Yes they do.
[Link]
although complicated, it's still follow the similar pattern. Attributes sounds like personality traits when you read though the descriptions, and training skills help gain attributes as well.
there is a mod available that helps the training of all skills and possibly attributes related to the skills that level those attributes.
[Link]
there also a de-leveling of skills and attribute they called rusting as well.
How to use this cheat table?
- Install Cheat Engine
- Double-click the .CT file in order to open it.
- Click the PC icon in Cheat Engine in order to select the game process.
- Keep the list.
- Activate the trainer options by checking boxes or setting values from 0 to 1