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Table 1 Baseline characteristics of study participants by intervention and control group

From: A cluster randomised trial of a classroom communication resource program to change peer attitudes towards children who stutter among grade 7 students

  Intervention (n = 223) Control (n = 231)
Clusters (n) 5 5
Cluster size (n)
 Mean (range) 45 (30–54) 46 (18–68)
Quintile (n (%))
 Higher 115 (52) 118 (51)
 Lower 108 (48) 113 (49)
Gender (n (%))
 Male 95 (43) 96 (42)
Age (years)
 Mean (SD) 13 (0.76) 13 (0.84)
Baseline score
 Mean (SD)
  SROM 60.55 (7.13) 60.67 (7.86)
  PSD 39.31 (7.62) 39.71 (8.44)
  SP 12.22 (3.54) 12.20 (3.37)
  VI 9.02 (3.22) 8.77 (3.19)