Department of Occupational and Environmental Medicine, Bispebjerg Hospital, DK-2400 Copenhagen NV, Denmark.
Int J Psychophysiol. 2011 Feb;79(2):195-202. doi: 10.1016/j.ijpsycho.2010.10.009. Epub 2010 Oct 27.
The current study analyzed the relationship between psychosocial factors measured at baseline and heart rate variability (HRV) and salivary cortisol measured at baseline and again, six years later.
In 2002 and 2008, measurements of HRV and salivary cortisol at three time points were obtained from 70 healthy participants (48 women and 22 men). The associations between the psychosocial factors measured in 2002 and the dependent variables, HRV and salivary cortisol measured in 2002 and 2008, were examined using a series of repeated measures ANCOVAs. The dependent variables were as follows: the logarithmically transformed levels of total power (LnTP), high frequency power (LnHF), the ratio between low and high frequency power (LnLF/HF) and salivary cortisol (LnCortisol).
For women, high social status was associated with high LnTP, high LnHF, and low LnLF/HF. In work, lack of control was associated with low LnTP, and lack of support was associated with an increased LnLF/HF ratio. For men, high social status was associated with low LnTP, low LnHF and high LnCortisol. Greater number of hours spent doing housework was associated with both low LnLF/HF and low LnCortisol, whereas a large imbalance between effort and reward was associated with low LnTP and high LnCortisol.
Despite the small sample size, this study demonstrated that psychosocial factors impact levels of activity in the allostatic systems.
本研究分析了基线时测量的心理社会因素与基线时和六年后再次测量的心率变异性（HRV）和唾液皮质醇之间的关系。
2002 年和 2008 年，从 70 名健康参与者（48 名女性和 22 名男性）中获得了三次 HRV 和唾液皮质醇测量值。使用一系列重复测量方差分析，检查了 2002 年测量的心理社会因素与 2002 年和 2008 年测量的因变量（HRV 和唾液皮质醇）之间的关联。因变量如下：总功率（LnTP）、高频功率（LnHF）、低频与高频功率比（LnLF/HF）和唾液皮质醇（LnCortisol）的对数转换水平。
对于女性，高社会地位与高 LnTP、高 LnHF 和低 LnLF/HF 相关。在工作中，缺乏控制与低 LnTP 相关，缺乏支持与 LnLF/HF 比值增加相关。对于男性，高社会地位与低 LnTP、低 LnHF 和高 LnCortisol 相关。做家务的时间越多，与低 LnLF/HF 和低 LnCortisol 相关，而努力与回报之间的巨大不平衡与低 LnTP 和高 LnCortisol 相关。
尽管样本量较小，但本研究表明心理社会因素会影响适应系统的活动水平。
