Table 2 Correlations between exposure variables
Personal monitoring - PNC | Personal exposure | Stationary indoor (monitoring (home) | ||||||
|---|---|---|---|---|---|---|---|---|
Total period (103/cm3) | While at home (103/cm3) | While away from home (103/cm3) | At home (103/cm3)*h | Away from home (103/cm3)*h | PNC (103/cm3) | PM2.5(μg/m3) | ||
N | 59 | 59 | 59 | 59 | 59 | 81 | 72 | |
Median (5 th , 95 th percentile) | 9.2 | 8.3 | 8.8 | 285.9 | 125.9 | 8.4 | 12.2 | |
(4.5, 36.5) | (3.3, 36.7) | (2.8, 55.5) | (93.2, 1.041) | (14.3, 927.8) | (3.3, 23.0) | (7.5, 24.1) | ||
Personal monitoring - PNC | Total | 1.000 | ||||||
While at home | 0.45* | 1.000 | ||||||
(0.00) | ||||||||
While away from home | 0.93* | 0.10 | 1.000 | |||||
(0.00) | (0.43) | |||||||
Personal exposure | At home | 0.37* | 0.97* | 0.02 | 1.000 | |||
(0.00) | (0.00) | (0.85) | ||||||
Away from home | 0.92* | 0.09 | 0.99* | −0.001 | 1.000 | |||
(0.00) | (0.50) | (0.00) | (0.99) | |||||
Stationary indoor monitoring | PNC | 0.15 | 0.41* | 0.01 | 0.36* | 0.02 | 1.000 | |
(0.24) | (0.00) | (0.94) | (0.00) | (0.86) | ||||
PM 2.5 | 0.22 | 0.44* | 0.03 | 0.38* | 0.05 | 0.49* | 1.000 | |
(0.12) | (0.00) | (0.84) | (0.00) | (0.70) | (0.00) | |||