Table 2.
Associations of systolic blood pressure (SBP) and diastolic blood pressure (DBP) with relevant variables in children (ages 6–11) according to gender, Canadian Health Measures Survey, 2007–2009
| |
SBP z-scores |
DBP z-scores |
||
|---|---|---|---|---|
| β | p | β | p | |
| Boys (n = 530) | ||||
| Body mass index category - Normal weight |
1 |
|
1 |
|
| - Overweight |
.07 |
.36 |
.07 |
.29 |
| - Obese |
.21 |
.15 |
-.02 |
.90 |
| Heart rate |
.01 |
.009 |
.02 |
<.001 |
| Family history of hypertension – No |
1 |
|
1 |
|
| - Yes |
.14 |
.22 |
.06 |
.40 |
| Physical activity – Active |
1 |
|
1 |
|
| - Inactive |
-.12 |
.37 |
-.11 |
.34 |
| Ages |
-.05 |
.02 |
-.04 |
.02 |
| Family income – Middle or high |
1 |
|
1 |
|
| - Low |
-.19 |
.02 |
-.10 |
.44 |
| Parental post-secondary education – No |
1 |
|
1 |
|
| - Yes |
-.11 |
.21 |
-.10 |
.36 |
|
R2 |
.13 |
.15 |
||
| Girls (n = 528) | ||||
| Body mass index category – Normal weight |
1 |
|
1 |
|
| - Overweight |
.20 |
.04 |
.03 |
.74 |
| - Obese |
.34 |
.004 |
-.09 |
.44 |
| Heart rate |
.02 |
<.001 |
.02 |
<.001 |
| Family history of hypertension - No |
1 |
|
1 |
|
| - Yes |
.31 |
.008 |
.26 |
.03 |
| Physical activity - Active |
1 |
|
1 |
|
| - Inactive |
-.003 |
.96 |
-.17 |
.01 |
| Ages |
-.13 |
<.001 |
-.08 |
.002 |
| Family income - Middle or high |
1 |
|
1 |
|
| - Low |
-.23 |
.10 |
-.42 |
<.001 |
| Parental post-secondary education - No |
1 |
|
1 |
|
| - Yes |
-.17 |
.02 |
-.14 |
.17 |
| R2 | .18 | 14 | ||
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 simultaneously adjusted using multivariate linear regression models. β, coefficient of regression parameters; p: <0.05.