Annex Fine particle components and health – a meta-analysis of epidemiological time series studies of daily mortality and hospital admissions Richard W Atkinson PhD1, Inga C Mill MSc 2, Heather A Walton PhD3,4, H Ross Anderson MD1,3 Contents Bibliography of studies used in the review Figure 1 Sulphate, Mortality, All-cause Figure 2 Sulphate, Mortality, Cardiovascular Figure 3 Sulphate, Mortality, Respiratory Figure 4 Nitrate, Mortality, All cause Figure 5 Nitrate, Mortality, Cardiovascular Figure 6 Nitrate, Mortality, Respiratory Figure 7 Elemental Carbon, Mortality, All-cause Figure 8 Elemental Carbon, Mortality, Cardiovascular Figure 9 Elemental Carbon, Mortality, Respiratory Figure 10 Organic Carbon, Mortality, All-cause Figure 11 Organic Carbon, Mortality, Cardiovascular Figure 12 Organic Carbon, Mortality, Respiratory Figure 13 Sulphate, Hospital Admissions, Cardiovascular or Cardiac Figure 14 Sulphate, Hospital Admissions, Respiratory Bibliography of studies used in the review Goldberg, M.S., Burnett, R.T., Bailar, J.C., Brook, J., Bonvalot, Y., Tamblyn, R., Singh, R., & Valois, M.F. 2001. The association between daily mortality and ambient air particle pollution in Montreal, Quebec 1. Nonaccidental mortality. Environmental Research, 86, (1) 12-25 Ref ID: 19 Maynard, D., Coull, B.A., Gryparis, A., & Schwartz, J. 2007. Mortality risk associated with shortterm exposure to traffic particles and sulfates. Environmental Health Perspectives, 115, (5) 751755 available from: ISI:000246159900035 Ref ID: 43 Goldberg, M.S., Burnett, R.T., Bailar, J.C., Tamblyn, R., Ernst, P., Flegel, K., Brook, J., Bonvalot, Y., Singh, R., Valois, M.F., & Vincent, R. 2001. Identification of persons with cardiorespiratory conditions who are at risk of dying from the acute effects of ambient air particles. Environmental Health Perspectives, 109, (Suppl 4) 487-494 Ref ID: 51 Anderson, H.R., Bremner, S.A., Atkinson, R.W., Harrison, R.M., & Walters, S. 2001. Particulate matter and daily mortality and hospital admissions in the west midlands conurbation of the United Kingdom: associations with fine and coarse particles, black smoke and sulphate. Occupational and Environmental Medicine, 58, (8) 504-510 Ref ID: 69 Ostro, B., Roth, L., Malig, B., & Marty, M. 2009. The Effects of Fine Particle Components on Respiratory Hospital Admissions in Children. Environmental Health Perspectives, 117, (3) 475480 available from: ISI:000263933600038 Ref ID: 95 Valdes, A., Zanobetti, A., Halonen, J.I., Cifuentes, L., Morata, D., & Schwartz, J. 2012. Elemental concentrations of ambient particles and cause specific mortality in Santiago, Chile: a time series study. Environmental Health, 11, available from: ISI:000312645900001 Ref ID: 99 Zanobetti, A. & Schwartz, J. 2006. Air pollution and emergency admissions in Boston, MA. Journal of Epidemiology and Community Health, 60, (10) 890-895 available from: ISI:000240495000015 Ref ID: 105 Sacks, J.D., Ito, K., Wilson, W.E., & Neas, L.M. 2012. Impact of Covariate Models on the Assessment of the Air Pollution-Mortality Association in a Single- and Multipollutant Context. American Journal of Epidemiology, 176, (7) 622-634 available from: ISI:000309411400008 Ref ID: 111 Burnett, R.T., Brook, J., Dann, T., Delocla, C., Philips, O., Cakmak, S., Vincent, R., Goldberg, M.S., & Krewski, D. 2000. Association between particulate- and gas-phase components of urban air pollution and daily mortality in eight Canadian cities. Inhalation Toxicology, 12, 15-39 Ref ID: 135 Levy, J.I., Diez, D., Dou, Y.P., Barr, C.D., & Dominici, F. 2012. A Meta-Analysis and Multisite TimeSeries Analysis of the Differential Toxicity of Major Fine Particulate Matter Constituents. American Journal of Epidemiology, 175, (11) 1091-1099 available from: ISI:000305082300001 Ref ID: 147 Hoek, G., Brunekreef, B., Verhoeff, A., van Wijnen, J., & Fischer, P. 2000. Daily mortality and air pollution in the Netherlands. Journal of the Air & Waste Management Association, 50, (8) 13801389 Ref ID: 175 Klemm, R.J. & Mason, R.M. 2000. Aerosol Research and Inhalation Epidemiological Study (ARIES): Air quality and daily mortality statistical modeling - Interim results. Journal of the Air & Waste Management Association, 50, (8) 1433-1439 Ref ID: 176 Burnett, R.T., Cakmak, S., Raizenne, M.E., Stieb, D., Vincent, R., Krewski, D., Brook, J.R., Philips, O., & Ozkaynak, H. 1998. The association between ambient carbon monoxide levels and daily mortality in Toronto, Canada. Journal of the Air & Waste Management Association, 48, (8) 689700 Ref ID: 224 Hoek, G., Schwartz, J.D., Groot, B., & Eilers, P. 1997. Effects of ambient particulate matter and ozone on daily mortality in Rotterdam, The Netherlands. Archives of Environmental Health, 52, (6) 455-463 Ref ID: 232 Halonen, J.I., Lanki, T., Yli-Tuomi, T., Tiittanen, P., Kulmala, M., & Pekkanen, J. 2009. Particulate Air Pollution and Acute Cardiorespiratory Hospital Admissions and Mortality Among the Elderly. Epidemiology, 20, (1) 143-153 available from: ISI:000261930800023 Ref ID: 238 Cancado, J.E., Saldiva, P.H.N., Pereira, L.A.A., Lara, L.B.L.S., Artaxo, P., Martinelli, L.A., Arbex, M.A., Zanobetti, A., & Braga, A.L.F. 2006. The impact of sugar cane-burning emissions on the respiratory system of children and the elderly. Environmental Health Perspectives, 114, (5) 725729 available from: ISI:000237308500040 Ref ID: 248 Schwartz, J., Dockery, D.W., & Neas, L.M. 1996. Is daily mortality associated specifically with fine particles? Journal of the Air & Waste Management Association, 46, (10) 927-939 Ref ID: 250 Ito, K., Mathes, R., Ross, Z., Nadas, A., Thurston, G., & Matte, T. 2011. Fine Particulate Matter Constituents Associated with Cardiovascular Hospitalizations and Mortality in New York City. Environmental Health Perspectives, 119, (4) 467-473 available from: ISI:000289065900026 Ref ID: 267 Dockery, D.W., Schwartz, J., & Spengler, J.D. 1992. Air pollution and daily mortality: associations with particulates and acid aerosols. Environmental Research, 59, (2) 362-373 Ref ID: 312 Burnett, R.T., Cakmak, S., Brook, J.R., & Krewski, D. 1997. The role of particulate size and chemistry in the association between summertime ambient air pollution and hospitalization for cardiorespiratory diseases. Environmental Health Perspectives, 105, (6) 614-620 Ref ID: 399 Delfino, R.J., Murphy-Moulton, A.M., Burnett, R.T., Brook, J.R., & Becklake, M.R. 1997. Effects of air pollution on emergency room visits for respiratory illnesses in Montreal, Quebec. American Journal of Respiratory & Critical Care Medicine, 155, (2) 568-576 Ref ID: 408 Cakmak, S., Dales, R.E., & Blanco, C. 2009. Components of particulate air pollution and mortality in Chile. International Journal of Occupational and Environmental Health, 15, (2) 152-158 available from: ISI:000266257200006 Ref ID: 412 Burnett, R.T., Dales, R., Krewski, D., Vincent, R., Dann, T., & Brook, J.R. 1995. Associations between ambient particulate sulfate and admissions to Ontario hospitals for cardiac and respiratory diseases. American Journal of Epidemiology, 142, (1) 15-22 Ref ID: 432 Thurston, G.D., Ito, K., Hayes, C.G., Bates, D.V., & Lippmann, M. 1994. Respiratory hospital admissions and summertime haze air pollution in Toronto, Ontario: Consideration of the role of acid aerosols. Environmental Research, 65, (2) 271-290 Ref ID: 441 Burnett, R.T., Dales, R.E., Raizenne, M.E., Krewski, D., Summers, P.W., Roberts, G.R., Raad-Young, M., Dann, T., & Brook, J. 1994. Effects of low ambient levels of ozone and sulfates on the frequency of respiratory admissions to Ontario hospitals. Environmental Research, 65, (2) 172194 Ref ID: 443 Bates, D.V. & Sizto, R. 1989. The Ontario Air Pollution study: Identification of the causative agent. Environmental Health Perspectives, 79, 69-72 Ref ID: 456 Brook, J.R., Burnett, R.T., Dann, T.F., Cakmak, S., Goldberg, M.S., Fan, X.H., & Wheeler, A.J. 2007. Further interpretation of the acute effect of nitrogen dioxide observed in Canadian time-series studies. Journal of Exposure Science and Environmental Epidemiology, 17, S36-S44 available from: ISI:000251751900006 Ref ID: 485 Thurston, G.D., Ito, K., Kinney, P.L., & Lippmann, M. 1992. A multi-year study of air pollution and respiratory hospital admissions in three New York State metropolitan areas: results for 1988 and 1989 summers. Journal of Exposure Analysis and Environmental Epidemiology, 2, (4) 429450 Ref ID: 491 Atkinson, R.W., Fuller, G.W., Anderson, H.R., Harrison, R.M., & Armstrong, B. 2010. Urban ambient particle metrics and health: a time-series analysis. Epidemiology, 21, (4) 501-511 Ref ID: 517 Peng, R.D., Bell, M.L., Geyh, A.S., McDermott, A., Zeger, S.L., Samet, J.M., & Dominici, F. 2009. Emergency admissions for cardiovascular and respiratory diseases and the chemical composition of fine particle air pollution. Environmental Health Perspectives, 117, (6) 957-963 Ref ID: 618 Zidek, J.V., White, R., Le, N.D., Sun, W., & Burnett, R.T. 1998. Imputing unmeasured explanatory variables in environmental epidemiology with application to health impact analysis of air pollution. Environmental and Ecological Statistics, 5, (NO- 2) 99-115 Ref ID: 813 Fairley, D. 1999. Daily mortality and air pollution in Santa Clara County, California: 1989-1996. Environmental Health Perspectives, 107, (8) 637-641 Ref ID: 889 Gwynn, R.C., Burnett, R.T., & Thurston, G.D. 2000. A time-series analysis of acidic particulate matter and daily mortality and morbidity in the Buffalo, New York, region. Environmental Health Perspectives, 108, (2) 125-133 Ref ID: 1073 Mar, T.F., Norris, G.A., Koenig, J.Q., & Larson, T.V. 2000. Associations between air pollution and mortality in Phoenix, 1995- 1997. Environmental Health Perspectives, 108, 347-353 Ref ID: 1120 Lippmann, M., Ito, K., Nadas, A., & Burnett, R. T. 2000, Association of particulate matter components with daily mortality and morbidity in urban populations, Health Effects Institute, 95. Ref ID: 1181 Wichmann, H. E., Spix, C., Tuch, T., Wolke, G., Peters, A., Heinrich, J., Kreyling, W. G., & Heyder, J. 2000, Daily Mortality and Fine and Ultrafile Particles in Erfurt, Germany Part I: Role of Particle Number and Particle Mass, Health Effects Institute, 98. Ref ID: 1205 Goldberg, M.S., Burnett, R.T., Bailar, J.C., Brook, J., Bonvalot, Y., Tamblyn, R., Singh, R., Valois, M.F., & Vincent, R. 2001. The association between daily mortality and ambient air particle pollution in Montreal, Quebec 2. Cause-specific mortality. Environmental Research, 86, (1) 26-36 Ref ID: 1347 Goldberg, M.S., Burnett, R.T., Valois, M.F., Flegel, K., Bailar, J.C., Brook, J., Vincent, R., & Radon, K. 2003. Associations between ambient air pollution and daily mortality among persons with congestive heart failure. Environmental Research, 91, (1) 8-20 available from: ISI:000180859900002 Ref ID: 1520 Villeneuve, P.J., Burnett, R.T., Shi, Y.L., Krewski, D., Goldberg, M.S., Hertzman, C., Chen, Y., & Brook, J. 2003. A time-series study of air pollution, socioeconomic status, and mortality in Vancouver, Canada. Journal of Exposure Analysis and Environmental Epidemiology, 13, (6) 427435 available from: ISI:000186454100002 Ref ID: 1587 Klemm, R.J., Lipfert, F.W., Wyzga, R.E., & Gust, C. 2004. Daily mortality and air pollution in Atlanta: Two years of data from ARIES. Inhalation Toxicology, 16, 131-141 available from: ISI:000222605700014 Ref ID: 1610 Lanki, T., Pekkanen, J., Aalto, P., Elosua, R., Berglind, N., D'Ippoliti, D., Kulmala, M., Nyberg, F., Peters, A., Picciotto, S., Salomaa, V., Sunyer, J., Tiittanen, P., von Klot, S., & Forastiere, F. 2006. Associations of traffic related air pollutants with hospitalisation for first acute myocardial infarction: the HEAPSS study. Occupational and Environmental Medicine, 63, (12) 844-851 available from: ISI:000242421300010 Ref ID: 1659 Kettunen, J., Lanki, T., Tiittanen, P., Aalto, P.P., Koskentalo, T., Kulmala, M., Salomaa, V., & Pekkanen, J. 2007. Associations of fine and ultrafine particulate air pollution with stroke mortality in an area of low air pollution levels. Stroke, 38, (3) 918-922 available from: ISI:000244482500024 Ref ID: 1692 Ostro, B., Feng, W.Y., Broadwin, R., Green, S., & Lipsett, M. 2007. The effects of components of fine particulate air pollution on mortality in California: Results from CALFINE. Environmental Health Perspectives, 115, (1) 13-19 available from: ISI:000243299200026 Ref ID: 1698 Andersen, Z.J., Wahlin, P., Raaschou-Nielsen, O., Ketzel, M., Scheike, T., & Loft, S. 2008. Size distribution and total number concentration of ultrafine and accumulation mode particles and hospital admissions in children and the elderly in Copenhagen, Denmark. Occupational and Environmental Medicine, 65, (7) 458-466 available from: ISI:000256890100005 Ref ID: 1950 Breitner, S., Stolzel, M., Cyrys, J., Pitz, M., Wolke, G., Kreyling, W., Kuchenhoff, H., Heinrich, J., Wichmann, H.E., & Peters, A. 2009. Short-Term Mortality Rates during a Decade of Improved Air Quality in Erfurt, Germany. Environmental Health Perspectives, 117, (3) 448-454 available from: ISI:000263933600034 Ref ID: 1954 Cho, Y.S., Lee, J.T., Jung, C.H., Chun, Y.S., & Kim, Y.S. 2008. Relationship between particulate matter measured by optical particle counter and mortality in Seoul, Korea, during 2001. Journal of Environmental Health, 71, (2) 37-43 available from: ISI:000259122900006 Ref ID: 1958 Mukamal, K.J., Wellenius, G.A., Suh, H.H., & Mittleman, M.A. 2009. Weather and air pollution as triggers of severe headaches. Neurology, 72, (10) 922-927 available from: ISI:000264005000012 Ref ID: 1990 Stoelzel, M., Breitner, S., Cyrys, J., Pitz, M., Woelke, G., Kreyling, W., Heinrich, J., Wichmann, H.E., & Peters, A. 2007. Daily mortality and particulate matter in different size classes in Erfurt, Germany. Journal of Exposure Science and Environmental Epidemiology, 17, (5) 458-467 available from: ISI:000248674400005 Ref ID: 2014 Branis, M., Vyskovska, J., Maly, M., & Hovorka, J. 2010. Association of size-resolved number concentrations of particulate matter with cardiovascular and respiratory hospital admissions and mortality in Prague, Czech Republic. Inhalation Toxicology, 22, Suppl-8 Ref ID: 2051 Bell, M.L., Peng, R.D., Dominici, F., & Samet, J.M. 2009. Emergency hospital admissions for cardiovascular diseases and ambient levels of carbon monoxide: results for 126 United States urban counties, 1999-2005. Circulation, 120, (11) 949-955 Ref ID: 2079 Andersen, Z.J., Olsen, T.S., Andersen, K.K., Loft, S., Ketzel, M., & Raaschou-Nielsen, O. 2010. Association between short-term exposure to ultrafine particles and hospital admissions for stroke in Copenhagen, Denmark. European Heart Journal, 31, (16) 2034-2040 available from: ISI:000281289100020 Ref ID: 2092 Breitner, S., Liu, L.Q., Cyrys, J., Bruske, I., Franck, U., Schlink, U., Leitte, A.M., Herbarth, O., Wiedensohler, A., Wehner, B., Hu, M., Pan, X.C., Wichmann, H.E., & Peters, A. 2011. Submicrometer particulate air pollution and cardiovascular mortality in Beijing, China. Science of the Total Environment, 409, (24) 5196-5204 available from: ISI:000297444800005 Ref ID: 2122 Cao, J.J., Xu, H.M., Xu, Q., Chen, B.H., & Kan, H.D. 2012. Fine Particulate Matter Constituents and Cardiopulmonary Mortality in a Heavily Polluted Chinese City. Environmental Health Perspectives, 120, (3) 373-378 available from: ISI:000301394700024 Ref ID: 2123 Geng, F.H., Hua, J., Mu, Z., Peng, L., Xu, X.H., Chen, R.J., & Kan, H.D. 2013. Differentiating the associations of black carbon and fine particle with daily mortality in a Chinese city. Environmental Research, 120, 27-32 available from: ISI:000313606400004 Ref ID: 2124 Huang, W., Cao, J.J., Tao, Y.B., Dai, L.Z., Lu, S.E., Hou, B., Wang, Z., & Zhu, T. 2012. Seasonal Variation of Chemical Species Associated With Short-Term Mortality Effects of PM2.5 in Xi'an, a Central City in China. American Journal of Epidemiology, 175, (6) 556-566 available from: ISI:000301681600010 Ref ID: 2125 Kioumourtzoglou, M.A., Zanobetti, A., Schwartz, J.D., Coull, B.A., Dominici, F., & Suh, H.H. 2013. The effect of primary organic particles on emergency hospital admissions among the elderly in 3 US cities. Environmental Health, 12, available from: ISI:000323840500001 Ref ID: 2126 Son, J.Y., Lee, J.T., Kim, K.H., Jung, K., & Bell, M.L. 2012. Characterization of Fine Particulate Matter and Associations between Particulate Chemical Constituents and Mortality in Seoul, Korea. Environmental Health Perspectives, 120, (6) 872-878 available from: ISI:000304765700028 Ref ID: 2128 Suh, H.H., Zanobetti, A., Schwartz, J., & Coull, B.A. 2011. Chemical Properties of Air Pollutants and Cause-Specific Hospital Admissions among the Elderly in Atlanta, Georgia. Environmental Health Perspectives, 119, (10) 1421-1428 available from: ISI:000295402400027 Ref ID: 2129 Zhou, J.A., Ito, K., Lall, R., Lippmann, M., & Thurston, G. 2011. Time-Series Analysis of Mortality Effects of Fine Particulate Matter Components in Detroit and Seattle. Environmental Health Perspectives, 119, (4) 461-466 available from: ISI:000289065900025 Ref ID: 2130 Bell, M.L. 2012 Assessment of the Health Impacts of Particulate Matter Characteristics, Health Effects Institute, 161 Ref ID: 2131 Wong, C.M., Rabl, A., Thach, T.Q., Chau, Y.K., Chan, K.P., Cowling, B.J., Lai, H.K., Lam, T.H., McGhee, S.M., Anderson, H.R., Hedley, A.J. 2012 Impact of the 1990 Hong Kong Legislation for Restriction on Sulfur Content in Fuel. Health Effects Institute, 170 Ref ID: 2132 Figure 1 Sulphate, Mortality, All-cause Ref Man id Study Country City Author Year Period ES (95% CI) Amr A,Multi-city 485 Canada 10 Canadian cities Brook 2007 1980-2000 3.96 (0.99, 6.93) 1698 USA 6 California Counties Ostro 2007 2000-2003 -1.90 (-11.34, 7.54) 250 USA 6 Eastern US Counties Schwartz 1996 1979-1988 2.19 (1.28, 3.11) Amr A,Single city 176 USA 2 Georgian Counties Klemm 2000 1998-1999 5.06 (-5.43, 15.55) 1073 USA Buffalo Gwynn 2000 1989-1990 2.27 (0.47, 4.07) 312 USA Tennessee eastern Dockery 1992 1985-1986 8.00 (-15.52, 31.52) 1181 USA Wayne County Lippmann 2000 1992-1994 1.50 (-1.21, 4.21) Eur A,Single city 175 Netherlands Netherlands Hoek 2000 1986-1994 1.26 (0.24, 2.28) 517 UK London Atkinson 2010 2000-2005 0.93 (-2.67, 4.52) 69 UK West Midlands Anderson 2001 1994-1996 -0.69 (-4.01, 2.63) Wpr B,Single city 2123 China Xi'an Cao 2012 2004-2008 0.54 (0.11, 0.96) 2128 South Korea Seoul Son 2012 2008-2009 2.21 (-1.06, 5.49) -10 -5 0 1000xbeta 5 10 Figure 2 Sulphate, Mortality, Cardiovascular Ref Man id Study Country City Author Year Period ES (95% CI) 6 California Counties Ostro 2007 2000-2003 3.58 (-9.15, 16.32) Amr A,Multi-city 1698 USA Amr A,Single city 1347 Canada Montreal Goldberg 2001 1986-1993 5.21 (1.48, 8.93) 267 USA New York Ito 2010 2000-2006 6.21 (2.81, 9.61) 1181 USA Wayne County Lippmann 2000 1992-1994 1.13 (-2.91, 5.16) Eur A,Single city 1494 Netherlands Netherlands Hoek 2003 1994-1996 0.87 (-0.73, 2.47) 517 UK London Atkinson 2010 2000-2005 1.31 (-4.79, 7.41) 69 UK West Midlands Anderson 2001 1994-1996 -2.26 (-7.04, 2.53) Wpr B,Single city 2123 China Xi'an Cao 2012 2004-2008 0.89 (0.29, 1.49) 2128 South Korea Seoul Son 2012 2008-2009 6.10 (-0.75, 12.94) -5 1000xbeta 0 5 10 Figure 3 Sulphate, Mortality, Respiratory Ref Man id Study Country City Author Year Period ES (95% CI) Amr A,Multi-city 1698 USA 6 California Counties Ostro 2007 2000-2003 11.40 (-14.54, 37.35) Amr A,Single city 43 USA Boston Maynard 2007 1999-2002 9.20 (-4.90, 23.30) 1073 USA Buffalo Gwynn 2000 1989-1990 6.75 (0.46, 13.04) 1181 USA Wayne County Lippmann 2000 1992-1994 4.03 (-6.09, 14.16) 3.24 (-6.25, 12.72) Eur A,Single city 517 UK London Atkinson 2010 2000-2005 69 UK West Midlands Anderson 2001 1994-1996 -3.13 (-11.40, 5.14) Xi'an Cao 2012 2004-2008 1.27 (0.54, 2.01) Son 2012 2008-2009 0.72 (-11.65, 13.09) Wpr B,Single city 2123 China 2128 South Korea Seoul -10 1000xbeta 0 10 20 Figure 4 Nitrate, Mortality, All cause Ref Man id Study Country City Author Year Period ES (95% CI) 6 California Counties Ostro 2007 2000-2003 2.03 (-0.11, 4.18) 2 Georgian Counties Klemm 2000 1998-1999 -15.52 (-48.80, 17.76) Amr A,Multi-city 1698 USA Amr A,Single city 176 USA Eur A,Single city 175 Netherlands Netherlands Hoek 2000 1986-1994 1.61 (0.56, 2.66) 517 UK London Atkinson 2010 2000-2005 0.62 (-1.46, 2.71) Xi'an Cao 2012 2004-2008 1.92 (1.09, 2.74) Son 2012 2008-2009 2.90 (-1.15, 6.94) Wpr B,Single city 2123 China 2128 South Korea Seoul -20 -10 1000xbeta 0 10 Figure 5 Nitrate, Mortality, Cardiovascular Ref Man id Study Country City Author Year Period ES (95% CI) 6 California Counties Ostro 2007 2000-2003 2.73 (-0.43, 5.90) New York Ito 2010 2000-2006 -5.97 (-11.56, -0.39) Amr A,Multi-city 1698 USA Amr A,Single city 267 USA Eur A,Single city 175 Netherlands Netherlands Hoek 2000 1986-1994 0.95 (-0.69, 2.58) 517 UK London Atkinson 2010 2000-2005 1.07 (-2.45, 4.59) Xi'an Cao 2012 2004-2008 2.80 (1.67, 3.93) Son 2012 2008-2009 7.36 (-1.15, 15.88) Wpr B,Single city 2123 China 2128 South Korea Seoul -5 1000xbeta 0 5 10 Figure 6 Nitrate, Mortality, Respiratory Ref Man id Study Country City Author Year Period ES (95% CI) 6 California Counties Ostro 2007 2000-2003 -4.30 (-10.51, 1.90) London Atkinson 2010 2000-2005 2.90 (-2.60, 8.41) Amr A,Multi-city 1698 USA Eur A,Single city 517 UK Wpr B,Single city 2123 China Xi'an Cao 2012 2004-2008 3.78 (2.30, 5.27) 2128 South Korea Seoul Son 2012 2008-2009 1.96 (-13.32, 17.25) -10 1000xbeta -5 0 5 10 Figure 7 Elemental Carbon, Mortality, All-cause Ref Man id Study Country City Author Year Period ES (95% CI) 6 California Counties Ostro 2007 2000-2003 8.27 (-6.94, 23.49) Boston Maynard 2007 1995-2002 112.02 (58.76, 165.27) Santiago Cakmak 2009 1998-2006 14.41 (13.18, 15.65) Amr A,Multi-city 1698 USA Amr A,Single city 43 USA Amr B,Single city 412 Chile Wpr B,Single city 2124 China Shanghai Geng 2013 2007-2008 8.42 (2.22, 14.63) 2123 China Xi'an Cao 2012 2004-2008 1.69 (0.45, 2.93) 2128 South Korea Seoul Son 2012 2008-2009 -0.24 (-9.61, 9.14) -20 0 20 40 60 1000*beta Figure 8 Elemental Carbon, Mortality, Cardiovascular Ref Man id Study Country City Author Year Period ES (95% CI) 6 California Counties Ostro 2007 2000-2003 25.77 (3.64, 47.90) New York Ito 2010 2000-2006 31.94 (12.85, 51.03) Santiago Cakmak 2009 1998-2006 17.37 (15.46, 19.29) Amr A,Multi-city 1698 USA Amr A,Single city 267 USA Amr B,Single city 412 Chile Wpr B,Single city 2123 China Xi'an Cao 2012 2004-2008 3.58 (1.80, 5.35) 2128 South Korea Seoul Son 2012 2008-2009 1.00 (-18.89, 20.89) -10 1000*beta 0 10 20 30 Figure 9 Elemental Carbon, Mortality, Respiratory Ref Man id Study Country City Author Year Period ES (95% CI) 6 California Counties Ostro 2007 2000-2003 -44.55 (-104.20, 15.09) Santiago Cakmak 2009 1998-2006 34.56 (31.69, 37.42) Amr A,Multi-city 1698 USA Amr B,Single city 412 Chile Wpr B,Single city 2123 China Xi'an Cao 2012 2004-2008 5.11 (3.03, 7.19) 2128 South Korea Seoul Son 2012 2008-2009 -10.68 (-45.10, 23.73) -40 -20 1000*beta 0 20 Figure 10 Organic Carbon, Mortality, All-cause Ref Man id Study Country City Author Year Period ES (95% CI) 6 California Counties Ostro 2007 2000-2003 1.39 (-0.96, 3.74) Santiago Cakmak 2009 1998-2006 8.61 (7.72, 9.50) Amr A,Multi-city 1698 USA Amr B,Single city 412 Chile Wpr B,Single city 2123 China Xi'an Cao 2012 2004-2008 1.13 (0.57, 1.69) 2128 South Korea Seoul Son 2012 2008-2009 0.85 (-3.43, 5.14) -5 1000*beta 0 5 10 Figure 11 Organic Carbon, Mortality, Cardiovascular Ref Man id Study Country City Author Year Period ES (95% CI) 6 California Counties Ostro 2007 2000-2003 3.35 (-0.13, 6.83) New York Ito 2010 2000-2006 5.84 (1.26, 10.42) Santiago Cakmak 2009 1998-2006 10.74 (9.37, 12.12) Amr A,Multi-city 1698 USA Amr A,Single city 267 USA Amr B,Single city 412 Chile Wpr B,Single city 2123 China Xi'an Cao 2012 2004-2008 2.18 (1.33, 3.03) 2128 South Korea Seoul Son 2012 2008-2009 4.55 (-4.50, 13.61) -5 1000*beta 0 5 11 Figure 12 Organic Carbon, Mortality, Respiratory Ref Man id Study Country City Author Year Period ES (95% CI) 6 California Counties Ostro 2007 2000-2003 -9.28 (-19.54, 0.98) Santiago Cakmak 2009 1998-2006 22.18 (19.76, 24.60) Amr A,Multi-city 1698 USA Amr B,Single city 412 Chile Wpr B,Single city 2123 China Xi'an Cao 2012 2004-2008 2.87 (1.88, 3.86) 2128 South Korea Seoul Son 2012 2008-2009 -5.52 (-21.25, 10.20) -10 1000*beta 0 10 20 Figure 13 Sulphate, Hospital Admissions, Cardiovascular or Cardiac Ref Man id Study Country City Author Year diagcode Period ES (95% CI) Amr A,Multi-city 147 USA 119 US Counties Levy 2012 CV 2000-2008 0.40 (-1.35, 2.15) Amr A,Single city 432 Canada Ontario Burnett 1995 CAR 1983-1988 2.50 (1.30, 3.70) 399 Canada Toronto Burnett 1997 CAR 1992-1994 4.39 (-1.09, 9.87) Eur A,Single city 517 UK London Atkinson 2010 CV 2000-2005 -0.13 (-3.86, 3.60) 69 UK West Midlands Anderson 2001 CV 1994-1996 0.52 (-2.61, 3.64) -5 1000xbeta 0 5 10 Figure 14 Sulphate, Hospital Admissions, Respiratory Ref Man id Study Country City Author Year Period ES (95% CI) 119 US Counties Levy 2012 2000-2008 -0.63 (-4.05, 2.79) Amr A,Multi-city 147 USA Amr A,Single city 408 Canada Montreal Delfino 1997 1992-1993 16.72 (2.24, 31.21) 432 Canada Ontario Burnett 1995 1983-1988 2.65 (1.75, 3.54) 399 Canada Toronto Burnett 1997 1992-1994 7.44 (3.94, 10.95) Eur A,Single city 517 UK London Atkinson 2010 2000-2005 -1.44 (-7.02, 4.15) 69 UK West Midlands Anderson 2001 1994-1996 1.37 (-2.26, 5.00) -10 1000xbeta 0 10 20