type 4 inter        -2.005    0.02955
type 4 slope    +4.834e-06  6.601e-07
type 2 inter        -2.067   0.005601
type 2 slope    +4.036e-06  1.065e-07
type 1 inter        -2.109   0.003415
type 1 slope    +3.852e-06  9.467e-08