一项统计方法的调查,用于分析行为干预的随机对照试验
Rebecca Tutino1,2, Elizabeth Schofield1, Rebecca M Saracino1
1Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
Palliative & supportive care
|June 6, 2023
概括
这项研究分析了息治疗和行为随机对照试验 (RCT) 的统计方法. 纵向建模和协差分析是最常见的,使用情况因样本大小而异.
科学领域:
- 行为医学是一种行为医学.
- 息护理研究 息护理研究
- 临床试验 临床试验
背景情况:
- 对行为干预的随机对照试验 (RCT) 缺乏明确的统计分析指导.
- 不同的统计方法使得解释和比较干预措施的有效性变得复杂.
研究的目的:
- 在息治疗和行为RCT (2015-2021) 中表征主要的统计分析.
- 突出共同的统计方法的优点和缺点.
- 为未来的研究人员和方法改革提供指导.
主要方法:
- 从四个行为医学期刊 (2015-2021) 系统提取RCT.
- 研究被分类为五个RCT分析策略,由两个独立的评价者进行.
主要成果:
- 在RCT中使用的统计方法的显著差异.
- 纵向建模和协差分析被确定为两种最常见的分析.
- 统计方法的应用表明了对样本大小的显著依赖.
结论:
- 每种统计分析方法都有明显的优点和局限性.
- 这些发现为息治疗和行为医学研究人员提供了指导.
- 需要对RCT分析进行标准化最佳实践,以进行一致的干预影响评估.
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