TABLE 3.
Characteristics of the environment in eighteen studies examining the within-participant correlation between ambient and personal PM2.5.
| Study, | Sub-study | Ambient PM2.5 (μg/m3) | Personal PM2.5 (μg/m3) | r | Meteorological data (mean over study period) | |||
|---|---|---|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | r̄ (SD) | IQR | T (°C) | SLP (kPa) | RH (%) | ||
| Janssen et al. 19998 | 17.1 (2.8) | 28.3 (11.3) | 0.83 (0.20) | 0.29 | 10.6 | 101.66 | 76.6 | |
| Ebelt et al. 200045 | 11.4 (4.1) | 18.2 (14.6) | 0.52 (0.17) | 0.70 | 16.6 | 101.60 | 76.6 | |
| Janssen et al. 200027 | 1 | 20.8 (4.0) | 22.2 (25.7) | 0.72 (0.09) | 0.38 | 7.8 | 101.52 | 84.7 |
| 2 | 12.7 (2.0) | 10.9 (4.4) | 0.72 (0.08) | 0.26 | −1.8 | 101.10 | 87.4 | |
| Sarnat et al. 200028 | 1 | 25.2 (11.5) | 22.3 (10.1) | 0.74 (0.12) | 0.30 | 24.6 | 101.56 | 64.6 |
| 2 | 20.5 (9.4) | 15.0 (14.6) | 0.40 (0.14) | 0.73 | 3.1 | 101.75 | 59.9 | |
| Williams et al. 200046 | 22.0 (12.9) | 13.0 (3.2) | 0.73 (0.07) | 0.22 | 24.0 | 101.85 | 68.3 | |
| Rodes et al. 200147,48 | 1 | 22.9 (10.1) | 13.1 (5.9) | 0.44 (0.28) | 0.32 | 9.6 | 102.27 | 75.2 |
| Sarnat et al. 200129 | 1 | 24.7 (14.0) | 21.1 (8.1) | 0.60 (0.22) | 0.37 | 24.4 | 101.63 | 66.2 |
| 2 | 20.1 (9.4) | 18.5 (17.8) | 0.27 (0.08) | 0.41 | 3.1 | 101.75 | 59.9 | |
| Suh et al. 200349 | 1 | ND (ND) | 25.1 (20.8) | ND (ND) | ND | 21.1 | 101.34 | 71.3 |
| 2 | ND (ND) | 19.6 (14.5) | ND (ND) | ND | 13.7 | 101.70 | 69.7 | |
| Adgate et al. 200330 | 10.1 (6.2) | 26.4 (30.2) | 0.09 (0.09) | 0.57 | 16.9 | 101.50 | 62.7 | |
| Liu et al. 200350 | 1 | 8.3 (5.7) | 9.3 (8.4) | 0.47 (0.11) | 0.66 | 9.9 | 101.78 | 78.9 |
| 2 | 8.4 (5.7) | 10.5 (7.2) | 0.40 (0.10) | 0.61 | 10.8 | 101.78 | 77.8 | |
| 3 | 11.9 (5.7) | 10.8 (8.4) | 0.61 (0.14) | 0.60 | 10.0 | 101.82 | 76.0 | |
| 4 | 11.4 (5.7) | 13.3 (8.2) | 0.51 (0.11) | 0.42 | 6.9 | 101.90 | 77.1 | |
| Williams et al. 200351 | 19.2 (8.6) | 23.0 (16.1) | 0.34 (0.04) | 0.29 | 17.2 | 101.92 | 67.4 | |
| Reid 200312 | 1 | 20.6 (9.7) | 16.3 (8.4) | 0.54 (0.14) | ND | 15.7 | 102.01 | 68.3 |
| 2 | 15.7 (5.4) | 15.0 (7.5) | 0.49 (0.12) | ND | 17.2 | 101.64 | 62.0 | |
| Sarnat et al. 200541 | 1 | 15.5 (12.1) | 28.6 (12.2) | 0.61 (0.07) | 0.37 | 22.8 | 101.58 | 62.3 |
| 2 | 11.7 (6.8) | 16.7 (9.8) | 0.35 (0.08) | 0.49 | 2.6 | 101.68 | 60.7 | |
| Kim et al. 200611 | 11.0 (8.0) | 22.0 (42.0) | 0.69 (0.27) | ND | 11.0 | 101.72 | 73.8 | |
| Noullett et al. 200652 | 18.0 (15.0) | 18.0 (13.0) | 0.54 (0.10) | 0.31 | −6.0 | 102.02 | 69.4 | |
| Sarnat et al. 200642 | 1 | 20.1 (9.3) | 19.9 (9.4) | 0.81 (0.19) | 0.35 | 20.7 | 101.63 | 75.0 |
| 2 | 19.3 (12.2) | 20.1 (11.6) | 0.76 (0.11) | 0.28 | 7.0 | 102.12 | 71.8 | |
| Wu et al. 200653 | 11.5 (8.0) | 13.8 (11.1) | 0.46 (0.31) | 1.04 | 9.6 | 101.88 | 48.1 | |
| Brown et al. 200840 | 1 | 9.9 (5.1) | 12.0 (6.0) | 0.22 (0.26) | 0.94 | 2.0 | 101.67 | 59.0 |
| 2 | 11.8 (5.5) | 10.0 (6.2) | 0.68 (0.21) | 0.36 | 20.4 | 101.43 | 70.3 | |
|
| ||||||||
| 18 studies, 1999 – 2008a | 29 | 15.7 (8.0) | 18.2 (10.1) | 0.54 (0.12) | 0.38 | 10.8 | 101.7 | 69.7 |
a
Summary statistics reported as counts or median.
IQR indicates interquartile range of r between participants within studies; r, within-participant ambient PM2.5-personal PM2.5 correlation coefficient; RH, relative humidity; SD, standard deviation; SLP, sea level pressure; T, temperature; ND, no data (Data requested, but not provided as of 06/11/09).