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Table 3 Mean differences in nurses’ knowledge scores between intervention groups compared to waitlist group at baseline, six weeks and three months after intervention

From: Implementation of an educational module on nosocomial infection control measures: a randomised hospital-based trial

Intervention

Groups

Assessment time

knowledge Means

Mean

Difference

Std. Error

df

P-value

Intervention Groups

Wait-list Group

Intervention-1

Time-1

14.96

15.36

0.40

0.374

1

1.000

Time-2

23.68

17.15

6.52

0.346

1

< 0.001*

Time-3

23.87

17.02

6.86

0.318

1

< 0.001*

Intervention-2

Time-1

15.18

15.36

0.17

0.340

1

1.000

Time-2

19.37

17.15

2.21

0.307

1

< 0.001*

Time-3

19.39

17.02

2.38

0.298

1

< 0.001*

  1. - * = P-value is significant at ≤0.05 level