Fig 1.
Flow chart of participant selection from the China Health and Retirement Longitudinal Study (CHARLS).
Table 1.
Characteristics of participants by arthritis.
Table 2.
Association of vapor pressure deficit with arthritis.
Fig 2.
Restricted cubic spline (RCS) analysis showing the relationship between Vapor Pressure Deficit (VPD) and arthritis incidence in three models.
Fig 3.
Forest plot of subgroup analysis examining the association between VPD and arthritis incidence across different populations.