Jonathan Freeman, Donald A. Goldmann and John E. McGowan, Jr. Most information in hospital epidemiology comes from observational studies of hospitalized patients, not from planned experiments. Data ...

Recommendations for reporting instrumental variable analyses often include presenting the balance of covariates across levels of the proposed instrument and levels of the treatment. However, such ...

Confounding variables (i.e., those associated in this sample with child food security) were controlled in multivariate analysis. These include whether the caregiver was U.S.-born, caregiver education, ...