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. 2013 Aug 13;6:34. doi: 10.1186/1757-1146-6-34

Figure 1.

Figure 1

Box-and-whisker-plot of the median (central line), inter-quartile rage (horizontal box edge lines), and range (whiskers), for the Socio-Economic Index for Area classification for each study group (Decile 1, lowest socio-economic status to Decile 10, highest socioeconomic status.