Agnostic, atheist, secular humanist, Unitarian Universalist. Really all the same thing to me.
And that is part of the reason I go to the UU church I do out of the two that are within a reasonable distance. The other had many there who think as you do.
I put down Congregationalist, UU, Confucian, Taoist, and Other. Other standing in for other schools of East Asian thought. For all of those East Asian schools, I ignore any accretions from either folk religion, shamanism, or Buddhism. Not that one can totally ignore Buddhism when dealing with East Asian thought, as Buddhist terminology is much used in later schools of thought, but the conclusions drawn in South Asian thought I reject. Also, it's not that I'm ignoring Western philosophy, but to the extent I make use of it, it's already part of Congregationalism and UU or is paralleled in East Asian thought.
Oh, I didn't mean to say UU was a form of atheism. I just meant all those things fit within the idea of "I don't (necessarily) believe in God, I do believe in decency."