Association of socioeconomic status with respiratory mortality and hospitalisations in COPD: a nationwide cohort study.

ABSTRACT:

Background

Socioeconomic status (SES) and air pollution are independently associated with adverse outcomes in patients with chronic obstructive pulmonary disease (COPD). This study investigated the association of SES with respiratory mortality and hospitalisation, while adjusting for air pollution.

Methods

This retrospective cohort study analysed the individual-level and area-level SES indicators, as well as long-term air pollution exposure, associated with COPD in the Korean National Health Insurance Service-National Sample Cohort. The associations of SES with respiratory mortality and hospitalisation were evaluated using Cox proportional hazards models after adjusting for clinical factors and air pollution.

Results

Among 12 820 patients (mean age: 63.5 years, 47.2%

SUBMITTER: Lee H 

PROVIDER: S-EPMC12481353 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature