Table 1 The JDCS Model Construct Items

1

My job requires working very fast.

2 ~ 10

0.70

2

My job requires working very hard.

1

I have enough resources to manage my job.

3 ~ 15

0.73

2

At my workplace I dare to speak my minds.

3

I have the freedom to decide how my tasks are to be carried out.

1

I get along well with my supervisors.

2 ~ 10

0.61

2

I get along well with my coworkers.