Table 9 GEE (ordinal logistic) analysis of medication effectiveness rating.

From: Individualized psychological intervention for medication adherence in outpatients with depression

Parameter

B

Std. Error

95% CI

Wald χ²

p-value

Time [T1 vs. T4]

−2.777

0.383

−3.527 to −2.027

52.689

<0.001

Time [T2 vs. T4]

−1.353

0.4

−2.138 to −0.569

11.429

0.001

Time [T3 vs. T4]

−0.352

0.384

−1.105 to 0.401

0.839

0.36

Group [Intervention vs. Control]

0.347

0.458

−0.551 to 1.245

0.572

0.449

Time × Group Interaction

  

1.879

0.598

  1. The model included threshold parameters (not shown). A negative B for Time indicates a lower odds of a higher effectiveness rating at the earlier time point versus T4 (reference).
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