sample from standard demographic status, lifestyle, comorbidity, diabetes, and biomarker variables.
The sample comprised 563 women selected randomly from a demographic surveillance system (DSS) and 263 women who presented for voluntary counseling and testing (VCT).
Clothing companies will be able to ask StyleHop to select a sample of users from a specific demographic, who will be invited to participate in studies where they'll be asked to rate potential product offerings for the upcoming season.
In particular, the KLS samples were derived from a similar demographic as the H1N1 samples (children and young adults) and were processed identically for deep sequencing.
Its competing talent show, "So You Think You Can Dance," also from the "American Idol" family tree, brought in 8.9 million viewers and a strong sampling from the 18-to-49 18-to-49 18-to-49
During the 3-year case/control study, a shorter version of the original HUAS ("HUAS-Lite") was performed 2 3 times per year where 1100 households were randomly sampled from the respective demographic surveillance system for each round completed.
Fourteen-day period prevalence estimates of diarrhea have been determined every 3 5 years since 1993 using representative national samples from the Bangladesh Demographic and Health Surveys; however, the seasonality of the data collection periods were not harmonized across surveys, therefore direct comparisons cannot be made.
Data collection included anthropometric measures, application of the EUROFIT battery, dietary intake (2-day 24 h recall), socio-demographic characteristics, and blood samples from a subsample (n = 301).
