Table 1. EQ-5D scores and QALYs to 24 weeks, with multiple imputation used to handle missing values
OutcomedCBT (n = 853), mean (SE)Control (n = 858), mean (SE)Mean difference (95% CI)
EQ-5D
Week 00.772 (0.004)0.772 (0.004)–0.0001(–0.012 to 0.012)
Week 40.799 (0.005)0.785 (0.005)0.014(–0.001 to 0.028)
Week 80.826 (0.005)0.787 (0.005)0.039(0.024 to 0.053)a
Week 240.820 (0.005)0.787 (0.005)0.033(0.018 to 0.048)a
QALYs
0–24 weeks0.375 (0.002)0.362 (0.002)0.014(0.008 to 0.019)a
  • a P<0.05. dCBT = digital cognitive behavioural therapy. QALYs = quality-adjusted life years. SE = standard error.