sociologyapp2016

I would add that that it also probably depends on the field. Jumping from, say, theater undergrad to physics PhD will probably be difficult. But in your case, and as long as you explain your transition, it shouldn't be an issue at all.

Applied to sociology programs. Waiting to hear back!

Yes, but it might be a better idea to take your time and develop your CV, if you're aiming for an academic job.