Table 2.
Characteristics of Chinese adults (aged ≥18 years) by blood pressure levels and antihypertensive medication use based on the 2011 China Health and Nutrition Survey (n = 12,499)
| Characteristics | SBP/DBP categories in mmHg among Chinese adults not taking antihypertensive medication | Taking antihypertensive medication (n = 1663) | P-Valueb | |||
|---|---|---|---|---|---|---|
| <120/80 (n = 4027) | 120–129/<80 (n = 1218) | 130–139/80–89 (n = 3768) | ≥140/90 (n = 1823) | |||
| Percentage of Chinese population | 32.2 | 9.7 | 30.1 | 14.6 | 13.4 | <0.001 |
| Population characteristics a | ||||||
| Age, year | 43.0(33.0–55.0) | 51.0(39.0–61.0) | 50.0(41.0–59.0) | 57.0(48.0–66.0) | 62.0(56.0–71.0) | <0.001 |
| Women, % | 63.9 | 48.9 | 46.8 | 44.2 | 53.3 | <0.001 |
| Current smoking, % | 22.9 | 34.8 | 34.3 | 38.3 | 30.5 | <0.001 |
| Diabetes, % | 1.4 | 2.9 | 3.0 | 4.4 | 4.1 | <0.001 |
| SBP, mmHg | 108.1 ± 8.1 | 123.2 ± 3.1 | 124.5 ± 8.3 | 144.6 ± 15.3 | 124.5 ± 17.7 | <0.001 |
| DBP, mmHg | 70.0 ± 6.2 | 74.0 ± 4.8 | 81.8 ± 4.2 | 90.9 ± 10.0 | 79.3 ± 10.7 | <0.001 |
| The history of coronary heart disease, % | 0.4 | 0.4 | 0.5 | 0.7 | 0.9 | <0.001 |
| The history of Stroke, % | 0.4 | 0.9 | 0.6 | 1.4 | 1.6 | <0.001 |
| The history of CVDc, % | 0.7 | 1.2 | 1.0 | 2.0 | 2.4 | <0.001 |
a Population characteristics in the table are percentage or mean (standard deviation)
bP-values were calculated by one-way ANOVA or chi-square test to compare differences within different blood pressure categories
cDefined by a self-reported history of stroke or coronary heart disease
2017 ACC/AHA Guideline - 2017 American College of Cardiology / American Heart Association Guideline for the Prevention, Detection, Evaluation and Management of High Blood Pressure in Adults
SBP systolic blood pressure; DBP diastolic blood pressure; CVD cardiovascular disease