When the Stat.useItem command is used in conjunction with a scoreboard it will only recognise block actions. When I have a scoreboard using Stat.useItem.373 it won't add to the score when I use that item, In this case drinking from a water bottle. However if I use the same scoreboard but with a block, for example Stone, This issue doesn't occur
Duplicate of MC-31047 - If you have not, please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.