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Table 3 Univariable and multivariable analysis of predictors of self-reported HTN among residents of Inner Mongolia

From: Self-reported hypertension in Northern China: a cross-sectional study of a risk prediction model and age trends

Characteristic Univariable Analysis OR (95%CI) P Multivariable Analysis OR (95%CI)a P
Age 1.07 (1.07, 1.07) < 0.001* 1.07 (1.07, 1.08) < 0.001*
Gender (Male)
 Female 1.16 (1.07, 1.27) 0.001* 1.22 (1.08, 1.37) < 0.001*
Ethnicity (Han)
 Hui 1.93 (1.38, 2.70) < 0.001* 1.37 (0.79, 2.36) 0.267
 Mongolian 0.81 (0.72, 0.92) 0.001* 1.15 (1.00, 1.33) 0.068
 Other minority 1.10 (0.90, 1.36) 0.376 1.66 (1.29, 2.13) < 0.001*
Level of education (High)
 Low 2.00 (1.73, 2.31) < 0.001*   
 Middle 1.32 (1.10, 1.59) 0.003*   
Occupation (Unemployed)
 Retired 2.31 (2.06, 2.59) < 0.001*   
 Employed 4.24 (3.78, 4.75) < 0.001*   
Marital status (Single)
 Widowed, Divorced 21.93 (15.67, 30.68) < 0.001* 1.82 (1.22, 2.72) 0.004*
 Married 9.08 (6.64, 12.43) < 0.001* 2.05 (1.42, 2.95) < 0.001*
Poverty (No)
 Yes 1.48 (1.30, 1.69) < 0.001*   
Smoking (No smoking)
 Current smoking 0.99 (0.90, 1.09) 0.811   
 Former smoking 1.86 (1.52, 2.27) < 0.001*   
Drinking (No)
 Yes 0.91 (0.83, 1.01) 0.091 1.19 (1.01, 1.32) 0.035*
BMI (< 24)
  ≥ 24 2.20 (2.01, 2.39) < 0.001* 2.49 (2.25, 2.76) < 0.001*
Comorbidity (No)
 Yes 4.09 (3.67, 4.56) < 0.001 2.06 (1.82, 2.34) < 0.001*
  1. Variables in brackets are reference categories
  2. *P < 0.05
  3. aCommon confounders adjusted for in the multiple logistic regression included age, gender, ethnicity, level of education, occupation, marital status, smoking, drinking, BMI, and comorbidity