性别与地域共同塑造美国堕胎议题网络争论，女性在保守地区态度更鲜明。
Gendered Divides in Online Discussions about Reproductive Rights
- 基于近千万条推文，分析性别、意识形态与地理位置对堕胎言论的影响。
- 保守地区女性比男性更强烈支持堕胎权，且情绪表达更激烈，独立于意识形态。
- 多布斯案草案泄露后，受威胁地区的女性用户活跃度显著上升，动员效应明显。
2022年美国最高法院在多布斯诉杰克逊妇女健康组织案中的裁决标志着全国堕胎权利辩论的转折点。尽管堕胎问题的意识形态分歧已有充分记录，但性别与地方社会政治背景如何共同影响公众讨论仍不清楚。本研究基于近1000万条来自推特（X）上具有推断性别、意识形态和地理位置的用户的堕胎相关帖子，发现性别显著调节堕胎态度与情感表达，尤其在保守地区，且独立于意识形态。这导致堕胎态度上的性别差距在保守地区更为显著。多布斯案草案泄露进一步加剧了线上互动，不成比例地动员了处于威胁下的地区的支持堕胎女性。研究揭示，堕胎话语不仅存在意识形态极化，更深深嵌入性别与地理结构中，凸显身份在制度动荡时刻塑造政治表达的核心作用。
原文摘要 · Abstract (English)
The U.S. Supreme Court's 2022 ruling in Dobbs v. Jackson Women's Health Organization marked a turning point in the national debate over reproductive rights. While the ideological divide over abortion is well documented, less is known about how gender and local sociopolitical contexts interact to shape public discourse. Drawing on nearly 10 million abortion-related posts on X (formerly Twitter) from users with inferred gender, ideology and location, we show that gender significantly moderates abortion attitudes and emotional expression, particularly in conservative regions, and independently of ideology. This creates a gender gap in abortion attitudes that grows more pronounced in conservative regions. The leak of the Dobbs draft opinion further intensified online engagement, disproportionately mobilizing pro-abortion women in areas where access was under threat. These findings reveal that abortion discourse is not only ideologically polarized but also deeply structured by gender and place, highlighting the central role of identity in shaping political expression during moments of institutional disruption.
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