The Predictors of High Dietary Salt Intake among Hypertensive Patients in Iran

Table 5

Patient knowledge on the recommended salt intake for healthy and unhealthy people.

	Recommended salt intake for healthy people		Recommended salt intake for unhealthy people
	Correct answer^a N (%)	^c	Correct answer^b N (%)	^c
Sex
Women	11 (8.5)	<0.001^d	43 (33.3)	0.538^e
Men	23 (30.3)		22 (28.9)
All	34 (16.6)		65 (31.7)
Education level (year)		0.887^d		0.420^d
0	19 (16.2)		38 (31.6)
1–6	11 (15.9)		20 (29.0)
7 and above	4 (22.2)		7 (38.9)
Occupation		0.002^e		<0.001^d
Employed	21 (61.0)		23 (35)
Unemployed/	13 (38.0)		42 (64)
FAS (item)^g		0.060^d		0.452^e
High level (15–23)	21 (22.1)		33 (34.7)
Low/moderate level (0–14)	13 (11.8)		32 (29.1)
BMI (kg/m2)^j		0.882^d		0.649^e
Underweight (18.51–25.00)	5 (20.0)		6 (24.0)
Normal weight (25.01–30.00)	13 (15.5)		25 (31.6)
Overweight and obesity (30.01 and above)	16 (15.8)		34 (33.7)
Blood pressure (systolic/diastolic)		<0.001^d		<0.001^e
Normotensive (under 140/90)	19 (13.0)		50 (35.0)
Borderline^k	9 (20.0)		12 (27.9)
Hypertensive (≥140/90)	6 (28.0)		3 (14.0)

^a,Patient’s knowledge about recommended optimal salt intake for healthy people, ^bpatient’s knowledge about recommended optimal salt intake for unhealthy people, and ^c,d,e value derived from chi-squared test and Fishers’ exact test. ^gFamily Affluence Scale, ^jbody mass index, and ^kborderline: cystolic≤140 and diastolic >90, systolic >140 and diastolic ≤90.