Table 2. EQ-5D scores and QALYs from 24 weeks to 48 weeks, with multiple imputation used to handle missing values

Outcome	dCBT (n = 853), mean (SE)	Control (n = 858), mean (SE)	Mean difference (95% CI)
EQ-5D
Week 24	0.820 (0.005)	0.787 (0.005)	0.033(0.018 to 0.048)^a
Week 36	0.810 (0.006)	0.787 (0.005)	0.023(0.010 to 0.037)^a
Week 48	0.817 (0.006)	0.787 (0.005)	0.030(0.016 to 0.043)^a
QALYs
24–48 weeks	0.375 (0.002)	0.362 (0.002)	0.013(0.007 to 0.018)^a

^a P<0.05. dCBT = digital cognitive behavioural therapy. QALYs = quality-adjusted life years. SE = standard error.