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<jats:title>Abstract</jats:title><jats:sec id="S1368980017000799_abs1" sec-type="general"><jats:title>Objective</jats:title><jats:p>To update the estimate of mean salt intake for the Australian population made by the Australian Health Survey (AHS).</jats:p></jats:sec><jats:sec id="S1368980017000799_abs2" sec-type="general"><jats:title>Design</jats:title><jats:p>A secondary analysis of the data collected in a cross-sectional survey was conducted. Estimates of salt intake were made in Lithgow using the 24 h diet recall methodology employed by the AHS as well as using 24 h urine collections. The data from the Lithgow sample were age- and sex-weighted, to provide estimates of daily salt intake for the Australian population based upon (i) the diet recall data and (ii) the 24 h urine samples.</jats:p></jats:sec><jats:sec id="S1368980017000799_abs3" sec-type="general"><jats:title>Setting</jats:title><jats:p>Lithgow, New South Wales, Australia.</jats:p></jats:sec><jats:sec id="S1368980017000799_abs4" sec-type="subjects"><jats:title>Subjects</jats:title><jats:p>Individuals aged ≥20 years residing in Lithgow and listed on the 2009 federal electoral roll.</jats:p></jats:sec><jats:sec id="S1368980017000799_abs5" sec-type="results"><jats:title>Results</jats:title><jats:p>Mean (95 % CI) salt intake estimated from the 24 h diet recalls was 6·4 (6·2, 6·7) g/d for the Lithgow population compared with a corresponding figure of 6·2 g/d for the Australian population derived from the AHS. The corresponding estimate of salt intake for Lithgow adults based upon the 24 h urine collections was 9·0 (8·6, 9·4) g/d. When the age- and sex-specific estimates of salt intake obtained from the 24 h urine collections in the Lithgow sample were weighted using Australian census data, estimated salt intake for the Australian population was 9·0 (8·6, 9·5) g/d. Further adjustment for non-urinary Na excretion made the best estimate of daily salt intake for both Lithgow and Australia about 9·9 g/d.</jats:p></jats:sec><jats:sec id="S1368980017000799_abs6" sec-type="conclusions"><jats:title>Conclusions</jats:title><jats:p>The dietary recall method used by the AHS likely substantially underestimated mean population salt consumption in Australia.</jats:p></jats:sec>

Original publication

DOI

10.1017/s1368980017000799

Type

Journal article

Journal

Public Health Nutrition

Publisher

Cambridge University Press (CUP)

Publication Date

08/2017

Volume

20

Pages

1887 - 1894