Fig. 2
From: Non-linear relationship between social jetlag and depressive symptoms among Chinese college students
Subgroup analysis of the odds ratio for depressive symptoms among college students by body mass index (BMI), gender, and grade. BMI is categorized as < 18.5 kg/m², 18.5–24 kg/m², and ≥ 24 kg/m² (red markers). Gender is divided into female and male (green markers), while grade is categorized as freshman and sophomore (blue markers). The vertical dashed line represents an odd ratio of 1, indicating no difference in risk.
