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<p>This study examines the evolution of Chinese netizens’ discourse on chronic obstructive pulmonary disease and explores how these discursive dynamics reflect the maturation of related policies. We collected Weibo posts associated with chronic obstructive pulmonary disease hot-search topics from 2020 to 2025. Following standardized text preprocessing and domain-specific word segmentation, sentence-window co-occurrence networks were constructed. Semantic network analysis was conducted, and communities were identified using the Louvain algorithm. The results indicate a transition from foundational sense-making to risk governance and institutionalized disease management. Across the study period, the discourse is structured around two principal dimensions: exposure governance and regimen normalization. Public attention reached its highest level in 2023, coinciding with the widespread use of audiovisual educational content that translated pathophysiological knowledge into short instructional formats. From 2024 onward, discussions increasingly focused on exposure control and home-based care. By 2025, terms related to disease management and care settings became dominant, as chronic obstructive pulmonary disease was incorporated into broader respiratory health campaigns, including tuberculosis prevention and control initiatives. Biomedical and traditional Chinese medicine vocabularies consistently co-occurred within highly connected thematic communities, suggesting their stable coexistence within a shared semantic space. Institutional actors, including hospitals, professional associations, and public agencies, shaped these discursive trajectories through scheduled public health campaigns and cross-disease communication strategies, thereby expanding audience reach while reducing disease-specific attention. Overall, public discourse shifted from understanding “what” and “why” toward addressing “how,” “where,” and “with whom” disease management should be undertaken, offering implications for communication strategies that integrate exposure reduction with routine long-term care.</p>

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Public Attitudes Toward Chronic Obstructive Pulmonary Disease in China: Semantic Network Analysis Using Social Media Data

  • 期刊论文

  • 发表日期：

    2026年7月30日

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  • Jie Lian,
  • Xuefan Dong

摘要

This study examines the evolution of Chinese netizens’ discourse on chronic obstructive pulmonary disease and explores how these discursive dynamics reflect the maturation of related policies. We collected Weibo posts associated with chronic obstructive pulmonary disease hot-search topics from 2020 to 2025. Following standardized text preprocessing and domain-specific word segmentation, sentence-window co-occurrence networks were constructed. Semantic network analysis was conducted, and communities were identified using the Louvain algorithm. The results indicate a transition from foundational sense-making to risk governance and institutionalized disease management. Across the study period, the discourse is structured around two principal dimensions: exposure governance and regimen normalization. Public attention reached its highest level in 2023, coinciding with the widespread use of audiovisual educational content that translated pathophysiological knowledge into short instructional formats. From 2024 onward, discussions increasingly focused on exposure control and home-based care. By 2025, terms related to disease management and care settings became dominant, as chronic obstructive pulmonary disease was incorporated into broader respiratory health campaigns, including tuberculosis prevention and control initiatives. Biomedical and traditional Chinese medicine vocabularies consistently co-occurred within highly connected thematic communities, suggesting their stable coexistence within a shared semantic space. Institutional actors, including hospitals, professional associations, and public agencies, shaped these discursive trajectories through scheduled public health campaigns and cross-disease communication strategies, thereby expanding audience reach while reducing disease-specific attention. Overall, public discourse shifted from understanding “what” and “why” toward addressing “how,” “where,” and “with whom” disease management should be undertaken, offering implications for communication strategies that integrate exposure reduction with routine long-term care.