Epidemiology

A Potential Outcomes Approach to Selection Bias

from Kenah, Eben

A Potential Outcomes Approach to Selection Bias : Epidemiology ) and the traditional definition (where a given measure of association differs between the study sample and the population eligible for inclusion). This approach is nonparametric, and selection bias under the approach can be analyzed using single-world intervention graphs both under and away from th...

Community-Level Risk Factors for Firearm Assault and Homicide: The Role of Local Firearm Dealers and Alcohol Outlets

from Pear, Veronica A.; Wintemute, Garen J.; Jewell, Nicholas P.; Cerdá, Magdalena; Ahern, Jennifer

Community-Level Risk Factors for Firearm Assault and... : Epidemiology udy of Californians, January 2005–September 2015, cases comprised all residents with a fatal or nonfatal firearm assault injury. For each month, we sampled controls from the state population in a 4:1 ratio with cases. Exposures were monthly densities of county-level pawn and nonpawn firearm dealer...

Erratum: “Mindel C. Sheps: Counted, Dead or Alive“

from

Erratum: “Mindel C. Sheps: Counted, Dead or Alive“ : Epidemiology An abstract is unavailable.

High Summer Temperatures and Heat Stroke Mortality in Spain

from Tobías, Aurelio; Madaniyazi, Lina; Gasparrini, Antonio; Armstrong, Ben

High Summer Temperatures and Heat Stroke Mortality in Spain : Epidemiology up period. Methods: We used a space-time-stratified case–crossover design. We analyzed data using conditional quasi-Poisson regression with distributed lag nonlinear models. Results: Spain recorded a total of 285 heat stroke deaths between 1990 and 2016. Heat stroke deaths occurred in 6% of the da...

Comparative Effectiveness of Dynamic Treatment Strategies for Medication Use and Dosage: Emulating a Target Trial Using Observational Data

from Birnie, Kate; Tomson, Charles; Caskey, Fergus J.; Ben-Shlomo, Yoav; Nitsch, Dorothea; Casula, Anna; Murray, Eleanor J.; Sterne, Jonathan A. C.

Comparative Effectiveness of Dynamic Treatment Strategies... : Epidemiology r time-varying confounders. However, IP weights for continuous treatments may be sensitive to model choice. Methods: We describe a target trial comparing strategies for treating anemia with darbepoetin in hemodialysis patients using EHR data from the UK Renal Registry 2004 to 2016. Patients received...