Researchers from the University of Turku, Finland, studied how the neighborhood's socioeconomic status affects people's adherence to national dietary recommendations. Dietary habits were reported with a short survey and, on the basis of the answers, the researchers formed an index which describes the correspondence between eating habits and national dietary recommendations.
Information on the neighborhood socioeconomic status was linked to the participants with address coordinates using the national grid database of Statistics Finland. The database contains information that is based on all Finnish residents on social and economic characteristics at the level of 250 m x 250 m grids.
"The socioeconomic well-being of the neighborhood was measured with education level, household income, and unemployment rate. The results were independent of the participants' own education level, economic situation, marital status and health," says lead author, Docent Hanna Lagström from the Public Health unit of the University of Turku.
Half of the participants had lived in the same address for the entire six-year follow-up. The same phenomenon was discovered among those who had moved to the neighborhood and those who had lived there the entire time: people living in a neighborhood with a lower socioeconomic status had a lower score in the food index than those living in a more prosperous neighborhood.
"Of the single food items, people living in neighborhoods with a higher socioeconomic status ate sausage, meat, fish and vegetables according to recommendations, whereas people in the less prosperous neighborhoods more often adhered to the recommendations concerning dark bread and consuming alcohol. The consumption of non-fat milk, fruits and berries did not correlate with the neighborhood socioeconomic status," explains Lagström.
She finds it especially interesting that people who moved to a neighborhood with a higher socioeconomic status ate more healthily than those who moved to a less prosperous neighborhood. "This could implicate that neighborhoods can offer a very different selection of food items and therefore narrow the opportunities to improve one's diet or to follow the recommendations."
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