sentence meaning - "bullied as a kid" vs "bullied in your childhood" - any difference?

Do following sentences imply same thing and Is there anything wrong with the first one?

1) Were you bullied as a kid?
2) Were you bullied in your childhood?

Answer

1) Were you bullied as a kid?
2) Were you bullied in your childhood?

Yes, they mean the same thing. No, there is nothing wrong with the first sentence.

The as a kid part describes the age of the person who was (supposedly) bullied.

I forgot how to exactly name this construction. An adjunct of time, probably? Here's an example:

I travelled a lot as a kid. (When I was a kid, I travelled a lot)

P.S. To me, the sentences mean the same, but to some native speakers, there's a slight difference: see other answers. To other native speakers they also mean the same though.