Variable

Sampling enough Kaiser-Meyer-Olkin metrics

Bartlett’s sphericity test

Individual characteristics

0.922

Approximate chi square

df

Sig.

2382.027

28

0.000

Sharing willingness

0.788

Approximate chi square

df

Sig.

3120.822

3

0.000

Subjective norm

0.807

Approximate chi square

df

Sig.

584.969

6

0.000

Risk factor

0.811

Approximate chi square

df

Sig.

668.122

6

0.000

System characteristics

0.822

Approximate chi square

df

Sig.

845.345

6

0.000