The relationship between weight-adjusted-waist index and suicidal ideation: evidence from NHANES.

Shijie Guo, Guangwei Qing, Qiqi Chen, Guang Yang
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Abstract

Background: Amidst growing evidence of the intricate link between physical and mental health, this study aims to dissect the relationship between the waist-to-weight index (WWI) and suicidal ideation within a representative sample of the US population, proposing WWI as a novel metric for suicide risk assessment.

Methods: The study engaged a sample of 9500 participants in a cross-sectional design. It employed multivariate logistic and linear regression analyses to probe the association between WWI and suicidal ideation. It further examined potential nonlinear dynamics using a weighted generalized additive model alongside stratified analyses to test the relationship's consistency across diverse demographic and health variables.

Results: Our analysis revealed a significant positive correlation between increased WWI and heightened suicidal ideation, characterized by a nonlinear relationship that persisted in the adjusted model. Subgroup analysis sustained the association's uniformity across varied population segments.

Conclusions: The study elucidates WWI's effectiveness as a predictive tool for suicidal ideation, underscoring its relevance in mental health evaluations. By highlighting the predictive value of WWI, our findings advocate for the integration of body composition considerations into mental health risk assessments, thereby broadening the scope of suicide prevention strategies.

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体重调整后腰围指数与自杀意念之间的关系:来自 NHANES 的证据。
研究背景:越来越多的证据表明,身体健康与心理健康之间存在着错综复杂的联系,本研究旨在剖析具有代表性的美国人口样本中腰围-体重指数(WWI)与自杀意念之间的关系,提出将腰围-体重指数作为自杀风险评估的新指标:该研究采用横断面设计,抽样调查了 9500 名参与者。研究采用多变量逻辑分析和线性回归分析来探究 WWI 与自杀意念之间的关联。研究还使用加权广义相加模型和分层分析进一步研究了潜在的非线性动态关系,以检验不同人口统计学变量和健康变量之间的关系是否一致:我们的分析表明,WWI 增加与自杀意念增强之间存在明显的正相关,这种非线性关系在调整模型中持续存在。亚组分析结果表明,在不同的人群中,这种关联具有一致性:本研究阐明了 WWI 作为自杀意念预测工具的有效性,强调了其在心理健康评估中的相关性。通过强调WWI的预测价值,我们的研究结果提倡将身体成分因素纳入心理健康风险评估,从而扩大自杀预防策略的范围。
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来源期刊
CiteScore
6.50
自引率
10.30%
发文量
170
审稿时长
>12 weeks
期刊介绍: Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity is a scientific journal whose main purpose is to create an international forum devoted to the several sectors of eating disorders and obesity and the significant relations between them. The journal publishes basic research, clinical and theoretical articles on eating disorders and weight-related problems: anorexia nervosa, bulimia nervosa, subthreshold eating disorders, obesity, atypical patterns of eating behaviour and body weight regulation in clinical and non-clinical populations.
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