Executive function and attentional bias as serial mediators in the relationship between frailty and depressive symptoms among older inpatients: A cross-sectional study.

Aims And Objectives: To examine the serial mediating effect of executive function and attentional bias in the relationship between frailty and depressive symptoms.

Background: Although the role of frailty in predicting depression has been well documented, the underlying mechanisms remain unclear.

Design: A cross-sectional study was conducted with 667 older inpatients aged 60-90 years in the internal medicine wards of a hospital in China.