Interaction between residential greenness and air pollution mortality: analysis of the Chinese Longitudinal Healthy Longevity Survey.

ABSTRACT:

Background

Both air pollution and green space have been shown to affect health. We aimed to assess whether greenness protects against air pollution-related mortality.

Methods

We used data from the 2008 wave of the Chinese Longitudinal Healthy Longevity Survey. We calculated contemporaneous normalised difference vegetation index (NDVI) in the 500 m radius around each participant's residence. Fine particulate matter (PM_2·5) concentration was calculated using 3-year average concentrations in 1 km × 1 km grid resolution. We used Cox proportional hazards models to estimate the effects of NDVI, PM_2·5, and their interaction on all-cause mortality, adjusted for a range of covariates.

Findings

The cohort contained 12 873 participants, totalling 47 884 per

SUBMITTER: Ji JS 

PROVIDER: S-EPMC7232951 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature