type 4 inter        -2.038     0.0259
type 4 slope    +4.715e-06  1.441e-07
type 2 inter        -2.053   0.001632
type 2 slope    +4.928e-06  8.201e-09
type 1 inter        -2.116   0.001407
type 1 slope    +4.873e-06  6.058e-09