Sonia Hernández-Díaz

Sort by:

A structural approach to selection bias.

Miguel A. Hernán, Sonia Hernández-Díaz, James M. Robins
Epidemiology
2004

The term "selection bias" encompasses various biases in epidemiology. We describe examples of selection bias in case-control studies (eg, inappropriate selection of controls) and cohort studies (eg,… (More)

Selective serotonin-reuptake inhibitors and risk of persistent pulmonary hypertension of the newborn.

Christina D. Chambers, Sonia Hernández-Díaz, +4 authors Allen A. Mitchell
The New England journal of medicine
2006

BACKGROUND Persistent pulmonary hypertension of the newborn (PPHN) is associated with substantial infant mortality and morbidity. A previous cohort study suggested a possible association between… (More)

Causal knowledge as a prerequisite for confounding evaluation: an application to birth defects epidemiology.

Miguel A. Hernán, Sonia Hernández-Díaz, Martha M Werler, Allen A. Mitchell
American journal of epidemiology
2002

Common strategies to decide whether a variable is a confounder that should be adjusted for in the analysis rely mostly on statistical criteria. The authors present findings from the Slone… (More)

Medication use during pregnancy, with particular focus on prescription drugs: 1976-2008.

Allen A. Mitchell, Suzanne M. Gilboa, Martha M Werler, Katherine E. Kelley, Carol Louik, Sonia Hernández-Díaz
American journal of obstetrics and gynecology
2011

OBJECTIVE The objective of the study was to provide information on overall medication use throughout pregnancy, with particular focus on the first trimester and specific prescription medications. … (More)

Relative risk of upper gastrointestinal complications among users of acetaminophen and nonsteroidal anti-inflammatory drugs.

Luis Alberto García Rodríguez, Sonia Hernández-Díaz
Epidemiology
2001

Nonsteroidal anti-inflammatory drugs (NSAIDs) have been associated with an increase in upper gastrointestinal complications. There is no agreement, however, on whether all conventional NSAIDs have a… (More)

Major congenital malformations after first-trimester exposure to ACE inhibitors.

William O. Cooper, Sonia Hernández-Díaz, +5 authors W. A. Ray
The New England journal of medicine
2006

BACKGROUND Use of angiotensin-converting-enzyme (ACE) inhibitors during the second and third trimesters of pregnancy is contraindicated because of their association with an increased risk of… (More)

First-trimester use of selective serotonin-reuptake inhibitors and the risk of birth defects.

Carol Louik, Angela E. Lin, Martha M Werler, Sonia Hernández-Díaz, Allen A. Mitchell
The New England journal of medicine
2007

BACKGROUND The risk of birth defects after antenatal exposure to selective serotonin-reuptake inhibitors (SSRIs) remains controversial. METHODS We assessed associations between first-trimester… (More)

Association between nonsteroidal anti-inflammatory drugs and upper gastrointestinal tract bleeding/perforation: an overview of epidemiologic studies published in the 1990s.

Sonia Hernández-Díaz, Luís Alberto García Rodríguez
Archives of internal medicine
2000

BACKGROUND In the last decades, studies have estimated the upper gastrointestinal tract bleeding/perforation (UGIB) risk associated with individual nonsteroidal anti-inflammatory drugs (NSAIDs).… (More)

Neural tube defects in relation to use of folic acid antagonists during pregnancy.

Sonia Hernández-Díaz, Martha M Werler, Alexander Muir Walker, Allen A. Mitchell
American journal of epidemiology
2001

Periconceptional folic acid supplementation reduces the risk of neural tube defects (NTDs). To determine whether periconceptional exposure to folic acid antagonists (FAAs) might therefore increase… (More)

Medications as a Potential Source of Exposure to Phthalates in the U.S. Population

Sonia Hernández-Díaz, Allen A. Mitchell, Katherine E. Kelley, Antonia M. Calafat, Russ B Hauser
Environmental health perspectives
2009

BACKGROUND Widespread human exposure to phthalates, some of which are developmental and reproductive toxicants in experimental animals, raises concerns about potential human health risks.… (More)

Filter Results:

Publication Year

Publication Type

Co-author

Journals and Conferences