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Table 3 Associations of systolic blood pressure (SBP) and diastolic blood pressure (DBP) with relevant variables in adolescents (ages 12–17) according to gender, Canadian Health Measures Survey, 2007–2009

From: Increasing blood pressure and its associated factors in Canadian children and adolescents from the Canadian Health Measures Survey

  SBP z-scores DBP z-scores
  β p β p
Boys (n = 416)
Body mass index category - Normal weight 1   1  
- Overweight .38 .01 .21 .19
- Obese .69 <.001 .21 .04
Heart rate .006 .31 .009 .03
Family history of hypertension - No 1   1  
- Yes .44 .009 .30 .02
Physical activity - Active 1   1  
- Moderate active .34 .02 .38 <.001
- Inactive .23 .12 .21 .06
Ages −.08 .001 −.07 <.001
Parental post-secondary education - No 1   1  
- Yes −.16 .20 −.09 .39
R 2 .75 .24
Girls (n = 376)
Body mass index category - Normal weight 1   1  
- Overweight .09 .52 −.01 .93
- Obese .74 <.001 .17 .19
Heart rate .009 .06 .01 .007
Family history of hypertension - No 1   1  
- Yes .16 .20 .09 .42
Physical activity - Active 1   1  
- Moderate active .03 .77 −.06 .61
- Inactive −.10 .35 −.20 .12
Ages −.004 .85 .05 .01
Parental post-secondary education - No 1   1  
- Yes −.12 .38 −.07 .51
R 2 .18 .12
  1. Dependent variable: SBP z- scores or DBP z-scores. All variables in the left column of the table were independent variables, and their associations with SBP or DBP were adjusted simultaneously using multivariate linear regression models. β, coefficient of regression parameters; p: <0.05.