Table 3

Knowledge and attitudes about salt intake, precampaign and postcampaign (%)

	Precampaign	Postcampaign	Postcampaign
	Total	Total	Unaware*	Aware*	Adjusted OR†
	(n=2000)	(n=2015)	(n=1744)	(n=271)	Adjusted OR†
Knowledge
Recommended daily salt intake should be<5 grams/day	34.0_a	40.1_b	38.8_a	48.8_b	1.58**
Eating high salt/salty seasoning will be very harmful	43.6a	38.3b	36.2a	51.7b	1.69*
Consuming high levels of salt lead to: (% yes)
Hypertension	87.6	85.7	84.6_a	92.5_b	1.87*
Heart attack	59.6	60.8	59.5_a	69.3_b	1.51*
Stroke	59.9	58.9	57.9_a	65.2_b	1.32
Harmful for bones	45.5a	40.4b	38.7_a	50.6_b	1.64*
Knowledge about foods high in salt: (% definitely)
Seasoning like stock cubes and powders	18.7a	22.8b	21.3a	32.1b	1.72*
Sauces like soy, fish sauce, oyster sauce, etc.	62.2a	58.0b	55.7a	72.3b	2.01*
Attitudes
About salt reduction:
It is very important to reduce salt in cooking (% yes)	64.1a	55.6b	53.2a	71.6b	1.96*
Use of salt alternatives is a safe way of reducing sodium intake (% definitely)	29.2_a	25.6_b	24.9a	30.3b	1.43**
(% Strongly agree and somewhat agree)
Making efforts to use salt alternatives is worthwhile for the health benefits	76.5	77.9	76.9a	83.8b	1.43**
I am worried that too much salt consumption in my family can have very serious consequences	84.8a	89.3b	88.7a	93.4b	1.32
It’s very difficult to control salt consumed in a day	61.3	61.8	63.4a	51.7b	0.67*
I am worried reducing salt in cooking may have negative effects on family’s health	30.7a	34.0b	33.8	35.8	1.11
Reducing salt in cooking is not a priority for me	35.8a	49.5b	49.8	48	0.98
Reducing salt in cooking is something I support	93.3a	95.5b	95.2	97.4	1.81
Reducing salt consumption in my family is a positive way to maintain good health	94.0a	96.0b	95.8	97.4	1.62
Considered following in last 3 months: (% always/often)	(n=2000)	(n=2015)	(n=1633)	(n=257)
Amount of salt/salty sauces added while cooking	12.6a	22.4b	21.4a	28.8b	1.36**
Amount of salt added to food before eating	7.9a	15.9b	14.4a	25.8b	2.08*
Health harms from consuming high salt	45.2a	54.0b	52.0a	66.8b	1.82*
Ways to reduce salt the family consumes	37.7a	43.0b	41.2a	54.6b	1.64*

Values in same row with different subscript ‘a’ and ‘b’ are significantly different at p<0.05 in two-sided test of equality for column proportions.
*Comparisons are currently based on bivariate analysis alone and do not control for potential confounders. Hence, any significant differences between ‘aware’ and ‘unaware’ groups must be interpreted with caution. *significance at 0.01, **significance at 0.05.
†Adjusted for gender, age, primary caregiver, marital status, education, occupation, income, television watching frequency and internet use frequency.