No change in 24-h sodium intake estimated from spot urine in Norwegian adults from 2006 to 2019: the population-based Trøndelag Health Study (HUNT)

Author:

Holvik KristinORCID,Abel Marianne HopeORCID,Holmen JosteinORCID,Krokstad SteinarORCID,Totland Torunn HolmORCID,Meyer Haakon EORCID

Abstract

Abstract Objective: Monitoring time trends in salt consumption is important for evaluating the impact of salt reduction initiatives on public health outcomes. There has so far not been available data to indicate if salt consumption in Norway has changed during the previous decade. We aimed to assess whether average 24-h salt intake estimated from spot urine samples in the adult population of mid-Norway changed from 2006–2008 to 2017–2019 and to describe variations by sex, age and educational level. Design: Repeated cross-sectional studies. Setting: The population-based Trøndelag Health Study (HUNT). Participants: In each of two consecutive waves (HUNT3: 2006–2008 and HUNT4: 2017–2019), spot urine samples were collected from 500 men and women aged 25–64 years, in addition to 250 men and women aged 70–79 years in HUNT4. Based on spot urine concentrations of Na, K and creatinine and age, sex and BMI, we estimated 24-h Na intake using the International Cooperative Study on Salt and Blood Pressure (INTERSALT) equation for the Northern European region. Results: Mean (95 % CI) estimated 24-h salt intakes in men were 11·1 (95 % CI 10·8, 11·3) g in HUNT3 and 10·9 (95 % CI 10·6, 11·1) g in HUNT4, P = 0·25. Corresponding values in women were 7·7 (95 % CI 7·5, 7·9) g and 7·7 (95 % CI 7·5, 7·9) g, P = 0·88. Mean estimated salt intake in HUNT4 decreased with increasing age in women, but not in men, and it did not differ significantly across educational level in either sex. Conclusions: Estimated 24-h salt intake in adult men and women in mid-Norway did not change from 2006–2008 to 2017–2019.

Publisher

Cambridge University Press (CUP)

Reference44 articles.

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