屏幕时间与儿童注意力缺陷多动障碍之间的关系:孟德尔的随机化研究
1School of Management, Beijing University of Chinese Medicine, Beijing, China.
Frontiers in psychiatry
|October 8, 2024
概括
增加屏幕时间,包括使用手机和看电视,因果上增加了儿童注意力缺陷多动障碍 (ADHD) 的风险. 儿童ADHD似乎没有影响屏幕时间. 需要进一步的研究.
科学领域:
- 遗传学 遗传学 是一个
- 神经科学是一个神经科学.
- 公共卫生 公共卫生
背景情况:
- 观察性研究表明,儿童注意力缺陷多动症 (ADHD) 和屏幕时间之间存在联系.
- 然而,屏幕时间和儿童多动症之间的因果关系仍然不清楚.
研究的目的:
- 通过双向双样本孟德尔随机化 (MR) 分析,研究屏幕时间和儿童ADHD之间的因果关系.
- 探索儿童期ADHD是否影响屏幕时间.
主要方法:
- 利用了来自精神病基因组学联盟 (PGC) 和英国生物银行的大规模基因组广泛关联研究 (GWAS) 数据集.
- 选择单核酸多态 (SNPs) 作为屏幕时间暴露的仪器变量.
- 使用MR-Egger,反变量加权 (IVW) 和因果推断的加权中位数方法,使用MR-PRESSO检测异常值.
主要成果:
- 更长的手机使用时间 (OR, 1.848) 和更多的电视观看时间 (OR, 2.104) 与儿童多动症的风险增加有显著联系.
- 反向MRI分析没有发现儿童ADHD影响屏幕时间的证据.
- 敏感性分析表明没有显著的水平形或异质性.
结论:
- 这项研究提供了证据,支持特定的屏幕时间活动与儿童多动症的风险增加之间的因果关系.
- 这些发现表明,减少屏幕时间可能是缓解ADHD风险的潜在策略.
- 需要进一步的研究来充分阐明这种复杂的关系.
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