Table 2 Socio-demographic characteristics and blood pressure of the participants.
From: Prevalence and risk factors of hypertension among college freshmen in China
Variables | N | % | Blood pressure (mmHg) | |||
|---|---|---|---|---|---|---|
Systolic blood pressure mean ± standard deviation | P-value | Diastolic blood pressure mean ± standard deviation | P-value | |||
Total | 12,849 | 100.0 | 119.4 ± 12.5 | 70.9 ± 8.9 | ||
Year | < 0.001 | < 0.001 | ||||
2015 | 4436 | 34.5 | 118.8 ± 12.3 | 70.4 ± 9.1 | ||
2016 | 4128 | 32.1 | 118.5 ± 12.4 | 71.1 ± 8.3 | ||
2017 | 4285 | 33.4 | 121.1 ± 12.6 | 71.3 ± 9.1 | ||
Gender | < 0.001 | < 0.001 | ||||
Male | 5652 | 44.0 | 125.7 ± 11.1 | 72.6 ± 9.1 | ||
Female | 7197 | 56.0 | 114.5 ± 11.2 | 69.6 ± 8.4 | ||
Residence | < 0.001 | < 0.001 | ||||
Urban | 9289 | 72.3 | 120.0 ± 12.6 | 71.4 ± 8.9 | ||
Rural | 3560 | 27.7 | 118.0 ± 12.0 | 69.6 ± 8.8 | ||
Region | < 0.001 | < 0.001 | ||||
West | 959 | 7.5 | 116.0 ± 12.1 | 68.3 ± 8.3 | ||
Midland | 10,259 | 79.8 | 119.8 ± 12.5 | 71.2 ± 9.0 | ||
East | 1631 | 12.7 | 119.3 ± 12.3 | 70.3 ± 8.4 | ||
Body mass index | < 0.001 | < 0.001 | ||||
Normal | 10,497 | 81.7 | 117.6 ± 11.9 | 69.9 ± 8.4 | ||
Overweight | 1646 | 12.8 | 126.1 ± 11.4 | 74.0 ± 9.2 | ||
Obesity | 706 | 5.5 | 131.3 ± 11.1 | 78.6 ± 9.8 | ||
Adequate physical activity | < 0.001 | < 0.001 | ||||
Yes | 8687 | 67.6 | 115.5 ± 11.3 | 69.0 ± 7.9 | ||
No | 4162 | 32.4 | 127.7 ± 10.5 | 74.8 ± 9.5 | ||
Stay up late | < 0.001 | < 0.001 | ||||
Yes | 2511 | 19.5 | 125.2 ± 11.7 | 73.4 ± 9.3 | ||
No | 10,338 | 80.5 | 118.0 ± 12.2 | 70.3 ± 8.7 | ||
Family history of cardiovascular diseases | 0.565 | 0.001 | ||||
Yes | 856 | 6.7 | 119.2 ± 13.9 | 72.0 ± 10.0 | ||
No | 11,993 | 93.3 | 119.5 ± 12.3 | 70.8 ± 8.8 | ||
Resting heart rate | < 0.001 | < 0.001 | ||||
≤ 100 | 12,555 | 97.7 | 119.3 ± 12.3 | 70.7 ± 8.8 | ||
> 100 | 294 | 2.3 | 127.3 ± 15.0 | 78.8 ± 10.2 | ||
