The mental health measurement data of students from a university in mainland China at two stages of their first, second, or third year of undergraduate studies.

This XLSX file contains 7 sheets: "SCL-90" sheet collected mental health assessment information from 38,661 college students during their first academic year; "SCL-90 (Total Score > 160)" sheet screened out the mental health assessment information of college students whose total score is greater than 160 in the "SCL-90" sheet; "PHQ-9" sheet collected mental health assessment information from 33,188 college students during their second or third academic year; "PHQ-9 (positive)" sheet screened out college students who chose 2 or 3 for the ninth item of PHQ-9 in the "PHQ-9" sheet; "GAQ" sheet collected the responses to the Growth Adversity Questionnaire from 392 college students; "QCA data set (N=76)" sheet and "QCA data set (N=50)" sheet are the data used for qualitative comparative analysis.