B

S.E.

Wald

df

Sig.

Exp(B)

Step 1^a

SDR

2.014

0.312

41.794

1

0.000

7.493

Constant

−2.974

0.461

41.654

1

0.000

0.051

Step 2^b

SDR

1.750

0.334

27.416

1

0.000

5.756

RR

1.685

0.327

26.519

1

0.000

1.467

Constant

−0.072

0.695

5.206

1

0.015

0.331

Step 3^c

SDR

1.445

0.355

16.598

1

0.000

4.241

SIR

0.944

0.383

6.082

1

0.014

2.570

RR

1.555

0.334

21.667

1

0.000

1.672

Constant

−1.421

0.899

2.499

1

0.114

0.241