For those that want to do data only backup to restore the apps from previopus installation there is another application called the ZipInstaller

You can chose to do a full nadroid backup or just data/ or systems but for the purpose of using this application it is BEST suited for people who only want to backup DATA only to go back to the installation that was previiously on the device.

The CWM backup do a full Nadoid backup that means the kernel, recovery , system, data , cahce, and everything that was on the PREVIUOS install so that you can go back to the previous the including the previous versions of everything!

But the zip installer will backup only what you choose that is data only or data+system and restore only that through the CWM recovery. But the backup will have to done carefully.

1. Install the CWM recovery through the ArcTools.

2. Install https://play.google.com/store/apps/details?id=com.beerbong.zipinst or if you want a free version of it : https://www.dropbox.com/s/up623ntguw4egr7/com.beerbong.zipinst_4.1.0.apk

3. Run backup and choose only the data and cache folders (for those that is more concern about backing up data not the full nandroid which is what CWM will do) it will ask you to approve the name of the files itcreated or you can rename it.

4. remove the sdcard from device by safely unmounting it through the settings/storage (it will backup into internal sdcard anyway)

5. and then run the backup it will reboot into CWM recovery and run only the backup you want (i.e data and cache) or the full nandroid which ever is your preferred.

Then after reboot (auto) you can copy/move the new folder created in the ClockWorkMod folder onto your sdcard (after mounting it back)

Then after the next update install the ZipInstaller and (you can copy/move the the whole CWM folder into the internal sdcard) and then run the RESTORE from the zip that was created. Then you will have the previous data up and running as before the update.

This will circumvent the need to reinstallall the  (installed apk/data) one by one , I dont recommed to use Titanium Backup cause it causes ForClose on wayward app that doesnt suit it. Belief me I am on CWM recovery and the FC issues and non working apps are abound  that the ROM developer for the version of my pad has told us NOT to use TitaniumBackup.

Already on this forum I hear questions about restoration from Titanium backup.