type 4 inter        -1.779    0.04179
type 4 slope    +4.642e-06  5.076e-07
type 2 inter        -1.727   0.002183
type 2 slope    +5.261e-06  1.992e-08
type 1 inter        -1.754   0.001412
type 1 slope    +5.287e-06   1.52e-08