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Table 1 Demographic characteristic of the study participants

From: Contextual socioeconomic determinants of cardiovascular risk factors in rural south-west China: a multilevel analysis

Variables n %
Sex   
   Male 2905 48.4
   Female 3101 51.6
Age   
   40–49 years 1102 18.3
   50–54 years 1106 18.4
   55–59 years 879 14.6
   60–64 years 909 15.1
   ≥ 65 years 2010 33.5
Ethnicity   
   Han 3664 61.0
   Yi ethnic minority 2272 39.0
Educational level   
   Illiterate 3328 55.4
   Primary (grade 1–6) or higher 2678 45.6
Approximate yearly household income (Yuan)   
   Max 20000
   P75 7000
   P50 4000
   P25 2000
   Min 1100