Journal of Environmental and Public Health / 2010 / Article / Fig 2

Research Article

Time-Location Patterns of a Population Living in an Air Pollution Hotspot

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.)
(a) by gender
(b) by age group
(c) by season
(d) by day of the week