期刊
NUTRITION RESEARCH
卷 89, 期 -, 页码 1-9出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.nutres.2021.02.002
关键词
Aging; Blood pressure; Hypertension; Sodium; Taste perception
The study found that salt intake increases with age in Japanese adults, which should be taken into consideration when devising strategies to lower salt intake.
Excess salt intake is linked to cardiovascular disease as well as hypertension, but whether individual salt intake increases with age has not been studied. The present study was de-signed to test the hypothesis that individual salt intake increases with age in Japanese adults. In this retrospective observational follow-up study, men and women age >= 30 years who participated in a baseline health checkup (2008-2009) at our center and had a health checkup 10 years later (n = 2598) were enrolled and salt intake was estimated by spot urine analysis. Yearly changes in salt intake were also assessed in participants with complete an-nual data over the course of 10 years from baseline (n = 1543). The follow-up study demon-strated increased salt intake (8.8 +/- 2.0 to 9.3 +/- 2.1 g/d, P < .001) with increasing age (54.0 +/- 9.7 to 64.0 +/- 9.8 years). Salt intake increased year over year in participants who had a health checkup annually for the 10-year follow-up period (n = 1543; analysis of variance, P < .001). Cross-sectional analyses using propensity-matched model revealed similar regional levels of salt intake in the baseline period (8.9 +/- 2.0 g/d, 55.8 +/- 11.4 years, n = 5018) and at 10 years (8.8 +/- 2.0 g/d, P = .21; 55.9 +/- 13.0 years, P = .65, n = 5105). These results suggest that dietary salt intake increases with age in Japanese adults, which should be considered in devising population-based strategies to lower dietary salt intake. (c) 2021 Elsevier Inc. All rights reserved.
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