Controlling Time-Dependent Confounding by Health Status and Frailty: Restriction Versus Statistical Adjustment

Further Evidence for Bias in Observational Studies of Influenza Vaccine Effectiveness: The 2009 Influenza A(H1N1) Pandemic

(2013) M. L. Jackson et al.   AMERICAN JOURNAL OF EPIDEMIOLOGY

Hospitalization and Skilled Nursing Care are Predictors of Influenza Vaccination Among Patients on Hemodialysis

(2013) Leah J. McGrath et al.   MEDICAL CARE

Characterizing Vaccine-associated Risks Using Cubic Smoothing Splines

(2012) M. A. Brookhart et al.   AMERICAN JOURNAL OF EPIDEMIOLOGY

Influenza Vaccine Effectiveness in Patients on Hemodialysis

(2012) Abhijit V. Kshirsagar   ARCHIVES OF INTERNAL MEDICINE

Efficacy of Influenza A H1N1/2009 Vaccine in Hemodialysis and Kidney Transplant Patients

(2011) M. Crespo et al.   Clinical Journal of the American Society of Nephrology

Herpes Zoster Vaccine in Older Adults and the Risk of Subsequent Herpes Zoster Disease

(2011) Hung Fu Tseng   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Healthy User and Related Biases in Observational Studies of Preventive Interventions: A Primer for Physicians

(2011) William H. Shrank et al.   JOURNAL OF GENERAL INTERNAL MEDICINE

Why do covariates defined by International Classification of Diseases codes fail to remove confounding in pharmacoepidemiologic studies among seniors?

(2011) Michael L. Jackson et al.   PHARMACOEPIDEMIOLOGY AND DRUG SAFETY

Treatment Effects in the Presence of Unmeasured Confounding: Dealing With Observations in the Tails of the Propensity Score Distribution--A Simulation Study

(2010) T. Sturmer et al.   AMERICAN JOURNAL OF EPIDEMIOLOGY

Validating Studies of Adherence Through the Use of Control Outcomes and Exposures

(2010) M. A. Brookhart et al.   AMERICAN JOURNAL OF HYPERTENSION

Negative Controls

(2010) Marc Lipsitch et al.   EPIDEMIOLOGY

Effect of influenza vaccination on hospitalizations in persons aged 50 years and older

(2010) Roger Baxter et al.   VACCINE

Different Methods of Balancing Covariates Leading to Different Effect Estimates in the Presence of Effect Modification

(2009) M. Lunt et al.   AMERICAN JOURNAL OF EPIDEMIOLOGY

Influenza Vaccination and Mortality: Differentiating Vaccine Effects From Bias

(2009) Bruce Fireman et al.   AMERICAN JOURNAL OF EPIDEMIOLOGY

Statin Adherence and Risk of Accidents

(2009) Colin R. Dormuth et al.   CIRCULATION

New strategies are needed to improve the accuracy of influenza vaccine effectiveness estimates among seniors

(2009) Jennifer Clark Nelson et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Constructing Inverse Probability Weights for Marginal Structural Models

(2008) S. R. Cole et al.   AMERICAN JOURNAL OF EPIDEMIOLOGY

Aspects of Immune Dysfunction in End-stage Renal Disease

(2008) S. Kato et al.   Clinical Journal of the American Society of Nephrology

Influenza vaccination and risk of community-acquired pneumonia in immunocompetent elderly people: a population-based, nested case-control study

(2008) Michael L Jackson et al.   LANCET

Efficient sampling approaches to address confounding in database studies

(2008) James A Hanley et al.   STATISTICAL METHODS IN MEDICAL RESEARCH