Scale

1

2

3

4

5

1) PMIF

1

−0.611**

0.509**

0.790**

−0.319**

2) Cardiac self-efficacy

1

−0.328**

−0.506**

0.402**

3) Breathlessness

1

0.363**

−0.275**

4) Stress

1

−0.188*

5) Physical activity

1