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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'>Dear Friends<o:p></o:p></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'>From:<o:p></o:p></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><i><u>INDOOR AIR<o:p></o:p></u></i></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'>doi:10.1111/j.1600-0668.2011.00730.x<o:p></o:p></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'>2011 John Wiley & Sons A/S<o:p></o:p></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-family:AdvPS_UVCB'><o:p> </o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-family:AdvPS_UVCB'>Patterns and predictors of personal exposure to indoor air pollution from biomass combustion among women and children in rural China<o:p></o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-family:AdvPS_UVCB'><o:p> </o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-family:AdvPS_UVCB'>By J. Baumgartner, J. J. Schauer, M. Ezzati,<o:p></o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-family:AdvPS_UVCB'>L. Lu, C. Cheng, J. Patz, L. E. Bautista<o:p></o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><o:p> </o:p></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes-b'>Abstract </span><span style='font-size:10.0pt;font-family:AdvTimes'>Indoor air pollution (IAP) from domestic biomass combustion is an important health risk factor, yet direct measurements of personal IAP exposure are scarce. We measured 24-h integrated gravimetric exposure to particles<o:p></o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'><2.5 <i>µ</i>m in aerodynamic diameter (particulate matter, PM</span><span style='font-size:6.5pt;font-family:AdvTimes'>2.5</span><span style='font-size:10.0pt;font-family:AdvTimes'>) in 280 adult women and 240 children in rural Yunnan, China. We also measured indoor PM</span><span style='font-size:6.5pt;font-family:AdvTimes'>2.5 </span><span style='font-size:10.0pt;font-family:AdvTimes'>concentrations in a random sample of 44 kitchens. The geometric mean<o:p></o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'>winter PM</span><span style='font-size:6.5pt;font-family:AdvTimes'>2.5 </span><span style='font-size:10.0pt;font-family:AdvTimes'>exposure among adult women was twice that of summer exposure [117 <i>µ</i>g/m</span><span style='font-size:6.5pt;font-family:AdvTimes'>3 </span><span style='font-size:10.0pt;font-family:AdvTimes'>(95% CI: 107, 128) vs. 55 <i>µ</i>g/m</span><span style='font-size:6.5pt;font-family:AdvTimes'>3 </span><span style='font-size:10.0pt;font-family:AdvTimes'>(95% CI: 49, 62)]. Children’s geometric mean exposure in summer was 53 <i>µ</i>g/m</span><span style='font-size:6.5pt;font-family:AdvTimes'>3 </span><span style='font-size:10.0pt;font-family:AdvTimes'>(95% CI: 46, 61). Indoor PM</span><span style='font-size:6.5pt;font-family:AdvTimes'>2.5<o:p></o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'>concentrations were moderately correlated with women’s personal exposure (</span><span style='font-size:10.0pt;font-family:AdvTimes-i'>r </span><span style='font-size:10.0pt;font-family:AdvTimes'>= 0.58), but not for children. Ventilation during cooking, cookstove maintenance, and kitchen structure were significant predictors of personal PM</span><span style='font-size:6.5pt;font-family:AdvTimes'>2.5</span><span style='font-size:10.0pt;font-family:AdvTimes'> exposure among women primarily cooking with biomass. These findings can be used to develop exposure assessment models for future epidemiologic research and inform interventions and policies aimed at reducing IAP exposure.<o:p></o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'><o:p> </o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'>+++++++++<o:p></o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'><o:p> </o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'>I do not have a direct link to the document on line. For comparison, the PM2.5 level in Ulaanbaatar in November rises to more than 4000 <i>µ</i>g/m<sup>3</sup> and that is the <i>outdoor</i> air! It is actually cleaner to be inside the room with the stoves. That is why there is so much effort being put into doing something in Mongolia.<o:p></o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'><o:p> </o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'>The handling of the 940 Teflon filters is described which is always good to read to see what issues arose and how they were dealt with.<o:p></o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'><o:p> </o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'>Regards<o:p></o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'>Crispin<o:p></o:p></span></p><p class=MsoNormal style='margin:0mm;margin-bottom:.0001pt;text-autospace:none'><span style='font-size:10.0pt;font-family:AdvTimes'><o:p> </o:p></span></p></div></body></html>