Table 1.
Basic characteristics of the 50 participants (Mean ± SD).
Table 2.
Summary statistics of 5-min household PM2.5, meteorological conditions, noise and HRV indices for the 50 participants experienced during 200 visits.
Table 3.
Percentage changes (95% CI)a in HRV indices for interquartile range changes in household PM2.5.
Table 4.
Effect modificationa of the association of HRV indices with interquartile range increases in 4-h mean household PM2.5 by household activities.