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درس ۱, موضوع ۱
در حال پیشرفت

چقدر شایع است

• ۵–۷% among children
• Slightly lower rates among adolescents, with 70–۸۰% still meeting criteria
• ۳–۵% of adults
• More males than females (2:1 … ۶:۱) in children and adolescents but closer to
۱:۱ among adults
• Affects all income levels
• Found in all ethnic/racial groups

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