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Sensitivity to clinical change at 4 months since baseline
| ZBI (n = 85) | IEQ (n =86) | |
|---|---|---|
| Baseline mean score (SD) | 32.3 (16.0) | 31.1 (16.2) |
| Endpoint mean score (SD) | 27.7 (13.4) | 26.6 (14.2) |
| Mean change endpoint – baseline scores (95% CI) | 4.6 (1.9, 7.3)* | 4.5 (2.0, 7.0)* |
| Within-group effect size (95% CI) | −0.36 (−0.58, −0.15) | −0.39 (−0.60, −0.18) |
ZBI Zarit Burden Interview, IEQ Involvement Evaluation Questionnaire, SD standard deviation, CI confidence interval
* P-value < 0.001
