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Relative total brain volume according to presence of depression, as defined as a high CES-D score or antidepressant use, CES-D score only, and antidepressant use only. Mean volumes are adjusted for age, gender, ethnicity, years of education, sumscore of hypertension/diabetes/heart disease/stroke signs or symptoms, stroke on MRI, and white matter hyperintensity volume. Error bars represent standard errors.
* indicates statistically significant difference (p<0.05).
