The analysis corrected for variables affecting bone strength, such as age, vitamin and mineral consumption, caffeine, smoking, alcohol consumption, hours per
week of vigorous physical activity, and birth control and hormone supplements known to stimulate bone growth.
Additionally, recognizing that physical education is a crucial and integral part of a child's education, we will provide opportunities to ensure that students engage in healthful
levels of vigorous physical activity to promote and develop the students» physical, mental, emotional, and social well - being.
These effect sizes are similar in magnitude to the associations between 7 days /
week of vigorous physical activity versus < 1 day / week of vigorous activity (HR = 0.87, 95 % CI: 0.81, 0.93) or a DASH diet score in the highest versus lowest quintile (HR = 0.82, 95 % CI: 0.77, 0.87) in prior studies (3).
Here in Ontario, we have a relatively new requirement that all K - 8 students engage in 20 minutes
of vigorous physical activity every day.