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Table 4 Estimated parameter coefficients and significance of 144 patients taking 207 antidepressants for 100 days a

From: Antidepressant dosage taken by patients with bipolar disorder: factors associated with irregularity

Parameter Coefficient estimate 95% Wald confidence interval Wald chi-square P
Total pill burden 0.009 (0.003, 0.015) 8.004 0.005*
Total number of medications 0.020 (0.006, 0.033) 7.857 0.005*
Percent days depressed 0.002 (<0.001, 0.003) 5.865 0.015*
Percent days euthymic −0.001 (−0.003, <0.000) 3.891 0.049*
Percent days manic 0.000 (−0.004, 0.003) 0.065 0.799
  1. aGEE model estimated ApEn (1,0.2 × SD,100) using listed parameters with an independent correlation structure for each patient. Degrees of freedom were 1 for all models.
  2. *Significant < 0.05.