B

S.E.

Wald

df

Sig.

Exp (B)

Step 1^a

What happened side effects

1.510

0.422

12.784

1

0.000

4.527

Constant

−3.667

0.546

45.133

1

0.000

0.026

Step 2^b

What happened side effects

1.500

0.435

11.888

1

0.001

4.480

How long wait

−1.319

0.469

7.927

1

0.005

0.267

Constant

−1.982

0.772

6.601

1

0.010

0.138

Step 3^c

What happened side effects

1.216

0.460

6.972

1

0.008

3.372

Health care worker as a primary source of information

−1.287

0.474

7.361

1

0.007

0.276

information1

1.030

0.456

5.095

1

0.024

2.800

Constant

−2.895

0.881

10.807

1

0.001

0.055