In-home monitoring systems have been used to detect cognitive decline in older adults by allowing continuous monitoring of routine activities. In this study, we investigated whether unobtrusive in-house power monitoring technologies could be used to predict cognitive impairment. A total of 94 older adults aged ≥ 65 years were enrolled in this study. Generalized linear mixed models with subject-specific random intercepts were used to evaluate differences in the usage time of home appliances between people with and without cognitive impairment. Three independent power monitoring parameters representing activity behavior were found to be associated with cognitive impairment. Representative values of mean differences between those with cognitive impairment relative to those without were −13.5 min for induction heating in the spring, −1.80 min for microwave oven in the winter, and −0.82 h for air conditioner in the winter. We developed two prediction models for cognitive impairment, one with power monitoring data and the other without, and found that the former had better predictive ability (accuracy, 0.82; sensitivity, 0.48; specificity, 0.96) compared to the latter (accuracy, 0.76; sensitivity, 0.30; specificity, 0.95). In summary, in-house power monitoring technologies can be used to detect cognitive impairment.

中文翻译：

---

用于检测老年人认知障碍的 I 辅助内部电力监测

家庭监测系统已被用于通过持续监测日常活动来检测老年人的认知能力下降。在这项研究中，我们调查了不显眼的内部电力监控技术是否可用于预测认知障碍。本研究共招募了 94 名 65 岁以上的老年人。使用具有特定主题随机截距的广义线性混合模型来评估有和没有认知障碍的人在家用电器使用时间上的差异。发现三个代表活动行为的独立功率监测参数与认知障碍有关。对于春季感应加热，有认知障碍者与无认知障碍者之间平均差异的代表性值为 -13.5 分钟，-1。冬天微波炉80分钟，冬天空调-0.82小时。我们开发了两种认知障碍预测模型，一种有功率监测数据，另一种没有，发现前者具有更好的预测能力（准确度，0.82；敏感性，0.48；特异性，0.96）与后者（准确度，0.76；敏感性，0.30；特异性，0.95）。总之，内部电力监控技术可用于检测认知障碍。95）。总之，内部电力监控技术可用于检测认知障碍。95）。总之，内部电力监控技术可用于检测认知障碍。