Table 2.

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

	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**

^¶3579 adults with hypertension;

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;

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

Awareness of hypertension status was defined as a self-report of hypertension diagnosed by a doctor before, or taking any antihypertensive drugs;

Control of hypertension was defined as blood pressure (SBP/DBP) < 140/90 mmHg;

^*Single includes never married, divorced, widowed and separated;

^†Western China includes Guangxi, Guizhou and Chongqing; Eastern China includes Shanghai, Beijing, Jiangsu, Liaoning and Shandong; Central China includes Henan, Hubei, Henan and Heilongjiang;

Chi-square test were performed ^§p < 0.05, ^‡p < 0.01, ^**p < 0.001

^a Treatment among subjects who were aware of their hypertension;

^b Control among participant who took antihypertension medications;