(I)years of service

(J) years of service

Mean Difference (I-J)

Std. Error

Sig.

95% Confidence Interval

Lower Bound

Upper Bound

1 - 10

11 - 20

−1.499

2.326

0.917

−7.549

4.551

21 - 30

−0.387

3.034

0.999

−8.279

7.503

31 - 40

1.392

2.951

0.965

−6.284

9.069

11 - 20

1 - 10

1.499

2.326

0.917

−4.551

7.549

21 - 30

1.111

2.754

0.978

−6.053

8.275

31 - 40

2.891

2.663

0.699

−4.035

9.818

21 - 30

1 - 10

0.387

3.034

0.999

−7.503

8.279

11 - 20

−1.111

2.754

0.978

−8.275

6.053

31 - 40

1.780

3.299

0.949

−6.801

10.362

31 - 40

1 - 10

−1.392

2.951

0.965

−9.069

6.284

11 - 20

−2.891

2.663

0.699

−9.818

4.035

21 - 30

−1.780

3.299

0.949

−10.362

6.801