Table 5 Factors associated with willingness to participate in clinical trials (N = 1,515)

Perception of ultimate beneficiary of CT

Pharmaceutical company^b

1

Hospital or physician

1.562

0.84-2.91

.161

Patients

1.589

1.11-2.27

.011

Advances in medicine

1.600

1.02-2.52

.043

Experience with CT

No^b

1

Yes

2.046

0.79-5.34

.143

Awareness of CT

No^b

1

Yes

1.821

1.35-2.45

<.001

Favorable feeling toward CT

Low^b

1

Moderate

1.698

1.00-2.89

.051

High

3.254

1.91-5.54

<.001

Safety of CT

Low^b

1

Moderate

2.631

1.63-4.24

<.001

High

10.877

6.43-18.41

<.001

Necessity of CT

Low^b

1

Moderate

3.40

0.69-16.78

.133

High

4.99

1.05-23.69

.043