High distress intolerance (DI: often assessed as anxiety sensitivity) and low working memory capacity (WMC) have each been identified as risk factors for negative health behaviors. To our knowledge, these risk factors have only been studied independently. The current study investigated both the independent and interactive effects of DI and WMC in predicting health-related goal attainment in 118 undergraduates who self-selected a health-related goal. Participants received one of three interventions: values clarification, action planning, or a combination of the two. Across these interventions, we found that DI was at the point of significance (and reflected a small effect size) for predicting goal attainment, whereas WMC was not. Further, we found that when entered into the stepwise regression model together, the interaction of WMC and DI significantly predicted goal success one week later. Specifically, for individuals scoring one standard deviation below the mean in WMC, having worse DI significantly predicted worse goal attainment one week later. We believe this study represents the first published finding of the moderation of the predictive influence of DI by WMC, and underscores the importance of evaluating how risk factors that are typically examined independently operate together.

中文翻译：

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工作记忆调节痛苦不耐受对健康相关目标实现的预测影响

高痛苦不耐受（DI：通常被评估为焦虑敏感性）和低工作记忆能力（WMC）已被确定为负面健康行为的危险因素。据我们所知，这些风险因素仅被独立研究过。目前的研究调查了 DI 和 WMC 在预测 118 名自选健康相关目标的本科生中实现健康相关目标的独立和交互作用。参与者接受了三种干预措施之一：价值观澄清、行动计划或两者的结合。在这些干预措施中，我们发现 DI 在预测目标实现方面具有显着性（并反映了较小的效应量），而 WMC 则不然。此外，我们发现当一起进入逐步回归模型时，WMC 和 DI 的交互作用显着预测一周后的目标成功。具体来说，对于在 WMC 中得分低于平均值 1 个标准差的个人，具有较差的 DI 显着预测一周后的目标实现较差。我们相信这项研究代表了 WMC 首次发表的关于缓和 DI 预测影响的发现，并强调了评估通常独立检查的风险因素如何共同作用的重要性。