Residential greenness associate with psychiatric problem and physical-psychological multimorbidity among 6900 Chinese middle-aged and older adults.

ABSTRACT: Psychological problem and physical-psychological multimorbidity is rising among middle-aged and older adults in China. Whether residential greenness, air pollution and systemic inflammation jointly influence psychiatric outcomes remains unclear. Using a retrospective cross-sectional design based on 2015 China Health and Retirement Longitudinal Study (CHARLS) data, we investigated the link between the Normalized Difference Vegetation Index (NDVI) and psychiatric problems/comorbidities, and evaluated the roles of ambient pollutants (PM₂.₅, PM₁₀) and the inflammatory biomarker C-reactive protein (CRP). The final sample included 6900 adults aged ≥ 45 years. Key findings revealed that a 0.1-unit increase in NDVI was associated with an 18% lower risk of psychiatric problems (OR = 0.82, 95% CI 0.

SUBMITTER: Fu W 

PROVIDER: S-EPMC12623937 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature