You can configure what parameters are displayed in the leader board from here
In order to configure the leadership board settings, you can:
1. Click on the "Settings" tab in the side-navigation bar.
2. Select "Gamification" from here.
3. The various configurations that can be made under settings for leadership board are:
The configurations that you make here will be shown in the leaderboard report under Gamification report.
4. Save once the changes are made.