type 4 inter        -2.199     0.2142
type 4 slope     +5.93e-06  7.615e-07
type 2 inter        -1.825     0.0112
type 2 slope    +4.621e-06  4.268e-08
type 1 inter        -1.837   0.009196
type 1 slope    +4.501e-06  3.114e-08