This study examined whether the identified latent classes of structural and cognitive social capital are differently associated with depression trajectories in older Korean adults. From the five waves (2006, 2009, 2012, 2015, and 2018) of the Korean Welfare Panel Study, 3,606 participants aged ≥65 were analyzed. The latent class analysis identifies structural and cognitive social capital subgroups. Latent growth curve analysis examined the latent classes' effect on depression trajectories. Three classes were identified: medium-structural and high-cognitive (Class 1), high-structural and cognitive (Class 2), and low-structural and cognitive (Class 3). Classes 1 and 2 showed lower depression at baseline; however, the trajectory change rate was opposite than Class 3. Compared to Classes 1 and 2, depression was highest at baseline but with a slower change rate in Class 3. Therefore, it is important to identify older adults' structural and cognitive social capital classes to depression trajectories.

中文翻译：

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韩国老年人的结构和认知社会资本及其与抑郁轨迹的关系：潜在类别和增长曲线分析。

本研究检验了已确定的结构和认知社会资本的潜在类别是否与韩国老年人的抑郁轨迹有不同的关联。从韩国福利追踪研究的五轮（2006 年、2009 年、2012 年、2015 年和 2018 年）中，对 3,606 名年龄≥65 岁的参与者进行了分析。潜在类别分析识别结构和认知社会资本子群。潜在增长曲线分析检查了潜在类别对抑郁轨迹的影响。确定了三个类别：中等结构和高认知（第 1 类）、高结构和认知（第 2 类）以及低结构和认知（第 3 类）。1 级和 2 级在基线时表现出较低的抑郁；然而，轨迹变化率与第3类相反。与第1类和第2类相比，