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Table 4 Pearson correlations within and between microenvironments for PM exposure metrics (125 records)

From: Within-microenvironment exposure to particulate matter and health effects in children with asthma: a pilot study utilizing real-time personal monitoring with GPS interface

  1. See text for more detail on pollution variable definitions. H = Home, T = Transit, S = School microenvironments. Pollution variables were considered on the natural log scale (before taking the relevant summary statistic). Correlations exceeding 0.7 are shown in red, and those with |r| < 0.3 are in blue