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Table 2 Mean scores of respondents at different time points

From: The effect of an educational intervention to improve tuberculosis infection control among nurses in Ibadan, south-west Nigeria: a quasi-experimental study

 

Number of participants (N)

Mean score, % (SD)

   

Intervention group

Comparison group

Intervention group

Comparison group

t-value

95% CI

p-value

Baseline

 Knowledge

100

100

68.6 (9.83)

67.7 (10.9)

0.62

−1.99, 3.80

0.54

 Practice

100

100

79.1 (15.1)

80.6 (15.5)

−0.66

−5.70, 2.83

0.51

6 months

 Knowledge

82

80

85.9 (9.26)

69.5 (10.3)

10.7

13.4, 19.5

< 0.001*

 Practice

82

80

93.5 (8.32)

78.8 (11.4)

9.39

11.6, 17.8

< 0.001*

12 months

 Knowledge

67

68

84.8 (11.8)

88.2 (9.70)

−1.85

−7.10, 0.24

0.07

 Practice

67

68

90.7 (10.3)

93.5 (7.85)

−1.83

−6.00, 0.24

0.07

6-month completers

 Baseline

  Knowledge

82

80

68.8 (10.2)

66.8 (10.8)

1.23

−1.23, 5.29

0.22

  Practice

82

80

79.8 (14.1)

81.4 (14.7)

−0.74

−6.12, 2.80

0.46

  1. *p < 0.05