Trials of Hypertension Prevention, phase II structure and content of the weight loss and dietary sodium reduction interventions

Vera I. Lasser, James M. Raczynski, Victor J. Stevens, Mildred K. Mattfeldt-Beman, Shiriki Kumanyika, Marguerite Evans, Ellie Danielson, Arlene Dalcin, David M. Batey, Lorna K. Belden, Amy A. Brewer

Research output: Contribution to journalArticlepeer-review

Abstract

Identifying effective, nonpharmacologic means of preventing or significantly delaying the onset of hypertension would be a major advance in the primary prevention of cardiovascular disease. In the first phase of the Trials of Hypertension Prevention (TOHP I), adults with high-normal diastolic blood pressure were randomly assigned to one of seven nonpharmacologic interventions. Only weight loss and reduction of dietary sodium proved to be effective strategies for reducing blood pressure. The second phase of TOHP (TOHP II) will test the effectiveness of weight loss, reduction of dietary sodium, and their combination of lowering blood pressure and preventing the onset of hypertension over a 3- to 4-year follow-up period. This article describes the three interventions used in TOHP II, methods used to maintain continued participation in this long-term trial, and protocol enhancements designed to maximize intervention effectiveness.

Original languageEnglish (US)
Pages (from-to)156-164
Number of pages9
JournalAnnals of epidemiology
Volume5
Issue number2
DOIs
StatePublished - Mar 1995

Keywords

  • Hypertension
  • dietary sodium
  • nonpharmacologic intervention
  • prevention
  • weight loss

ASJC Scopus subject areas

  • Epidemiology

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