数字讲故事提高知识和行为预期,以减少饮食中的:一项随机对照试验
Maya Adam1,2, Julia K Rohr3, Merlin Greuel3
1Stanford University School of Medicine, Department of Pediatrics and Center for Digital Health, Stanford, CA, USA. madam@stanford.edu.
NPJ digital medicine
|January 9, 2026
概括
简短的动画讲故事 (SAS) 视频有效地改善了美国成年人的摄入知识和行为期望. 这种数字干预表明,它有望减少心血管疾病的风险因素.
科学领域:
- 公共卫生 公共卫生
- 卫生沟通健康沟通
- 预防心血管疾病 预防心血管疾病
背景情况:
- 过多的摄入量是心血管疾病 (CVD) 和死亡率的重要危险因素.
- 将每日摄入量减少到2克以下与较低的心血管疾病死亡率有关.
- 社交媒体和短视频内容为可扩展的健康干预提供了新的途径.
研究的目的:
- 评估一个以为重点的短动画讲故事 (SAS) 视频对美国成年人关于减少的知识和行为期望的影响.
- 评估试验后自愿参与数字健康干预的情况.
- 探索SAS视频的潜力,作为一种关于饮食习惯的公共卫生信息传递工具.
主要方法:
- 一个四臂,并行,随机对照试验,涉及8616名美国成年人.
- 参与者被分配接受SAS视频加调查,仅调查,注意力安慰剂视频加调查或没有暴露.
- 知识,行为期望和自愿参与被立即评估,并在2周的随访后进行评估.
主要成果:
- 单次接触SAS视频显著提高了参与者关于摄入量的知识,无论是立即还是2周后.
- 该干预措施还增加了在两个评估点减少摄入量的行为期望.
- 在审判后观察到高水平的自愿参与SAS干预.
结论:
- 可扩展的数字讲故事干预措施,如SAS视频,具有显著的潜力,可以改善饮食知识,并激励与减少相关的行为改变.
- 这些发现表明,SAS视频可以成为旨在降低心血管风险的公共卫生战略中的有效工具.
- 进一步的研究确定最容易接受SAS内容的人口群体,可以完善针对心血管疾病预防的有针对性的干预措施.
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