[目的/意义] 从动机、机会和能力的统合视角出发，探究在线健康社区用户自我信息披露意愿的影响因素与形成机理。研究有助于在线健康社区把握用户自我信息披露对社区建设、发展的意义，完善服务体系，强化用户自我信息披露意识，提高其在疾病、创伤等负面事件中的益处发现能力；也有助于披露者对披露行为的自我感知，引导披露者实现与披露环境之间关系的调适，最大限度发挥自我信息价值性。[方法/过程] 对参与自我信息披露的在线健康社区用户实施半结构化访谈，探索性分析影响自我信息披露意愿形成的披露动机因素、披露能力因素和披露机会因素，进一步构建影响因素和形成机理模型。[结果/结论] 在线健康社区用户在披露动机（外部动机、内化动机、内部动机）、披露机会（在线健康社区质量、在线健康社区氛围）和披露能力（健康投入能力、健康素养能力）的共同影响作用下形成自我信息披露意愿，它们分别起到动机驱动作用、机会保障作用和能力支持作用。机会保障型因素不仅是自我信息披露意愿形成的直接影响条件，也直接影响着动机驱动型因素和能力支持型因素作用的发挥。
[Purpose/Significance] From the perspective of the integration of motivation, opportunity and ability, this paper explores the influencing factors and formation mechanism of Online Health Community users' self-disclosure willingness. Research will not only help OHC to grasp the significance of user self-information disclosure to community construction and development, improve service systems and strengthen users' awareness of self-information disclosure, so as to improve the discovery of their benefits in negative events such as disease and trauma; Based on the discloser's self-perception of the disclosure behaviors, guide the discloser to realize the adjustment of the relationship with the disclosure environment, and maximize the value of self-information.[Method/Process] Semi-structured interviews were conducted with OHC users who participated in the self-disclosure. The paper explored the motivation, ability, opportunity and the relationship among them and self-disclosure intention, then constructed the influencing factors and formation mechanism model of OHC users' self-disclosure intention.[Result/Conclusion] OHC users have formed self-disclosure willingness, under the common influence of disclosure motivation (external motivation, intrinsic motivation, internal motivation), disclosure opportunity (OHC quality, OHC atmosphere) and disclosure ability (health engagement ability and health literacy ability), and they play the role of motivation driving, opportunity guarantee and ability support respectively. Opportunity-guaranteed factors are not only the direct influencing conditions for the formation of self-disclosure willingness, but also directly affect the exertion of motivation-driven factors and ability-supporting factors.
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