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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