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Table 1 Independent Variables

From: Prevalence and income-related equity in hypertension in rural China from 1991 to 2011: differences between self-reported and tested measures

Unavoidable variables Avoidable variables
Name Explanation Name Explanation
Agegroup 18~45a =0
46~59 = 1
60 and above =2
Economic level The pooresta = 0 The poorer = 1
The middle = 2 The richer = 3
The richest = 4
Gender Malea = 0 Female = 1 Smoking Noa = 0 Yes = 1
   Drinking Less than 3 times a weeka = 0
More than 3 times a week = 1
   Have physical examination in the past 4 weeks Noa = 0 Yes = 1
   Region Easta = 0 Middle = 1 West = 2
   Schooling Illiteracya = 0
Primary and junior high school = 1
High and technical secondary school = 2
Junior college and above = 3
   BMI BMI < 18.5a =0
18.5 ≤ BMI < 24 = 1
24 ≤ BMI < 28 = 2
BMI ≥ 28 = 3
   Marital status Unmarrieda = 0 Married = 1
Others = 2
  1. ais the control group of dummy variables