Figure 1From: Tobacco use and caries risk among adolescents – a longitudinal study in Sweden Geo-map on household purchasing power for the 61 parishes in the county of Halland. The residential areas (parishes) were classified into <10%, 10–19.9%, 20–20.9% and ≥30% of the residing families with low household purchasing power according to Swedish standards (see definition in the methods section). The thicker borderlines delimit the six municipalities of Halland.Back to article page