Table 5 Pairwise comparison of skills performance across different variable groups 

Level of education

Certificate

Diploma

-1.701^*

.568

0.009

Graduates

-1.184

.956

0.649

Diploma

Graduates

.517

.940

1.000

Working experience (years)

≤ 5 years

6-10

1.030

0.630

0.307

More than 10

1.901^*

0.738

0.031

6-10

More than 10

.871

0.681

0.604

Facility level

Health center

District Hospital

-2.427^*

0.647

0.001

Regional referral Hospital

-2.440^*

0.707

0.002

District Hospital

Regional referral Hospital

-0.013

0.640

1.000