What is every Big 12 Conference team's record against the over/under line as a home underdog in the 2003 season?

Definitions
Team Over Record Over % Under % Total +/-
Texas Tech 1-0-0 100.0% 0.0% +9.0
Oklahoma St 2-0-0 100.0% 0.0% +15.0
Missouri 2-0-0 100.0% 0.0% +18.0
Baylor 3-2-0 60.0% 40.0% +0.6
Iowa St 2-2-1 50.0% 50.0% +0.8
Colorado 1-2-0 33.3% 66.7% -8.3
Texas A&M 1-2-0 33.3% 66.7% 0.0
Kansas 0-2-0 0.0% 100.0% -17.5