Brief screening questions for depression in chiropractic patients with low back pain: identification of potentially useful questions and test of their predictive capacity

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Published online 2014 Jan 17. doi: 10.1186/2045-709X-22-4

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Table 3

Correlations between the total MDI score and single items and amount of variance in the MDI score explained by each item

All correlations and regression models were statistically significant (p < .001).