]>Time-Location Patterns of a Population Living in an Air Pollution Hotspot : Figure 2
625461.fig.002a
(a) by gender
625461.fig.002b
(b) by age group
625461.fig.002c
(c) by season
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(d) by day of the week
Figure 2: Comparison of the weighted mean percentages of time spent in each microenvironment between the Camden study cohort ( 𝑁 = 335) and the U.S. general population ( 𝑁 = 9368) [9]. (Red bars are the weighted NHAPS means, which represent the general U.S. population levels.)