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Table 1 Descriptive and comparative analysis of demographic data and psychometric and communicative evaluation of the studied groups

From: Relation between exposure to different multimedia programs and presentation of attention deficit hyperactivity disorder

  Control, N = 30 ADHD, N = 39 P
Age (months) Mean ± SD Mean ± SD 0.105
46 ± 10 50.4 ± 11.3
Gender N % N % 0.079
Males 19 63.3 32 82.1
Females 11 36.7 7 17.9
IQ Mean ± SD Mean ± SD < 0.001*
95 ± 3 81.4 ± 13.7
Social age difference (months) Mean ± SD Mean ± SD < 0.001*
0 ± 0 6.8 ±1.9
Language age difference (months) Mean ± SD Mean ± SD < 0.001*
0 ± 0 14.3 ± 3.4
Pragmatic evaluation N = 24 N = 33 < 0.001*
N % N %
Not affected pragmatics 24 100 7 21.2
Affected pragmatics 0 0 26 78.8
  1. P comparison between ADHD and control. Numerical data are expressed in mean ± SD, compared by t-test; data categories are expressed in frequency (percentage) and compared by the chi-square or Fisher exact tests. The social age difference was used instead of social age to avoid errors in the statistics as social age should be correlated to chronological age. Social age difference = chronological age − current social age. The pragmatic checklist was not applied for children less than 3 years
  2. *Significant