Yamada Noriko, Bekku Naoko, Yoshimura Hiroyuki
Health Science Laboratory, Faculty of Nursing and Health Sciences, Ehime University Graduate School of Medicine, Toon, Japan.
Nihon Shinkei Seishin Yakurigaku Zasshi. 2007 Nov;27(5-6):191-9.
Chilliness in women is a symptom of menopause, but there is increasing evidence that young women also suffer from chilliness, which can lead to mental problems such as insomnia and mood disorders. We elucidated methodological issues related to recognizing young women suffering from chilliness. Ninety-seven female university students were divided into two groups by their self-awareness of chilliness. Using a new questionnaire, we evaluated the severity of their physical, mental and chilliness-related complaints. We also measured several physical parameters (BMI, body fat ratio, basal metabolism, blood pressure). The peripheral circulation dynamics were measured using a laser tissue blood flowmeter, while recovery of the skin surface temperature after mild cold-water immersion was determined using thermography. There were significant differences in the severity of the chilliness-related complaints, peripheral circulation dynamics, skin surface temperature, and the rate of skin surface temperature recovery between the control and chilliness groups. Using these items, discriminant analysis using the Mahalanobis generalized distance revealed that the discrimination hit ratio was approximately 84.5%, while the misclassification ratio was approximately 16.3%. We suggest that both the rate of skin surface temperature recovery after mild cold stress and the severity of chilliness-related complaints are essential items for discriminating between participants with and without chilliness.
女性畏寒是更年期的一种症状，但越来越多的证据表明年轻女性也会出现畏寒症状，这可能会导致失眠和情绪障碍等心理问题。我们阐明了与识别畏寒年轻女性相关的方法学问题。97名女大学生根据她们对畏寒的自我认知被分为两组。使用一份新问卷，我们评估了她们身体、心理和与畏寒相关的不适的严重程度。我们还测量了几个身体参数（体重指数、体脂率、基础代谢、血压）。使用激光组织血流仪测量外周循环动力学，同时使用热成像法测定轻度冷水浸泡后皮肤表面温度的恢复情况。对照组和畏寒组在与畏寒相关的不适严重程度、外周循环动力学、皮肤表面温度以及皮肤表面温度恢复率方面存在显著差异。使用这些项目，通过马氏广义距离进行判别分析显示，判别命中率约为84.5%，误分类率约为16.3%。我们认为，轻度冷应激后皮肤表面温度的恢复率和与畏寒相关的不适严重程度都是区分有无畏寒参与者的重要指标。
