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Table 1 Means and Standard Deviations, for Age and DBD Scores, by Subtype

From: Moment-to-moment dynamics of ADHD behaviour in South African children

  ADHD-C ADHD-HI ADHD-PI Non-ADHD  
  Boys Girls Boys Girls Boys Girls Boys Girls Total
Age (mo)* 102.4 ± 10.6 104.4 ± 11.8 109.5 ± 20.7 103.6 ± 9.0 104.5 ± 15.7 102.9 ± 19.2 108.0 ± 14.9 101.5 ± 11.8 106. 4 ± 5.1
DBD** Inatt 24.0 ± 3.8 23.8 ± 2.7 13.8 ± 4.2 14.8 ± 2.5 22.2 ± 4.4 25.8 ± 2.6 6.6 ± 5.7 5.2 ± 5.9 13.5 ± 9.2
DBD** H/I 22.0 ± 3.2 20.9 ± 3.2 20.2 ± 1.8 20.6 ± 2.1 10.0 ± 6.0 9.9 ± 4.1 4.1 ± 3.6 4.4 ± 5.1 10.6 ± 8.4
N          
Afrikaans 2 3 1 1 3 1 10 5 26
English 0 0 0 0 1 0 2 1 4
N Sotho 1 3 4 1 0 1 12 9 31
Tsonga 3 1 3 1 8 2 3 1 22
Venda 4 2 2 4 11 2 17 8 50
N Ndebele 3 4 3 0 4 2 8 3 27
Tswana 3 0 3 1 1 0 9 2 19
Total 16 13 16 8 28 8 61 29 179
  1. * There were no statistically significant differences in age between the subtypes
  2. ** Differences between groups were not tested, as the groups were defined by these scores.
  3. DBD: Disruptive Behavior Disorder rating scale [22]; Inatt: Scores on inattentive items; H/I: Scores on hyperactive/impulsive items