Parent-Child Attachment and Middle School Students' Depression: The Mediating Role of Intolerance of Uncertainty and Moderation of Emotion Regulation

This study aims to investigate the mediating role of Intolerance of uncertainty and moderating role of emotional regulation in the effect of parent-child attachment on middle school students' depression. A total of 450 questionnaires were distributed, and 400 valid questionnaires were collected, with an effective rate of 88.8%. Mplus7.4 was used to test for common method bias, SPSS 25.0 was used to perform descriptive statistics, reliability analysis, and correlation analysis on the data, and Model 4 in the SPSS macro PROCESS program was used to test the mediation effect, and Model 14 was used to test the moderation effect. The results show that intolerance of uncertainty partially mediates the relationship between parent-child attachment and students’ depression. Results show that emotion regulation plays a moderating role in the relationship between intolerance of uncertainty and depression.