Ozone exposure and semen quality in low-income men with unhealthy behaviours in Foshan, China: a case-control study.

ABSTRACT:

Objective

To assess the association between ambient ozone (O₃) exposure and semen quality among men with unhealthy behaviours and low income.

Design and setting

A case-control study was conducted from February 2024 to January 2025, in which male participants aged 18-45 years were recruited from Foshan, and following propensity score matching, a total of 820 participants were included in the final analysis.

Methods

The evaluated the association between O₃ exposure during the 70-90 days, 10-14 days, 0-9 days and 0-90 days prior to semen collection and semen quality using stepwise conditional logistic regression analyses, and restricted cubic splines were incorporated into the models.

Results

O₃ exposure during the 70-90 days and 0

SUBMITTER: Chen W 

PROVIDER: S-EPMC12927375 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature