Table 2.

Association between knowledge, attitudes and behaviours and urinary salt excretion (grams per day)

			Adjusted estimate +
		%	Mean (g/d)	P value
Knowledge
Max salt consumption recommendation	<10 g	10	8.5	0.81
	<6 g	18	8.4
	<4 g	31	8.9
	<2 g	41	8.7
Does a high salt diet cause health problems?	Yes	95	8.7	0.10
	No	5	7.5
If yes, what problems? (Raised Blood Pressure)	Yes	81	8.7	0.89
	No	19	8.6
Attitudes
How much salt do you think you consume?	Too much	28	8.9	0.15
	Right amount	50	8.4
	Too little	22	9.1
How important to you is lowering salt in your diet?	Not important	36	8.5	0.39
	Important	64	8.8
Behaviour
Add salt to food at table	Rarely	52	8.9	0.32
	Sometimes	27	8.6
	Always	21	8.3
Add salt when cooking	Rarely	54	8.7	0.99
	Sometimes	27	8.7
	Always	19	8.7
Take regular action taken to control your salt intake?**	Yes	63	8.8	0.25
	No	37	8.5
If yes, what?
-Avoid processed foods	Yes	44	8.6	0.37
	No	56	8.6
-Check labels	Yes	30	8.8	0.17
	No	70	8.5
-Buy low salt alternatives	Yes	34	9.0	0.10
	No	66	8.5
-Use spices	Yes	29	8.6	0.69
	No	71	8.7
-Avoid eating out	Yes	20	8.8	0.65
	No	80	8.7

+Adjusted for possible confounding effects of age, sex, education and body mass index.

**Participants could be taking more than one action to reduce salt intake.