Reading the abstracts, the measurement the US study uses for "dosing" is metabolic-equivalent hours per week. The Australian study uses "vigorous". If you want

Reading the abstracts, the measurement the US study uses for "dosing" is metabolic-equivalent hours per week. The Australian study uses "vigorous". If you want to grade your activities of choice to METs, there are various sources to do estimate them: http://en.wikipedia.org/wiki/Metabolic_equivalent http://en.wikipedia.org/wiki/Metabolic_equivalent