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Table 5 Factors associated with the prevalence of hypertension from multivariate logistic regression models (N = 2208)

From: Prevalence, awareness, medication, control, and risk factors associated with hypertension in Yi ethnic group aged 50 years and over in rural China: the Yunnan minority eye study

Variables n Prevalence of HBP (%) OR (95% CI)a OR (95% CI)b
Age groups (years): 50–59 659 32.8 - 1.000(reference)
60-69 820 38.2* - 1.050(0.724, 1.524)
70-79 575 43.1* - 2.768(1.728, 4.433)
80- 154 47.4* - 3.104(1.350, 7.135)
Education level: No school 1139 42.8 1.000(reference) 1.000(reference)
Primary school 431 36.4* 0.703(0.551, 0.897) 0.771(0.600, 0.991)
Junior high school 318 34.0* 0.609(0.460, 0.805) 0.688(0.515, 0.918)
Senior high school 269 31.2* 0.536(0.393, 0.729) 0.642(0.464, 0.889)
Junior college and above 51 25.5* 0.416(0.214,0.811) 0.490(0.251,0.959)
Body weight: normal weight 1323 39.5 1.000(reference)) 1.000(reference)
Leanness 685 31.4* 0.669(0.546, 0.821) 0.642(0.522, 0.789)
Overweight 175 54.3* 1.811(1.295, 2.533) 1.897(1.353, 2.662)
Obesity 25 65.5* 3.067(1.385, 6.792) 3.009(1.355, 6.678)
Cigarette smoking: no 1412 35.4 1.000(reference) 1.000(reference)
Yes 796 44.0* 1.745(1.332, 2.287) 1.768(1.348, 2.319)
Alcohol consumption: no 1468 34.9 1.000(reference) 1.000(reference)
Yes 740 45.7* 1.745(1.356, 2.245) 1.788(1.389, 2.303)
Family history of HBP: no 1992 35.0 1.000(reference) 1.000(reference)
Yes 216 70.4* 3.968(2.892,5.445) 3.817(2.776,5.248)
  1. 95% CI, 95% confidence interval; HBP, high blood pressure; OR, odds ratio; aAdjusted for age only; bAdjusted for all other variables in the table. *P < 0.01 in cigarette smoking group, alcohol consumption group, P < 0.05 in age group, education level group, Family history of HBP group.