Table 2.
Systolic/Diastolic BP Levels, Pulse Pressure, and Heart Rate in the Overall Sample and in Different Time Periods
| Parameters | Overall | Period 2004–2010 | Period 2011–2012 | Period 2013–2014 |
|---|---|---|---|---|
| Systolic BP, mm Hg | 131.9±18.6 | 131.1±19.1 | 132.6±17.9a | 131.8±18.8b |
| Diastolic BP, mm Hg | 79.1±10.5 | 79.2±11.0 | 79.3±10.2 | 78.8±10.5 |
| Pulse pressure, mm Hg | 52.8±15.2 | 52.0±15.4 | 53.3±15.0b | 53.0±15.4c |
| Heart rate, beats per min | 74.3±10.3 | 78.7±9.0 | 74.2±9.6a | 74.2±11.0a |
| Systolic BP <140 mm Hg | 6559 (65.3) | 1954 (62.7) | 2488 (65.6) | 2117 (67.4) |
| Diastolic BP <90 mm Hg | 8126 (80.9) | 2382 (76.5) | 3115 (82.1) | 2629 (83.8) |
| Systolic/diastolic BP <140/90 mm Hg | 6035 (60.0) | 1747 (56.1) | 2308 (60.8) | 1980 (63.0) |
Abbreviation: BP, blood pressure. Continuous variables are reported as mean±standard deviation, whereas dichotomous variables are reported as absolute number (percentage) among groups. a P<.005, b P<.001, and c P<.05 vs period 2004–2010.