Background: Pediatric psychotropic polypharmacy (PPP) is the prescription of more than one medication targeting psychiatric disorders among people younger than 18 years. Recent data suggested that PPP rates may be plateauing. Few studies have evaluated this question in large, nationally recruited samples.

中文翻译：

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儿科精神药物多药治疗：国家健康和营养检查调查中各个评估周期的相关性和患病率评估

背景：儿科精神药物多药治疗 (PPP) 是针对 18 岁以下人群精神疾病的一种以上药物处方。最近的数据表明购买力平价率可能趋于稳定。很少有研究在全国范围内招募的大型样本中评估这个问题。