To the Editor Riehm et al¹ report an association between social media use and increased risk of internalizing and combined internalizing/externalizing problems 1 year later (between waves 2 and 3 of Population Assessment of Tobacco and Health study data), controlling for psychopathology and alcohol/marijuana use at wave 1. However, the analytic strategy is vulnerable to substantial residual confounding.

中文翻译：

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社交媒体使用与心理健康之间是否存在关联？混淆测量问题的时机。

Riehm等[ ^1]向编辑报告，一年后（烟草和健康研究数据的人群评估第二波和第三波之间）社交媒体使用与内部化和内部化/外部化问题综合风险之间的关联，控制了心理病理学和酒精在第1浪中使用大麻/大麻。但是，分析策略容易受到大量残余混杂的影响。