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Table 8 Change in knowledge and perception from pre to post, n = 90

From: Results of the CHlorhexidine Gluconate Bathing implementation intervention to improve evidence-based nursing practices for prevention of central line associated bloodstream infections Study (CHanGing BathS): a stepped wedge cluster randomized trial

 

Pre

Post

Test statistic

p value

Knowledge

Reasons for using CHG: correct

32 (35.56%)

32 (35.56%)

χ2 = 0

1.0

Facts about CHG: correct

28 (31.11%)

45 (50.0%)

χ2 = 9.32

.002

CHG decreases CLABSI

3.11 (0.76)

3.24 (0.84)

t = 1.27

.21

Perception

Importance of bathing

3.30 (0.73)

3.28 (0.78)

t = − 0.33

.74

Priority of bathing

2.68 (0.77)

2.74 (0.77)

t = 0.82

.41

Importance of CHG bathing

2.81 (0.93)

2.93 (1.01)

t = 1.37

.17

Priority of CHG bathing

2.60 (0.79)

2.79 (0.75)

t = 2.56

.01

  1. For “Knowledge: reasons for using CHG” and “Knowledge: facts about CHG,” n-size and percent correct are reported, and McNemar’s chi-square tests are reported to assess change. For remaining items, means and standard deviations are reported, and paired t tests are used to assess change