Dummy variable

DPD

estimate Std.

Error

t value

Pr (>|t|)

DPD_MOB12

7.928

7.428

1.067

0.28711

DPD_MOB9

−0.2236

5.5647

−0.040

0.968

DPD_MOB8

3.530

5.214

0.677

0.499

DPD_MOB6

1.984

2.626

0.756

0.45065

DPD_MOB4

−0.02484

1.61773

−0.015

0.98776

DPD_MOB3

1.220

1.181

1.033

0.30292

DPD90MOB12

0.04555

0.04094

1.113

0.26721

DPD90MOB9

0.02588

0.05186

0.499

0.618304

DPD30MOB9

0.001035

0.056221

0.018

0.985

DPD60MOB9

0.01967

0.05301

0.371

0.711

DPD60MOB6

0.02277

0.02945

0.773

0.4402

DPD30MOB6

−0.008282

0.039415

−0.210

0.83379

DPD_MOB2

0.7484

0.3701

2.022

0.04448*