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Table 2 Repetitive Behavior Scale for Early Childhood composite and subscale scores

From: A quantitative measure of restricted and repetitive behaviors for early childhood

  Scoring scale Total sample (n = 914) Females (n = 442) Males (n = 472)
RBS-EC scale Min/max Mean SD Mean SD Mean SD
Composite topographies 0/34 12.0 6.7 11.6 6.8 12.3 6.6
Repetitive motor topographies 0/9 5.8 3.0 5.7 3.1 5.9 3.0
Ritual and routine topographies 0/10 2.0 2.0 2.0 2.1 2.0 1.9
Restricted topographies 0/8 2.6 2.2 2.4a 2.2 2.7a 2.2
Self-directed topographies 0/7 1.6 17 1.6 1.8 1.6 1.6
Composite frequency 0/136 24.6 16.7 23.3a 16.1 25.8a 17.1
Repetitive motor frequency 0/36 15.2 11.2 14.6 11.3 15.7 11.2
Ritual and routine frequency 0/40 2.9 3.5 2.7 3.1 3.1 3.8
Restricted frequency 0/32 4.3 4.4 3.8a 4.1 4.7a 4.7
Self-directed frequency 0/28 2.2 2.7 2.1 2.7 2.2 2.7
  1. aSex difference statistically significant at p < 0.05