Network analysis of the association between depression and quality of life in the elderly

= 0.806) propensity score matching (PSM). Within the derived depression-QOL network, we identified that the 10 strongest edges between the two communities are distributed across the respective domains of QOL. Notably, GDS1 (Life satisfaction), GDS5 (Happiness), and GDS4 (Boredom) serve as bridge symptoms within the depression-QOL network. The indicator of 'a general sense of satisfaction with life' was crucial in the network of symptoms, demonstrating notable links to the QOL of the residents. Vigilance towards these symptoms is vital for reducing risks and preventing the worsening of QOL in the elderly.