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Fig. 3 | BMC Public Health

Fig. 3

From: Associations between the neighbourhood food environment, neighbourhood socioeconomic status, and diet quality: An observational study

Fig. 3

a Areal interpolation - polygon containment method. a Legend: Black triangle represents the location of the participant’s house. Blue, dashed-line represents the boundary of the 400 m walkshed. Solid blue region is the area included in the 400 m walkshed. Solid red lines represent Canadian Census dissemination area boundaries. Yellow-beige region represents the area of the socio-demographic population characteristics that would be included for estimating socioeconomic status if the polygon containment method was used. b Areal interpolation - buffer containment method. b Legend: Black triangle represents the location of the participant’s house. Blue, dashed-line represents the boundary of the 400 m walkshed. Solid red lines represent Canadian Census dissemination area boundaries. Beige region represents both the area included in the 400 m walkshed and the area of the socio-demographic population characteristics that were included when estimating socioeconomic status using the buffer containment method

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