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Figure 6 | International Journal of Health Geographics

Figure 6

From: Are associations between socio-economic characteristics and exposure to air pollution a question of study area size? An example from Scania, Sweden

Figure 6

Bubble diagram for Lund; Percentage of population in Lund born in Sweden versus annual mean concentration of NO 2 at their real estate. The bubbles are sized according to the weight of the estimate, which depends on the size of the population that the estimate is based on. The weight is thus a measure of the uncertainty in the estimate, and large bubbles represent more certain and influential estimates than small bubbles.

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