Physical Exercise for Late-Life Depression: Customizing an Intervention for Primary Care.

Objectives: To identify which individual- and context-related factors influence the translation into clinical practice of interventions based on physical exercise (PE) as an adjunct to antidepressants (AD) for the treatment of late-life major depression (LLMD).

Design: Secondary analysis of a randomized controlled trial.

Setting: Primary care with psychiatric consultation-liaison programs (PCLPs)-organizational protocols that regulate the clinical management of individuals with psychiatric disorders.