Table 2.

Prevalence studies in deliberate self-harm behavior

Author	Population	Country	Prevalence
De Leo5	3,754 adolescents	Australia	6.2%
Nixon10	14–21 years old	Canada	17% DSH; 83%: self-hitting cutting, scratching
Morey8	3,881 adolescents	Ireland	9.1%; 66%: self-cutting
Ystgaard9	4,060 adolescents	Norway	6.6% DSH; 74%: self-cutting
Matsumoto6	Teens	Japan	9.8%: self-cutting
Li4	Adolescents and adults	Taiwan	1% of all injuries; 80% self-cutting
Yates7	13–18 years old	USA	26%–37%: self-cutting