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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Eur Respir J. 2015 Jan 8;45(5):1248–1257. doi: 10.1183/09031936.00081414

FIGURE 1.

FIGURE 1

The relationship between particulate matter and symptoms by obesity status. The dashed lines depict obese individuals and the solid lines depict non-obese individuals. a) and b) demonstrate the relationship between particulate matter with an aerodynamic size ≤2.5 μm (PM2.5) and particulate matter with an aerodynamic size 2.5–10 μm (PM2.5-10) and dyspnoea as assessed by the modified Medical Research Council (mMRC) questionnaire, respectively. c) and d) demonstrate the relationship between PM2.5 and PM2.5-10 and the probability of reporting nocturnal symptoms of wheeze, respectively.