This is for athletes so likely we'll trained, in their 20s and training for 6sessions a week at least so very different to this group.
This would be more appropriate.
Lots in this, I have scanned for numbers. My takeaway is that a bit more for masters.
My opinion from scanning. I don't think 2.2g/kg is needed for this group, apart from very specialist goals. 1.4 to 1.8 is prob good but if you want to leave no room for error then 2g/kg will do it. Personally I'd go for 1.5 as it is easier to achieve and I ain't no athlete.