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Table 2 Comparison of mean scores over time by demographic factors (n = 296)*

From: Teaching children road safety through storybooks: an approach to child health literacy in Pakistan

 

Baseline test

Posttest I

Posttest II

n

Within subjects effects

P-value**

P-value***

Overall

5.1 ± 1.4

5.9 ± 1.2

6.1 ± 1.1

296

< 0.001

Gender

 Male

5.0 ± 1.3

6.0 ± 1.1

6.2 ± 1.0

126

< 0.001

0.331

 Female

5.1 ± 1.5

5.8 ± 1.3

6.1 ± 1.1

170

Grades

 Grade 4

4.8 ± 1.4

5.6 ± 1.3

6.1 ± 1.0

143

< 0.001

0.003

 Grade 5

5.3 ± 1.4

6.1 ± 1.1

6.1 ± 1.1

153

School Type

 Public

5.0 ± 1.5

5.7 ± 1.3

6.2 ± 1.1

167

< 0.001

0.009

 Private

5.2 ± 1.4

6.1 ± 1.1

6.0 ± 1.0

129

  1. * Reported as Mean ± SD
  2. ** Significant value < 0.05 for change over time (phases) only
  3. *** Significant value < 0.05 for combined effect of time & different factors (school type, grade and gender)