Save date of user profile Was: QSYSOPR user profile and GO SAVE 21

So the QSYSOPR and go save 21 conversation made me curious. My user profile shows:
Save/Restore information:                                    
  Save date/time . . . . . . . . . . . :   12/17/11  01:40:35
  Restore date/time  . . . . . . . . . :   12/17/11  02:10:00
  Save command . . . . . . . . . . . . :   SAVSECDTA         


Profiles created since the conversion (12/17/11) have blanks for both save and restore.


We use RUNBCKUP to do our backup and the report shows:

 Backup       Backup           Tape     Security
 Date         Options          Set      Data       
 06/13/12     Daily            *ANY     Yes      


The data area QSAVUSRPRF is blank. The save/restore information from display object description shows:

Save date/time . . . . . . . . . . . :   06/13/12  02:44:38
Restore date/time  . . . . . . . . . :                    
Save command . . . . . . . . . . . . :   SAVSECDTA        


Is that the only place we can see the save date of a user profile? How do we know that a user profile has been backed up?


"Trust me?"

My guess is we would compare the save date/time of QSAVUSRPRF with the create date of the user profile? Is that correct?