Table 2.

Measured and estimated mean daily salt intake for Australians aged ≥20 years based upon dietary surveys and 24h urine collections done in Lithgow and compared with values reported by the Australian Health Survey

	Measured salt intake from survey			Derived salt intake using Lithgow sample data weighted up to each population				Reported by the Australian Health Survey*
	Lithgow sample			Lithgow		Australia		Australia
	Mean	95 % CI	IQR†	Mean	95 % CI	Mean	95 % CI	Mean	%‡
Dietary including discretionary salt
Dietary Na (mg/d)	2555	2444, 2666	700–8256	2662	2549, 2776	2688	2560, 2816
Dietary salt (g/d)	6·5	6·2, 6·8	1·8–16·3	6·8	6·5, 7·1	6·8	6·5, 7·2
Dietary without discretionary salt
Dietary Na (mg/d)	2410	2306, 2515	700–6031	2534	2424, 2643	2572	2447, 2696	2431	0·7
Dietary salt (g/d)	6·1	5·9, 6·4	1·8–15·3	6·4	6·2, 6·7	6·5	6·2, 6·8	6·2
Measured using 24 h urine collection
Na (mg/d)	3446	3310, 3582	953–8158	3545	3392, 3698	3558	3377, 3738
Salt (g/d)	8·8	8·4, 9·1	2·4–20·7	9·0	8·6, 9·4	9·0	8·6, 9·5

^*Australian Health Survey estimates from adults aged ≥19 years.

^†Interquartile range (25th percentile–75th percentile).

^‡Relative se of the estimate (%).