Table 3 Odds ratios (95% CI) for self-reported diet management behavior

Sex

(women vs. men)

1.12 (0.69, 1.83)

0.87 (0.50, 1.50)

1.63 (0.76, 3.51)

1.58 (0.66, 3.81)

Age

(y)

1.02 (1.00, 1.05)

1.02 (0.99, 1.06)

0.99 (0.93, 1.04)

0.98 (0.92, 1.05)

Education

(≥college vs. <college)

1.31 (0.80, 2.14)

1.02 (0.60, 1.72)

0.68 (0.28, 1.04)

0.61 (0.23, 1.65)

Cardiometabolic risk

(yes vs. no)

1.44 (0.92, 2.25)

1.63 (1.01, 2.63)*

1.87 (0.69, 5.09)

1.55 (0.51, 4.67)

Family history of hypertension

(yes vs. no)

1.26 (0.79, 1.98)

1.12 (0.69, 1.82)

0.77 (0.37, 1.60)

0.87 (0.40, 1.91)

Awareness of BP value

(know vs. do not)

0.84 (0.52, 1.37)

0.93 (0.56, 1.56)

0.79 (0.30, 2.10)

0.80 (0.28, 2.27)

Healthy habit

(yes vs. no)

1.27 (0.76, 2.14)

1.32 (0.77, 2.27)

0.89 (0.35, 2.23)

1.11 (0.41, 2.99)

Knowledge on the necessity for lifestyle modification regardless of BP-lowering drug use

(correct vs. wrong)

2.93 (0.97, 8.84)

2.60 (0.80, 8.42)

4.71 (1.02, 21.7)*

6.29 (1.23, 32.3)*

Perceived barriers to dietary therapy

(the number of barriers)

0.85 (0.71, 1.01)

0.84 (0.68, 1.04)

1.08 (0.82, 1.42)

1.09 (0.78, 1.53)

Self-efficacy

(score)

1.56 (0.99, 2.50)*

1.51 (0.93, 2.46)

1.38 (0.68, 2.81)

1.35 (0.60, 3.01)

Dietary education

(yes vs. no)

2.02 (1.14, 3.58)*

2.19 (1.20, 4.02)*

2.31 (0.72, 7.38)

2.95 (0.80, 10.9)

Perceived necessity for diet change

(yes vs. no)

1.46 (0.85, 2.50)

1.61 (0.90, 2.89)

1.81 (0.61, 5.35)

1.99 (0.61, 6.50)