Table 4. Factors associated with the prevalence of hypertension from multivariate logistic regression models in age group 50–59 (N = 716).
| Variables | n | Prevalence of HBP (%) | OR (95% CI)a | OR (95% CI)b |
| Gender: Female | 496 | 35.9 | – | 1.000(reference) |
| Male | 220 | 31.8 | – | 0.694(0.384, 1.252) |
| Body weight: normal weight | 503 | 30.6 | 1.000 (reference) | 1.000(reference) |
| Leanness | 58 | 27.6 | 0.869(0.474, 1.593) | 0.933(0.485, 1.793) |
| Overweight | 139 | 47.5 | 2.029(1.382, 2.979) | 1.940(1.278, 2.943) |
| Obesity | 16 | 75.0 | 6.807(2.160, 21.451) | 7.451(2.260, 24.564) |
| Education level: No school | 164 | 34.1 | 1.000 (reference) | 1.000(reference) |
| Primary school | 44 | 38.6 | 1.248(0.626, 2.489) | 1.292(0.608, 2.742) |
| Junior high school | 243 | 36.6 | 1.152(0.756, 1.757) | 1.162(0.731, 1.847) |
| Senior high school | 227 | 33.0 | 1.021(0.649, 1.607) | 0.979(0.590, 1.622) |
| Junior college and above | 38 | 28.9 | 0.861(0.387, 1.916) | 0.904(0.373, 2.190) |
| Diabetes mellitus: no | 697 | 33.9 | 1.000 (reference) | 1.000(reference) |
| Yes | 19 | 63.2 | 3.398(1.319, 8.757) | 2.931(1.038, 8.277) |
| Cigarette smoking: no | 558 | 34.8 | 1.000 (reference) | 1.000(reference) |
| Smoking | 158 | 34.2 | 1.301(0.747, 2.265) | 1.434(0.774, 2.657) |
| Alcohol consumption: no | 599 | 33.4 | 1.000 (reference) | 1.000(reference) |
| Yes | 117 | 41.0 | 1.389(0.925, 2.084) | 1.314(0.828, 2.087) |
| Family history of HBP: no | 564 | 25.7 | 1.000 (reference) | 1.000(reference) |
| Yes | 152 | 67.8 | 6.066(4.110, 8.954) | 6.235(4.181, 9.298) |
95%CI, 95% confidence interval; HBP, high blood pressure; OR, odds ratio;
a
Adjusted for gender only; b Adjusted for all other variables in the table.