Abstract
Objective To investigate the prevalence of depression and its risk factors in type 2 diabetes mellitus.Methods Beck Depression Inventory (BDI) was used to evaluate depression in 2 966 type 2 diabetes mellitus patients [ male 1 463,female 1 503,age ( 56.4 ± 11.2 ) years,diabetes duration ( 6.3 ± 5.7 ) years ].Depression criteria:≤4 points,no depression group; 5-13 points,mild depression group; 14-20 points,moderate depression group; 21 points or higher,severe depression group.Meanwhile,the demographic and metabolic data and diabetes-related health behaviors were also investigated.The risk factors associated with depression were screened by logistic regression.Results 51% patients had depression,including 38% with mild,8% with moderate,and 5% with severe depression.Compared with no depression group,depression was correlated with female sex,low-annual income,diabetes education,diabetes treatment,with insulin and peripheral neuropathy( P<0.01 ).More smoking and younger age were found in severe depression( P<0.05 ).Partial correlation analysis showed that depression in type 2 diabetes mellitus was positively correlated with female sex,diabetes education,and peripheral neuropathy ; and negatively correlated with age (P<0.05).Conditional logistic regression equation showed that gender( OR =1.37 ),age ( 20-40 years,OR =1.52 ),diabetes education ( OR =1.51 ),and peripheral neuropathy ( OR =1.87 ) were risk factors for depression.Conclusion Depression is common in type 2 diabetes mellitus.More attention should be paid to screening depression in clinical practice. Key words: Diabetes mellitus, type 2 ; Depression
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