Trajectories of social support in adults with type 2 diabetes: Associations with depressive symptoms and functional disability

Objectives Little is known about temporal trajectories of social support in adults with type 2 diabetes (T2D) and how they are associated with diabetes-related outcomes. This study identified and explored different trajectories of social support in a community sample of adults with T2D, as well as the extent to which different trajectories were prospectively associated with depressive symptoms and functional disability. Methods Data came from five annual waves of the Evaluation of Diabetes Treatment study (N = 1077). Social support, depressive symptoms, and functional disability were assessed via self-report. Separate analyses were conducted to examine the associations between social support trajectories, depressive symptoms, and functional disability, adjusting for demographic characteristics, diabetes-related covariates, and baseline depressive symptoms and functional disability. Results Latent class growth modeling identified four distinct social support trajectories. Trajectory Groups 1 and 2 comprised participants with persistently low and persistently moderate-low social support, respectively. Trajectory Groups 3 and 4 included participants with persistently moderate-high and persistently high social support, respectively. People with persistently low social support reported higher functional disability relative to those with persistently moderate-high and persistently high social support. Conclusions The findings of the present study indicate that temporal patterns of social support are a predictor of future functional disability among adults with T2D.