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首页> 外文期刊>Annals of epidemiology >Longitudinal measurement invariance of the metabolic syndrome: is the assessment of the metabolic syndrome stable over time?
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Longitudinal measurement invariance of the metabolic syndrome: is the assessment of the metabolic syndrome stable over time?

机译：代谢综合征的纵向测量不变性：随着时间的推移，对代谢综合征的评估是否稳定？

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PURPOSE: Without verification of longitudinal measurement invariance, researchers cannot be certain whether observed change in the metabolic syndrome reflects true change or changes in assessment or structure of the construct over time. This research tested longitudinal measurement invariance of a 1-factor model of the metabolic syndrome during the course of 6 years. METHODS: Tests of longitudinal measurement invariance (configural, metric, and scalar) were conducted on 604 men and women who participated in the Spokane Heart Study from 1996 to 2006. Metabolic syndrome indicators included body mass index, triglycerides, high-density lipoprotein, diastolic blood pressure, and fasting glucose. RESULTS: Sequential configural and metric invariance models demonstrated adequate model fit, but the scalar invariance model led to a decrement in fit. Therefore, the theoretical framework of the syndrome and the relationships between the syndrome construct and the indicators appear to be equivalent over time. However, observed values of the metabolic syndrome indicators may differ across time when there is a constant level of the syndrome. CONCLUSIONS: Because longitudinal invariance was not fully demonstrated, interpretation of change in the metabolic syndrome over time may be misleading because change may be partly attributable to measurement properties of the indicators. However, a cross-sectional 1-factor model of the metabolic syndrome is supported.
机译：目的：如果没有纵向测量不变性的验证，研究人员将无法确定观察到的代谢综合征的变化是否反映了真实的变化，或者结构的评估或结构随时间的变化。这项研究测试了6年间代谢综合征的1因子模型的纵向测量不变性。方法：对1996年至2006年参加斯波坎心脏研究的604位男女进行了纵向测量不变性（结构，度量和标量）的测试。代谢综合征的指标包括体重指数，甘油三酸酯，高密度脂蛋白，舒张压血压和空腹血糖。结果：顺序配置和度量不变性模型显示出足够的模型拟合，但标量不变性模型导致拟合度降低。因此，随着时间的推移，证候的理论框架以及证候构造与指标之间的关系似乎是等效的。但是，当综合征水平恒定时，代谢综合征指标的观察值可能会随时间变化。结论：由于未完全证实纵向不变性，因此对代谢综合征随时间变化的解释可能会产生误导，因为变化可能部分归因于指标的测量特性。但是，支持代谢综合征的截面一因素模型。

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