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首页> 外文期刊>BMC Medical Informatics and Decision Making >Middle-aged and elderly users’ continuous usage intention of health maintenance-oriented WeChat official accounts: empirical study based on a hybrid model in China
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Middle-aged and elderly users’ continuous usage intention of health maintenance-oriented WeChat official accounts: empirical study based on a hybrid model in China

机译：中年和老年人的卫生维护型微信官方账户的连续使用意图：基于中国混合模型的实证研究

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摘要

Although middle-aged and elderly users are the main group targeted by health maintenance-oriented WeChat official accounts (HM-WOAs), few studies have explored the relationship of these accounts and their users. Exploring the factors that influence the continuous adoption of WOAs is helpful to strengthen the health education of middle-aged and elderly individuals. We developed a new theoretical model and explored the factors that influence middle-aged and elderly individuals' continuous usage intention for HM-WOA. Performance expectancy mediated the effects of the model in explaining continuous usage intention and introduced health literacy into the model. We established a hybrid theoretical model on the basis of the unified theory of acceptance and use of technology 2 model (UTAUT2), the health belief model (BHM), protection motivation theory (PMT), and health literacy. We collected valid responses from 396 middle-aged and elderly users aged?≥?45?years in China. To verify our hypotheses, we analyzed the data using structural equation modeling. Performance expectancy (β?=?0.383, P??0.001), hedonic motivation (β?=?0.502, P??0.001), social influence (β?=?0.134, P?=?0.049), and threat appraisal (β?=?0.136, P??0.001) positively influenced middle-aged and elderly users' continuous usage intention. Perceived health threat (β?= ??0.065, P?=?0.053) did not have a significant effect on continuous usage intention. Both threat appraisal (β?=?0.579, P??0.001) and health literacy (β?=?0.579, P??0.001) positively affected performance expectancy. Threat appraisal indirectly affected continuous usage intention through performance expectancy mediation. Our new theoretical model is useful for understanding middle-aged and elderly users' continuous usage intention for HM-WOA. Performance expectancy plays a mediation role between threat appraisal and continuous usage intention, and health literacy positively affects performance expectancy.
机译：虽然中年和老年人是由健康维护的微信官方账户（HM-WOAS）针对的主要集团，但很少有研究探索了这些账户及其用户的关系。探索影响WOAS的持续采用的因素有助于加强中年和老年人的健康教育。我们开发了一种新的理论模型，并探讨了影响中年和老年人对HM-WOA的不断使用意图的因素。性能期望介绍了模型的影响，以解释持续使用意图并将健康识字引入模型中。我们在统一的接受和使用理论的基础上建立了一个混合理论模型2模型（UTAUT2），健康信仰模型（BHM），保护动机理论（PMT）和健康识字。我们收集了396岁的中年和老年人的有效答复？≥？45？45？岁月。为了验证我们的假设，我们使用结构方程建模分析了数据。性能预期静脉（β= 0.383，p？＆Δ0.001），卵子激活（β？= 0.502，p≤x≤0.001），社会影响（β=？0.134，p？= 0.049），威胁评估（β=Δ= 0.136，p≤x≤0.001）积极影响中年和老年用户的连续使用意图。感知健康威胁（β= 0.065，P？= 0.053）对连续使用意图没有显着影响。威胁评估（β？=？0.579，p≤0.579）和健康识字（β？= 0.579，p≤0.579）对性能预期率积极影响。威胁评估通过性能预期调解间接影响连续使用意图。我们的新理论模式对于理解中年和老年人的持续使用意图是有用的HM-WOA。性能期望在威胁评估和连续使用意图之间发挥调解作用，健康素养积极影响性能预期率。

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