Table 5: Linear regression model for the association between life style risk factors and change in systolic blood pressure.

Risk Factors B Standardized Beta t value Significance p value
Males Age 0.007 0.001 0.034 NS (0.973)
BMI 1.985 0.465 10.879 <0.001
Smoking -0.631 -0.048 -1.117 NS (0.265)
PA class -1.739 -0.104 -1.501 NS (0.134)
Vigorous PA 0.001 0.152 2.404 0.017
Moderate PA 0.002 0.084 1.798 NS (0.073)
Walking 0.000 -0.008 -0.181 NS (0.857)
Females Age -0.154 -0.037 -1.002 NS (0.317)
BMI 1.353 0.350 9.451 <0.001
Smoking -0.670 -0.054 -1.445 NS (0.149)
PA class -0.435 -0.024 -0.374 NS (0.709)
Vigorous PA 0.001 0.049 0.918 NS (0.359)
Moderate PA -0.001 -0.030 -0.698 NS (0.486)
Walking 0.001 0.059 1.344 NS (0.180)

BMI: body mass index; NS: non-significant; PA: physical activity;In stepwise regression, only BMI and vigorous PA (and BMI for females) were included in the final model. TPA score was excluded due to multicollinearity.