Table 3.

Mean utility values and QALYs per participant

Utility values	HELP		Enhanced standard care
	Mean	(95% CI)	Mean	(95% CI)
Complete cases
Baseline	0.793 (n=83)	(0.735 to 0.850)	0.833 (n=85)	(0.792 to 0.875)
6 months	0.852 (n=68)	(0.803 to 0.902)	0.881 (n=63)	(0.844 to 0.918)
12 months	0.851 (n=59)	(0.799 to 0.902)	0.871 (n=52)	(0.812 to 0.930)
QALYs	0.837 (n=54)	(0.787 to 0.887)	0.867 (n=50)	(0.828 to 0.907)
With imputation
Baseline	0.792	(0.736 to 0.849)	0.829	(0.788 to 0.870)
6 months	0.848	(0.806 to 0.890)	0.891	(0.858 to 0.924)
12 months	0.849	(0.807 to 0.891)	0.847	(0.805 to 0.889)
QALYs	0.855	(0.816 to 0.895)	0.881	(0.851 to 0.921)

Data include values imputed using multiple imputation (see text).

HELP, Healthy Eating and Lifestyle Programme; QALYs, quality-adjusted life years.