The main causes were due to accidental falls in elderly, children swimming in waters, followed by falling into the river as the result of disease fulmination and suicidal among adults.

• 不慎淹溺是主要原因，游泳淹溺是儿童淹溺死亡的第二位原因，因疾病发作跌入河中和投河自尽是成年人淹溺死亡的第二、三位原因。