Diabetes Complications and Depressive Symptoms: Prospective results from the Montreal Diabetes Health and Well-Being Study

Sonya S Deschênes, Rachel J Burns, Frans Pouwer, Norbert Schmitz

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OBJECTIVE: Prospective studies testing the potential impact of diabetes complications on depression are limited. The present study examined the longitudinal associations between diabetes complications and the risk and recurrence/persistence of depressive symptoms.

METHODS: Data were from a prospective community cohort telephone survey of adults with diabetes (N= 1,314). Diabetes complications and depressive symptoms were assessed via self-report (Diabetes Complications Index and Patient Health Questionnaire-9, respectively) at baseline and annually for 5 years. Statistical models adjusted for sociodemographic, lifestyle, and diabetes characteristics.

RESULTS: The number of diabetes complications at baseline was positively associated with a greater risk of elevated depressive symptoms, with the highest risk found for those with 4-6 complications at baseline (RR= 2.73, 95% CI= [1.64, 4.56]). Cerebrovascular disease was the complication most strongly associated with incident depressive symptoms (RR= 2.22, 95% CI= [1.59, 3.10]). Coronary artery disease, peripheral vascular disease, and neuropathy were also associated with the risk of depression, whereas foot problems and eye problems were not. Additionally, a greater number of diabetes complications was associated with recurrent/persistent depression, though with a small effect size (Δr = 0.02). A parallel process latent growth curve model indicated that increases in diabetes complications were associated with increases in depressive symptoms during the course of the follow-up period (β= 0.74, p < .001).

CONCLUSIONS: This study demonstrates the temporal relation between diabetes complications and depressive symptoms and underscores the psychological burden of diabetes complications by prospectively demonstrating the increased risk and recurrence of depressive symptoms associated with diabetes complications.

TidsskriftPsychosomatic Medicine
Udgave nummer5
Sider (fra-til)603–612
StatusUdgivet - 2017
Udgivet eksterntJa