Table 3

Mean utility values and QALYs per participant

Utility valuesHELPEnhanced standard care
Mean(95% CI)Mean(95% CI)
Complete cases
 Baseline0.793 (n=83)(0.735 to 0.850)0.833 (n=85)(0.792 to 0.875)
 6 months0.852 (n=68)(0.803 to 0.902)0.881 (n=63)(0.844 to 0.918)
 12 months0.851 (n=59)(0.799 to 0.902)0.871 (n=52)(0.812 to 0.930)
QALYs0.837 (n=54)(0.787 to 0.887)0.867 (n=50)(0.828 to 0.907)
With imputation
 Baseline0.792(0.736 to 0.849)0.829(0.788 to 0.870)
 6 months0.848(0.806 to 0.890)0.891(0.858 to 0.924)
 12 months0.849(0.807 to 0.891)0.847(0.805 to 0.889)
QALYs0.855(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.