People from low socio-economic positions in Britain eat more salt than the well off, irrespective of where they live, states a paper led by Warwick Medical School published on January 8 in the BMJ Open journal .
The research was carried out by the World Health Organization Collaborating Centre for Nutrition , based in the Division of Mental Health & Wellbeing of Warwick Medical School at the University of Warwick.
The study looked at the geographical distribution of habitual dietary salt intake in Britain and its association with manual occupations and educational attainments, both indicators of socio-economic position and key determinants of health.
The researchers used the British National Diet and Nutrition Survey (2000-1), a national representative sample of 2,105 men and women aged 19-64 years living in Britain. Salt intake was assessed with two independent methods: a 7-day dietary record and the 'gold standard' 24h urine collections for sodium determination (direct marker of salt intake).
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