Trends in 24-h urinary sodium excretion in the United States, 1957-2003: a systematic review.

ABSTRACT:

Background

Few studies have examined temporal trends in sodium intake in the US population. Collections of 24-h urine sodium excretions are reliable markers for dietary sodium intake.

Objective

We examined temporal trends in 24-h urine sodium excretions to estimate temporal trends in sodium intake in the US population.

Design

We performed a systematic search of English-language articles in MEDLINE for studies that reported collections of 24-h urine sodium excretions in the United States. We estimated mean urine sodium excretions over time for all studies and demographic subgroups.

Results

We analyzed 38 studies, which dated from 1957 to 2003, and estimated a mean (± SE) 24-h urine sodium excretion per person of 3526 ± 75 mg Na. In a multivariate random-effects

SUBMITTER: Bernstein AM 

PROVIDER: S-EPMC2954449 | biostudies-literature | 2010 Nov

REPOSITORIES: biostudies-literature