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Table 5 Reading capacity at the end of grade 1 and grade 3. A regression analysis using the results from the Lindahl’s Högläsningsprov

From: The Sävsjö-school-project: a cluster-randomized trial aimed at improving the literacy of beginners—achievements, mental health, school satisfaction and reading capacity at the end of grade three using an alternative school curriculum

 

Score grade 1

Score grade 3

M (SD)

Min–max (n)

M (SD)

Min–max (n)

Experimental group

 Boys

43.6 (20.7)

6–102 (42)

88.6 (19.9)

47–121 (39)

 Girls

48.9 (17.7)

17–86 (47)

93.9 (17.3)

50–127 (45)

 Total

46.4 (19.2)

6–102 (89)

91.4 (18.7)

47–127 (84)

Comparison group

 Boys

40.9 (18.9)

12–100 (33)

79.4 (21.0)

46–153 (31)

 Girls

41.9 (18.2)

10–108 (45)

84.8 (18.2)

50–135 (43)

 Total

41.5 (18.4)

10–108 (78)

82.5 (19.5)

46–153 (74)

  1. At the end of grade 1 there were no statistically significant differences regarding reading capacity between the index group and comparison group when controlling for age and gender (p-value = n.s.). At the end of grade 3 there were statistically significant differences (p < 0.01) regarding the reading capacity between the experimental and comparison group when controlling for age and gender. Linear regression was used in Stata with the total score as a dependent variable and the independent variables group (Experimental/Comparison), age and gender