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Table 3 Mean health-related quality of life at the end of the intervention (12 months) and at 18-month follow-up and the QALYs for the intervention and the control group

From: Cost-effectiveness of the SLIMMER diabetes prevention intervention in Dutch primary health care: economic evaluation from a randomised controlled trial

 Intervention (n = 145)Control (n = 143)Mean difference
Mean (SD)Mean (SD)Mean (95% CI)
SF-6D health status
 Baseline0.79 (0.12)0.79 (0.10)−0.001 (−0.03; 0.02)
 12 months0.81 (0.11)0.79 (0.11)0.02 (− 0.002; 0.05)
 18 months0.80 (0.13)0.79 (0.12)0.01 (−0.02; 0.04)
QALY total over 18 months1.20 (0.15)1.19 (0.14)0.02 (−0.01; 0.05)