Exposure measurement error in PM2.5 health effects studies: A pooled analysis of eight personal exposure validation studies

Table 1 Validation studies used in our analyses

Cities	Years	# Subjects	Sample session	Age	References
			duration	Mean (S.D.)
Atlanta, GA	1999–2000	31	7 days	65.0 (13.5)	[36]
Baltimore, MD	1998–1999	35	12 days	70.8 (7.7)	[30, 33, 37, 38]
Boston, MA	1999–2000	56	7 or 12 days	62.3 (14.1)
Los Angeles, CA	2000–2002	37	7 days	56.3 (13.9)	[34, 35]
RTP, NC	2000–2001	37	7 days	64.5 (7.8)	[40, 41]
RIOPA	1999-2001		48 hr		[32, 39]
Los Angeles, CA		73		46.1 (18.6)
Elizabeth, NJ		57		48.2 (17.8)
Houston, TX		62		48.5 (16.6)
Seattle, WA	2000–2001	89	10 days	76.7 (6.5)	[31]
Steubenville, OH	2000	28	48 hr/we for 12 we	71.0 (10.0)	[29]

ISSN: 1476-069X