NPDS에서 사망의 원인 물질은 수면진정제, 심혈관계 약물, 아편계 약물 순이었으며 25위 안에 농약은 포함되지 않았다.
According to NPDS, the most common causative agents of death were sleep sedatives, cardiovascular drugs, and opioid drugs in order, and pesticides were not included in the top 25.