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Table 1 Demographic data of the total participants

From: Prevalence of school bullying and its relationship with attention deficit-hyperactivity disorder and conduct disorder: a cross-sectional study

Item

Frequency

%

Sex

 Males

146

52.1%

 Females

134

47.9%

Age

 Mean ± SD

11.08 ± 0.8

 Median (interquartile range)

11 (10–12)

School grade

 Grade four

83

29.6%

 Grade five

93

33.2%

 Grade six

104

37.1%