This study examines the interplay between maternal depression/anxiety and infant temperament's developmental trajectory in 1687 Swedish-speaking mother–infant dyads from Uppsala County (2009–2019), Sweden. The sample includes a high proportion of university-educated individuals and a low share of foreign-born participants. Maternal depressive and anxiety symptoms were assessed using the Edinburgh Postnatal Depression Scale during gestational weeks 17 and 32 and postpartum at week 6. Multinomial regression explored associations between maternal variables and infant temperament trajectories at 6 weeks, 12 months, and 18 months. Prenatal anxiety is associated with the high-rising infant difficult temperament trajectory, while prenatal depression/anhedonia is associated with the stable-medium trajectory, attenuated postpartum. Associations between infant temperament and maternal mood depended on timing (pre/postpartum) and symptom type (depression/anhedonia vs. anxiety).

中文翻译：

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围产期抑郁与焦虑的相互作用以及婴儿早期气质轨迹

本研究调查了瑞典乌普萨拉县（2009-2019 年）1687 名讲瑞典语的母婴二人组中母亲抑郁/焦虑与婴儿气质发展轨迹之间的相互作用。样本中受过大学教育的人比例很高，而外国出生的参与者比例很低。使用爱丁堡产后抑郁量表在妊娠第 17 周和第 32 周以及产后第 6 周评估母亲的抑郁和焦虑症状。多项回归探讨了母亲变量与第 6 周、12 个月和 18 个月时婴儿气质轨迹之间的关联。产前焦虑与婴儿高难气质轨迹相关，而产前抑郁/快感缺乏与稳定-中等轨迹、产后减弱相关。婴儿气质和母亲情绪之间的关联取决于时间（产前/产后）和症状类型（抑郁/快感缺乏与焦虑）。