Regression coefficients relating time outdoors to measures of physical health, by sex, household population aged 7 to 14, Canada excluding territories, 2012/2013
Table 3Measures of physical health | Total (n = 1,159) | Boys (n = 596) | Girls (n = 563) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
b | 95% confidence interval | p | b | 95% confidence interval | p | b | 95% confidence interval | p | ||||
from | to | from | to | from | to | |||||||
Log of body mass index (BMI) (kg/m2) | 0.01 | -0.01 | 0.03 | 0.25 | 0.01 | -0.01 | 0.04 | 0.33 | 0.01 | -0.02 | 0.03 | 0.55 |
Log of waist circumference (cm) | 0.01 | -0.01 | 0.02 | 0.33 | 0.00 | -0.02 | 0.02 | 0.65 | 0.01 | -0.01 | 0.02 | 0.50 |
Log of grip strength (kg) | 0.01 | -0.02 | 0.05 | 0.35 | 0.00 | -0.04 | 0.03 | 0.94 | 0.03 | -0.01 | 0.07 | 0.11 |
Systolic blood pressure (mmHg) | 0.19 | -0.43 | 0.81 | 0.51 | -0.27 | -1.12 | 0.59 | 0.51 | 0.49 | -0.72 | 1.69 | 0.39 |
Diastolic blood pressure (mmHg) | 0.09 | -0.64 | 0.81 | 0.79 | -0.32 | -1.33 | 0.68 | 0.49 | 0.60 | -0.51 | 1.71 | 0.26 |
High-density lipoprotein (HDL) cholesterol (mmol/L) | 0.00 | -0.03 | 0.02 | 0.78 | 0.01 | -0.04 | 0.05 | 0.72 | 0.00 | -0.05 | 0.04 | 0.83 |
Total cholesterol (mmol/L) | -0.01 | -0.11 | 0.09 | 0.81 | -0.01 | -0.15 | 0.13 | 0.89 | -0.02 | -0.10 | 0.05 | 0.52 |
Log of total cholesterol/HDL | 0.00 | -0.03 | 0.02 | 0.86 | -0.01 | -0.04 | 0.03 | 0.63 | -0.01 | -0.04 | 0.03 | 0.71 |
Glycohemoglobin (%) | 0.00 | 0.00 | 0.00 | 0.49 | 0.00 | 0.00 | 0.00 | 0.96 | 0.00 | 0.00 | 0.00 | 0.20 |
Notes: Data are presented as unstandardized regression coefficients for each additional hour outdoors per day. After a Bonferroni adjustment, a was set at p < 0.0055. BMI, waist circumference, grip strength, and ratio total cholesterol/HDL cholesterol were transformed into their natural logarithms. Source: 2012/2013 Canadian Health Measures Survey. |
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