Table 3:

Mean percent difference [95% confidence intervals for mean percent difference] in personal exposure in each microenvironment compared to the Home microenvironment.

	N	Home	Work	Transit	Eatery	Other
BC	1310	Ref.	−1 [−13, 14]	129 [101, 162]	93 [58, 137]	24 [8, 44]
PM2.5	1158	Ref.	−70 [−74, −66]	-14 [−25, −1]	8 [−13, 33]	−39 [−47, −29]
CO	1354	Ref.	−57 [−62, −52]	51 [34, 70]	8 [−11, 30]	−22 [−32, −11]
PNC	468	Ref.	−67 [−74, −59]	32 [6, 64]	180 [101, 289]	−11 [−30, 13]