Background: Prior meta-analyses report a 2-to 4-fold increased risk of later cardiovascular
disease among women with a history of hypertensive disorders of pregnancy (HDP). Given …

Selection bias remains a subject of controversy. Existing definitions of selection bias are
ambiguous. To improve communication and the conduct of epidemiologic research focused …

Background Overadjustment bias occurs when researchers adjust for an explanatory
variable on the causal pathway from exposure to outcome, which leads to biased estimates …

Objective The aim of this study was to identify the occupational risk for a SARS-CoV-2
infection in a nationwide sample of German workers during the first wave of the COVID-19 …

Importance Preterm birth (PTB)(gestational age< 37 weeks) is a major cause of infant
mortality and morbidity in the US and is marked by racial and ethnic and socioeconomic …

Abstract Purpose Sulfur amino acids (SAAs) have been associated with obesity and obesity-
related metabolic diseases. We investigated whether plasma SAAs (methionine, total …

In epidemiology, collider stratification bias, the bias resulting from conditioning on a common
effect of two causes, is oftentimes considered a type of selection bias, regardless of the …

Background Knowledge concerning exposure to abuse in adulthood and in pregnancy in
people with multiple sclerosis (MS) is sparse. Objective To determine the occurrence of adult …

BACKGROUND Rates of severe maternal morbidity are steadily increasing in the United
States and are highest among women who are Black, publicly insured, or deliver at a safety …

In 2022, approximately one out of six people globally experienced infertility at some point in
their life. Environmental chemicals, particularly those with endocrine disrupting activity, may …