Table 6. Age-standardized prevalence of stage 2 hypertension in Chinese adults during 1991–2015.
| Variable | 1991 (n = 8604) |
1993 (n = 8203) |
1997 (n = 8592) |
2000 (n = 9473) |
2004 (n = 9209) |
2006 (n = 9165) |
2009 (n = 9499) |
2011 (n = 12,542) |
2015 (n = 11,296) |
AAI, mmHg |
ARI, % |
Ptrend- value |
| Overall | 5.5% (5.0%–6.0%) |
4.9% (4.5%–5.4%) |
5.9% (5.4%–6.4%) |
5.6% (5.2%–6.1%) |
5.5% (5.1%–5.9%) |
4.9% (4.6%–5.3%) |
7.1% (6.6%–7.6%) |
4.9% (4.5%–5.2%) |
7.4% (6.9%–7.8%) |
0.1 | 1.5 | < 0.001 |
| Age, yrs | ||||||||||||
| 18–39 | 0.5% (0.3%–0.7%) |
0.7% (0.4%–1.0%) |
1.0% (0.7%–1.4%) |
1.1% (0.8%–1.4%) |
1.0% (0.7%–1.4%) |
1.2% (0.8%–1.7%) |
2.0% (1.5%–2.7%) |
0.9% (0.6%–1.3%) |
2.1% (1.6%–2.8%) |
0.1 | 14.1 | < 0.001 |
| 40–59 | 5.7% (4.9%–6.6%) |
4.8% (4.0%–5.6%) |
6.5% (5.7%–7.4%) |
6.5% (5.8%–7.3%) |
6.4% (5.7%–7.2%) |
5.7% (5.0%–6.4%) |
8.7% (7.9%–9.6%) |
6.3% (5.7%–6.9%) |
9.9% (9.1%–10.8%) |
0.2 | 3.1 | < 0.001 |
| ≥ 60 | 18.6% (16.5%–20.9%) |
17.0% (15.0%–19.2%) |
17.9% (16.1%–20.0%) |
16.1% (14.5%–17.9%) |
15.9% (14.4%–17.5%) |
13.5% (12.2%–15.0%) |
17.2% (15.8%–18.7%) |
12.5% (11.5%–13.6%) |
16.3% (15.2%–17.5%) |
− 0.1 | − 0.5 | 0.071 |
| Sex | ||||||||||||
| Male | 5.5% (4.8%–6.2%) |
4.9% (4.2%–5.6%) |
6.2% (5.5%–6.9%) |
5.6% (5.0%–6.2%) |
5.6% (5.0%–6.2%) |
5.4% (4.8%–6.1%) |
8.0% (7.3%–8.8%) |
5.2% (4.7%–5.7%) |
9.1% (8.3%–9.9%) |
0.2 | 2.8 | < 0.001 |
| Female | 5.5% (4.8%–6.2%) |
4.9% (4.3%–5.6%) |
5.6% (5.0%–6.3%) |
5.6% (5.1%–6.2%) |
5.4% (4.9%–6.0%) |
4.5% (4.0%–5.0%) |
6.2% (5.6%–6.7%) |
4.6% (4.2%–5.0%) |
6.0% (5.5%–6.5%) |
0 | 0.4 | < 0.001 |