|
Factors
|
N
|
Awareness a
|
Understanding b
|
Use c
|
|---|
|
Overall
|
688
|
19.5
|
52.3
|
12.6
|
|
Sex
|
|
Male
|
215
|
15.8
|
47.9
|
8.4*
|
|
Female
|
473
|
21.1
|
54.3
|
14.6
|
|
Age
|
|
18–25
|
117
|
33.3**
|
42.7
|
9.4
|
|
26–35
|
228
|
22.8
|
54.4
|
12.7
|
|
36–45
|
116
|
20.7
|
55.2
|
14.7
|
|
46–59
|
149
|
7.4
|
55.7
|
13.4
|
|
≥ 60
|
78
|
10.3
|
50.0
|
12.8
|
|
Source of participants
|
|
Community
|
380
|
21.3
|
56.8**
|
16.8**
|
|
Supermarket
|
308
|
17.2
|
46.8
|
7.5
|
|
Educational level
|
|
Junior high school or below
|
128
|
5.5**
|
35.2**
|
6.3*
|
|
High or technical school
|
177
|
12.4
|
39.0
|
11.9
|
|
Junior college
|
112
|
20.5
|
59.8
|
20.5
|
|
Undergraduate
|
205
|
27.8
|
63.9
|
13.2
|
|
Graduate or above
|
66
|
37.9
|
72.7
|
12.1
|
|
Household monthly income per capita
|
|
≤ 5000
|
411
|
13.6**
|
47.0**
|
9.2*
|
|
5001–10,000
|
181
|
28.2
|
62.4
|
17.7
|
|
10,001–20,000
|
73
|
26.0
|
54.8
|
16.4
|
|
≥ 20,0001
|
23
|
34.8
|
60.9
|
21.7
|
|
BMI
|
|
< 24
|
441
|
21.3
|
53.1
|
10.4
|
|
24–27
|
194
|
15.5
|
51.0
|
17.0
|
|
≥ 28
|
53
|
18.9
|
50.9
|
15.1
|
|
Hypertension
|
|
Yes
|
355
|
21.1
|
56.1*
|
14.1
|
|
No
|
333
|
17.7
|
48.3
|
11.1
|
|
Cardiovascular Disease
|
|
Yes
|
281
|
26.7**
|
59.1**
|
16.0*
|
|
No
|
407
|
14.5
|
47.7
|
10.3
|
|
Chronic Kidney Disease
|
|
Yes
|
85
|
29.4*
|
63.5*
|
18.8
|
|
No
|
603
|
18.1
|
50.7
|
11.8
|
|
Awareness of recommended daily salt intake
|
|
Yes
|
477
|
21.2
|
59.7**
|
14.3
|
|
No
|
211
|
15.6
|
35.5
|
9.0
|
|
Score of attitude towards salt intake d
|
|
Higher
|
304
|
22.7
|
57.9**
|
20.7**
|
|
Lower
|
384
|
16.9
|
47.9
|
6.3
|
|
Salt reduction behavior e
|
|
Yes
|
467
|
19.7
|
58.0**
|
15.4**
|
|
No
|
221
|
19.0
|
40.3
|
6.8
|
- a Proportion of participants aware of sodium label on nutrition information panel
- b Proportion of participants who understood the relationship between sodium and salt
- c Proportion of participants who read or checked the sodium label most of time while shopping
- d The score of participants towards salt intake. “Higher” score was defined as above the average, and “Lower” score was defined as below the average
- e The behavior of usually controlling the salt intake in daily life
- * p < 0.05; ** p < 0.01, the chi-squared test was used to compare the differences among subgroups
