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Table 2 Proportion (%) of hypertension awareness, treatment, and control among Chinese adults with hypertension (HTN) based on CHNS 2011

From: Factors associated with awareness, treatment and control of hypertension among 3579 hypertensive adults in China: data from the China Health and Nutrition Survey

  Awareness
(1993)
Treatment
(1664)
Control
(728)
HTN Awarenessa HTN Treatedb
Age group (years)
 18–49 36.2 25.9 71.7 12.7 49.0
 50–64 58.1** 48.6** 83.6** 22.2** 45.7
 65+ 64.8** 56.8** 87.6** 22.8** 32.9
Residence
 Rural 48.0 38.4 80.0 13.5 35.2
 Urban 66.6** 58.0** 87.0** 30.0** 51.7**
Geographic region
 Central China 50.1 39.6 79.0 13.3 33.6
 Western China 47.2 39.1 82.9 15.7 40.2
 Eastern China 62.6** 53.8** 85.1** 26.6** 49.4**
Ethnicity
 Han 56.7 47.5 83.7 21.3 44.9
 Minority 44.1** 35.0** 79.4 9.1** 26.0
Marital status*
 Unmarried 58.9 49.8 84.5 19.6 39.5
 Single 55.0 45.8 83.3 20.5 44.7
Occupational status
 Unemployed 64.5 56.4 87.4 24.4 43.3
 Employed 44.6** 34.0** 76.3** 15.2** 44.7
Health insurance
 Not insured 51.3 42.0 81.8 19.3 46.0
 Insured 55.9 46.7 83.6 20.4 43.7
Education
  ≤ Elementary school 54.2 45.0 82.9 16.0 35.6
 Middle school 52.9 43.8 82.9 21.2 48.4**
 High school 60.0§ 51.6 86.1 27.1** 52.5**
  ≥ Collage 65.9** 54.8 83.1 29.9** 54.5**
Smoking
 Non-smoker 58.4 50.1 85.7 21.7 43.3
 Ex-smoker 68.4 55.3 80.8 28.5§ 51.6
 Smoker 46.3** 36.0** 77.8** 15.3** 42.6
Alcohol consumption
 Not drinking 58.7 50.9 86.8 21.5 42.1
 Drinking 50.0** 38.1** 76.0** 18.2§ 47.9
Weight status
 Normal weight (BMI < 24) 50.7 40.5 79.8 20.2 50.0
 Overweight (24 ≤ BMI < 28) 58.6** 49.6** 84.8§ 21.8 43.8
 Obese (BMI ≥ 28) 59.4** 51.6** 83.5 17.7 34.4**
  1. 3579 adults with hypertension;
  2. Hypertension was defined as having an average systolic blood pressure ≥ 140 mmHg, diastolic blood pressure ≥ 90 mmHg, self-reported being previously diagnosed as hypertension by a physician or taking antihypertension drugs currently;
  3. Non-smoker was defined as subjects who responded negatively to “have you ever smoked cigarettes?”; ex-smoker was defined as subjects who responded positively to questions “have you ever smoked cigarettes?” but negatively to “do you still smokes cigarettes?”; current smoker was defined as subjects who responded both positive answers to questions “have you ever smoked cigarettes?” and “do you still smokes cigarettes?”; drinking refers to subject who regularly drink alcohol since last year
  4. Awareness of hypertension status was defined as a self-report of hypertension diagnosed by a doctor before, or taking any antihypertensive drugs;
  5. Control of hypertension was defined as blood pressure (SBP/DBP) < 140/90 mmHg;
  6. *Single includes never married, divorced, widowed and separated;
  7. Western China includes Guangxi, Guizhou and Chongqing; Eastern China includes Shanghai, Beijing, Jiangsu, Liaoning and Shandong; Central China includes Henan, Hubei, Henan and Heilongjiang;
  8. Chi-square test were performed §p < 0.05, p < 0.01, **p < 0.001
  9. a Treatment among subjects who were aware of their hypertension;
  10. b Control among participant who took antihypertension medications;