Child characteristics, household, and home environmental factors associated with eczema: a cross-sectional study.

Childhood eczema was associated with a range of familial, socioeconomic, residential, and household environmental factors.

Longitudinal studies are warranted to clarify temporal relationships and the mechanisms underlying these associations.

WHAT IS KNOWN: • Childhood eczema is associated with genetic and environmental factors, including dampness and secondhand smoke exposure. • Few studies have comprehensively examined multiple factors associated with childhood eczema.