type 4 inter         -1.99    0.02743
type 4 slope    +6.371e-06  5.069e-07
type 2 inter        -1.971   0.001804
type 2 slope    +4.986e-06  3.296e-08
type 1 inter        -2.018   0.001135
type 1 slope    +4.988e-06  2.245e-08