From: Familial correlation and aggregation of body mass index and blood pressure in Chinese Han population
 |  | BMI | SBP | DBP | BMI ≥ 25 kg/m2 | SBP ≥ 120 mmHg or DBP ≥ 80 mmHg |
---|---|---|---|---|---|---|
Family annual per-capita income level | Â | Â | Â | Â | Â | |
 | ≤1999 yuan (Nf = 2618) | 6.5%* | 8.3%* | 11.7%* | 3.8% | 4.4%* |
2000 - 4999 yuan (Nf = 1892) | 7.4%* | 4.7% | 9.0%* | 1.5% | 1.9% | |
≥5000 yuan (Nf = 1859) | 6.6%* | 8.8%* | 7.8%* | 2.5% | 2.6% | |
Regions | Â | Â | Â | Â | Â | |
 | Major cities (Nf = 1518) | 6.9%* | 6.3%* | 6.2%* | 3.2% | 4.1%* |
Small and medium-sized cities (Nf = 889) | 3.8% | 6.5%* | 9.1%* | 4.9% | 6.0%* | |
Rural areas (Nf = 3962) | 6.8%* | 7.1%* | 8.2%* | 5.4%* | 3.4%* |