The Test-Retest Reliability of Heart Rate Variability and Its Association With Personality Functioning.
The Test-Retest Reliability of Heart Rate Variability and Its Association With Personality Functioning.
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DOI：
10.3389/fpsyt.2020.558145
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发表时间：
2020
影响因子：
4.7
通讯作者：
Hummelen B
中科院分区：
文献类型：
--
作者：
Eikeseth FF;Sætren SS;Benjamin BR;Ulltveit-Moe Eikenæs I;Sütterlin S;Hummelen B
背景：心率变异性（HRV）是一种被广泛应用的情绪调节能力的无创指标。我们研究的主要目的是在临床样本中调查HRV与人格功能水平之间的关系，其中大多数患有人格障碍。我们的第二个目的是检查我们样本中HRV的重测信度，因为缺乏关于精神病学人群重测信度的知识。我们假设HRV特征与人格功能障碍呈负相关。方法：从挪威的两家精神科门诊招募了32名患有阈值或亚阈值人格障碍的成年人（23名女性，平均年龄= 27岁）。人格功能障碍通过DSM-5人格障碍替代模型（SCID-5-AMPD-I）结构化临床访谈的第一个模块进行评估；人格功能水平量表（LPFS）在连续三天的自主呼吸静息状态下评估HRV。性状HRV是通过对所有三个HRV评估的平均值来计算的。采用类内相关性评估HRV的重测信度。结果：与预期相反，性状HRV与LPFS自我方向域之间存在正相关。这是由时间点2 LPFS和HRV之间的正相关所驱动的。总体而言，HRV的重测信度与以往对健康受试者的研究相当。然而，前两个时间点的信度系数相对于第二个和第三个时间点要低得多。结论：我们认为人格功能的损害可能增加了HRV中状态相对于特质的变异比例。这可以解释前两个时间点较低的重测信度。最后两个时间点增加的重测信度可以反映出对测试情况的习惯，因此，第二和第三个时间点的状态影响不太明显。
Background: Heart rate variability (HRV) is a widely used non-invasive index of emotion regulation ability. The main aim of our study was to investigate the relationship between HRV and level of personality functioning in a clinical sample, most of whom had a personality disorder. Our secondary aim was to examine the test-retest reliability of HRV in our sample as there is a lack of knowledge regarding the test-retest reliability in psychiatric populations. We hypothesized that trait HRV would be negatively associated with impairments of personality functioning. Method: Thirty-two adults (23 females, mean age = 27) with threshold or subthreshold personality disorders were recruited from two psychiatric outpatient clinics in Norway. Impairment of personality functioning was assessed by the first module of the Structured Clinical Interview for the DSM-5 Alternative Model for Personality Disorders (SCID-5-AMPD-I); Level of Personality Functioning Scale (LPFS). HRV was assessed during resting conditions with spontaneous breathing over three separate days. Trait HRV was calculated by averaging all three HRV assessments. The test-retest reliability of HRV was assessed using intraclass correlations. Results: Contrary to expected, a positive association between trait HRV and the LPFS Self-direction domain emerged. This was driven by positive associations between the LPFS and HRV at time point 2. Overall, the test-retest reliability of HRV was comparable to previous studies on healthy subjects. However, the reliability coefficients for the first two time points were considerably lower relative to the second and third time points. Conclusions: We propose that impairment of personality functioning may have increased the proportion of variance in HRV attributed to state relative to trait. This could explain the lower test-retest reliability for the first two time points. The increased test-retest reliability for the last two time points could reflect a habituation to the testing situation and hence, less pronounced influences of state in the second and third time points.
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