Salt intake and blood pressure: the triangular hypothesis

Booth, D A, Thompson, A L, Shepherd, R, Land, D G and Griffiths, R P (1987) Salt intake and blood pressure: the triangular hypothesis. Medical Hypotheses, 24 (4). pp. 325-328. ISSN 0306-9877

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Abstract

If an unselected sample includes individuals whose blood pressure is sensitive to their salt intake and individuals whose blood pressure is not sensitive, then the superposition of these two sub-populations in a scatterplot of individuals' blood pressures against their salt intakes could give a triangular distribution. The non-correlation in the insensitives would obscure the correlation expected in the sensitives. This hypothesis justifies truncation of such data to test for correlation between blood pressure and salt intake among only the individuals in the higher range of blood pressures observed. No criterion of salt sensitivity is needed. The analysis should succeed if salt intake makes a major contribution to hypertension and would be improved if other putative causes were factored out.

Item Type: Article
Schools and Departments: School of Psychology > Psychology
Subjects: Q Science > QP Physiology
R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine > RA0601 Food and food supply in relation to public health
Depositing User: prof. David Booth
Date Deposited: 04 Sep 2015 09:24
Last Modified: 04 Sep 2015 09:24
URI: http://sro.sussex.ac.uk/id/eprint/56548
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