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Rural/urban background, depression and suicidal ideation in Chinese college students: a cross-sectional study
Heng Meng1, Jian Li, Adrian Loerbroks
1Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China ; Tongji Center of Injury Prevention, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Objectives:
The objective of this study was to examine, first, the relationship of having a rural vs. urban background with suicidal ideation in Chinese college students, and second, whether a potential relationship was mediated by depression.
Methods:
A survey was conducted among 1,145 undergraduate students at a university in China. Suicidal ideation and depressive symptoms were measured by the revised Hopkins' Symptom checklist (SCL-90-R). Associations between rural vs. urban background, depression and suicidal ideation were estimated by multivariable linear regression-based β coefficients, logistic regression-based odds ratios (ORs), and corresponding 95% confidence intervals (CIs). The magnitude of indirect effect and bias-corrected 95% CIs were obtained through bootstrap techniques.
Results:
Rural background was positively associated with depression, which was in turn associated with suicidal ideation. The OR for rural status and suicidal ideation equaled 2.15 (95% CI = 1.36-3.41). This OR was slightly, though significantly (p<0.05) attenuated by additional adjustment for depressive symptoms (OR = 1.99, 95% CI = 1.15-3.44).
Conclusion:
Having a rural background is a determinant of suicidal ideation in Chinese college students. Depression may only marginally mediate this association.
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