Table 8.
Multivariate logistic regression for factors associated with hypertension.
| Variables | Adjusted Odd Ratio | 95% CI | p-Value |
|---|---|---|---|
| Dietary-salt-related knowledge | 1.13 | 0.98–1.29 | 0.076 |
| Dietary-salt-related positive attitudes | 1.11 | 0.96–1.20 | 0.100 |
| At least five days a week on consuming high dietary-salt food | 1.52 | 0.86–2.55 | 0.100 |
| At least five days a week on consuming food from high dietary-salt food sources | 2.56 | 1.55–4.24 | <0.001 ** |
| Dietary-salt-related habits | 0.87 | 0.51–1.47 | 0.598 |
| Gender (Reference: Female) | |||
| Male | 1.64 | 0.92–2.90 | 0.092 |
| Age group (Reference: Age < 60 years old) | |||
| Elderly: Age ≥ 60 | 2.17 | 1.26–3.72 | 0.005 ** |
| Marital status (Reference: Not married) | |||
| Married | 1.84 | 1.12–3.02 | 0.015 * |
| Education level (Reference: Less than junior high school) | |||
| Junior high school or higher education | 0.73 | 0.40–1.34 | 0.310 |
| Exercise frequency (Reference: none or sometimes exercise) | |||
| Regular exercise | 0.65 | 0.39–1.11 | 0.100 |
| Family history of high blood pressure (Reference: no member) | |||
| Family members having high blood pressure | 1.90 | 1.15–3.15 | 0.010 ** |
| Body Mass Index (BMI) (Reference: normal weight: BMI < 23) | |||
| Overweight: 23 ≤ BMI < 27.5 | 1.87 | 1.10–3.13 | 0.021 * |
| Obese: BMI ≥ 27.5 | 4.61 | 2.03–10.48 | 0.010 ** |
| Constant | 0.04 | 0.01–0.30 | 0.002 ** |
| N = 376; Wald chi-square (13) = 45.4; Pseudo R-square = 0.17 | |||
* statistically significant for p ≤ 0.05; ** statistically significant for p ≤ 0.01.