Educational Level

X² Test

Understanding of the symptoms of high blood pressure

Middle school

High school

College/vocational school

Undergraduate/ graduate school

Yes

Frequency (%)

6 (37.5%)

33 (67.3%)

22 (84.6%)

42 (72.4%)

P = 0.013

Adjusted residual

−2.9

−0.3

1.9

0.7

No

Frequency (%)

10 (62.5%)

16 (32.7%)

4 (15.4%)

16 (27.6%)

Adjusted residual

2.9

0.3

−1.9

−0.7

Educational Level

X² Test

Understanding of the need for reconsidering lifestyle

Middle school

High school

College/vocational school

Undergraduate/ graduate school

Yes

Frequency (%)

9 (56.3%)

41 (83.7%)

24 (92.3%)

52 (89.7%)

P = 0.007

Adjusted residual

−3.3

−0.2

1.2

1.4

No

Frequency (%)

7 (43.8%)

8 (16.3%)

2 (7.7%)

6 (10.3%)

Adjusted residual

3.3

0.2

−1.2

−1.4

Educational Level

X² Test

Understanding of prescribed medications

Middle school

High school

College/vocational school

Undergraduate/ graduate school

Yes

Frequency (%)

8 (50%)

42 (85.7%)

21 (80.8%)

48 (82.8%)

P = 0.017

Adjusted residual

−3.2

1.2

0.1

0.7

No

Frequency (%)

8 (50%)

7 (14.3%)

5 (19.2%)

10 (17.2%)

Adjusted residual

3.2

−1.2

−0.1

−0.7