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The Georgia Cold Case Project

Appendix A

Multivariate Logistic Regression Models Predicting Cold Case Status: Main Effects Only & Interaction Effects (Final) Model

Estimate

Std. Error

z value

V1 No Federal Reimbursement

-31.740

18.560

-1.711

V2 # Months in Care

-0.507

0.296

-1.711

V3 No TPR

-9.861

17.570

-0.561

V4 Caretaker Year of Birth

0.009

0.015

0.618

V5 Institution Placement

-54.880

27.210

-2.017

V6 Age of Child in Years

-0.716

1.812

-0.395

V7 # Placements This Removal

2.964

2.134

1.389

V1*V2

-0.009

0.003

-2.458

V1*V3

-0.486

0.234

-2.078

V1*V4

0.016

0.009

1.663

V1*V5

0.239

0.332

0.720

V1*V6

0.039

0.027

1.420

V1*V7

-0.013

0.026

-0.489

V2*V3

-0.009

0.003

-2.747

V2*V4

0.000

0.000

1.022

V2*V5

0.003

0.004

0.751

V2*v6

0.013

0.001

21.588

V2*V7

-0.001

0.000

-1.933

V3*v4

0.006

0.009

0.624

V3*V5

-1.052

0.393

-2.676

V3*V6

0.052

0.023

2.258

V3*V7

-0.049

0.026

-1.905

V4*V5

0.024

0.014

1.785

V4*V6

0.000

0.001

0.018

V4*V7

-0.002

0.001

-1.412

V5*V6

0.415

0.090

4.607

V5*V7

-0.038

0.030

-1.275

V6*V7

0.004

0.003

1.312

(Intercept)

-7.511

28.720

-0.262

Estimate

Std. Error

z value

No Federal Reimbursement

-1.311

0.088

-14.976

# Months in Care

-0.013

0.001

-10.211

No TPR

0.653

0.081

8.043

Caretaker Year of Birth

0.023

0.003

7.298

Institutional Placement

-0.647

0.122

-5.321

Age of Child in Years

-0.037

0.008

-4.388

# Placements This Removal

-0.036

0.010

-3.619

(Intercept)

-43.954

6.206

-7.083

** statistically significant at p < .001, ** statistically significant at p<.01 * statistically significant at p<.05.

52

Pr(>|z|) < 2e-16 *** < 2e-16 ***

    • 8.79

      e-16***

    • 2.92

      e-13 ***

    • 1.03

      e-07 ***

    • 1.15

      e-05 ***

0.000295 *** 1.41e-12 ***

Pr(>|z|) 0.0872 0.0871 0.5746 0.5367 0.04372 * 0.6929 0.1648

    • 0.01398

      *

    • 0.03773

      *

0.0963 0.4714 0.1556 0.6251 0.00601 ** 0.3068 0.4526 < 2e-16 *** 0.0532 0.5327

    • 0.00744

      **

    • 0.02393

      *

0.0567 0.0743 0.9858 0.1578 4.08e-06 *** 0.2022 0.1897 0.7937

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