Parental Smoking and Risk of Allergic Conjunctivitis in Chinese Pediatric Population: A Cross-Sectional Study

Huan Wang1,2, Shuchang Zhang3

  • 1Department of Ophthalmology, Tianjin Medical University General Hospital, Tianjin, 300052, People's Republic of China.

PubMed

Insights

Parental smoking is linked to a higher risk of allergic conjunctivitis (AC) in children. Reducing parental smoking exposure may help lower the incidence of AC, highlighting the need for public health interventions.

Area of Science:

  • Ophthalmology
  • Pediatrics
  • Public Health

Background:

  • Limited evidence exists on the association between parental smoking and allergic conjunctivitis (AC) in Chinese children.
  • Parental smoking is a potential environmental risk factor for various childhood health issues.

Purpose of the Study:

  • To investigate the association between parental smoking and the risk of allergic conjunctivitis (AC) in children.
  • To provide evidence for public health strategies aimed at reducing childhood exposure to secondhand smoke.

Main Methods:

  • A cross-sectional study involving 4249 children was conducted at Tianjin Children's Hospital.
  • Logistic regression analysis was employed to explore the association between parental smoking and AC.
  • Subgroup analysis and propensity score matching (PSM) were used to ensure the stability of the findings.

Main Results:

  • Parental smoking was found to be significantly associated with an increased risk of AC in children (adjusted odds ratio: 1.17; 95% CI: 1.03-1.34).
  • Significant interactions were observed between parental smoking and mode of delivery/multiple pregnancies regarding AC risk.
  • Subgroup analyses for myopia, hyperopia, and astigmatism did not reveal significant interactions.

Conclusions:

  • Parental smoking is associated with an increased risk of incident allergic conjunctivitis in children.
  • Reducing parental smoking exposure is crucial for lowering the risk of AC in pediatric populations.
  • Public health interventions targeting secondhand smoke reduction are essential for protecting children's eye health.
Abstract