Table 3.

Descriptive information for long-term exposure studies included in the meta-analysis

Study	Location	Time Period	Study Design	Restrictions	Reported or Estimated # of Events (Short-Term) or # of Participants (Long-Term)	Estimated Incidence Rate Ratios (95 % CI) per 10 μg/m3 of PM10–2.5	Estimated Incidence Rate Ratios (95 % CI) per 10 μg/m3 of PM2.5	Median or Mean† PM10–2.5	Median or Mean† PM2.5	Correlation of PM10–2.5 and PM2.5
Long-Term Associations With Non-Accidental Mortality
Beelen et al. 2013	19 Cohorts from 12 European Countries	1985–2007	Cohort Studies		327,780	1.08 (0.96, 1.21)	1.14 (1.04, 1.28)	4.0–20.7†	6.6–31.0†	0.11–0.90
Lipfert et al. 2006	32 Veterans Hospitals, United States	1989–1996	Cohort Study	All-Cause	24,642	1.06 (1.01, 1.11)	1.15 (1.05, 1.26)	16†	14.3†
McDonnell et al. 2000	California, United States	1977–1992	Cohort Study		1,266	1.05 (0.92, 1.20)	1.22 (0.95, 1.58)	27.3†	31.9†	0.5
Pope et al. 2002	50 States, United States	1982–1998	Cohort Study		359,000	1.01 (0.97, 1.05)	1.06 (1.02, 1.11)	19.2†˜	17.7†
Puett et al. 2009	13 Northeast and Midwest States, United States	1992–2002	Cohort Study		66,250	1.03 (0.89, 1.18)	1.26 (1.02, 1.54)	7.7†	13.9†
Puett et al. 2011	13 Northeast and Midwest States, United States	1989–2003	Cohort Study		17,545	0.96 (0.91, 1.02)	0.94 (0.87, 1.00)	10.1†	17.8†

˜ PM₁₅ reported instead of PM₁₀