Chewin in the Chung

I took this religion quiz. The results are below. While I have no problem at hitting 100% for U.U., I am wondering what kind of factors put me at 36% for Mainline to Conservative Christian/Protestant. And how did 'Nontheist end up at number 5?

1.  Unitarian Universalism (100%) 2.  Secular Humanism (98%) 3.  Mainline to Liberal Christian Protestants (84%) 4.  Liberal Quakers (84%) 5.  Nontheist (79%) 6.  Theravada Buddhism (68%) 7.  Neo-Pagan (61%) 8.  Bahhai Faith (58%) 9.  Taoism (52%) 10.  Christian Science (Church of Christ, Scientist) (48%) 11.  Church of Jesus Christ of Latter-Day Saints (Mormons) (48%) 12.  Reform Judaism (47%) 13.  New Age (46%) 14.  New Thought (39%) 15.  Mainline to Conservative Christian/Protestant (36%) 16.  Sikhism (34%) 17.  Mahayana Buddhism (33%) 18.  Scientology (33%) 19.  Orthodox Quaker (31%) 20.  Jehovah's Witness (23%) 21.  Jainism (19%) 22.  Eastern Orthodox (16%) 23.  Islam (16%) 24.  Orthodox Judaism (16%) 25.  Roman Catholic (16%) 26.  Seventh Day Adventist (12%) 27.  Hinduism (9%)