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Table 3 Pooled outcomes for body weight and QALYs a achieved between baseline and two year follow-up

From: Economic evaluation of a weight control program with e-mail and telephone counseling among overweight employees: a randomized controlled trial

Clinical outcome Control n=448 Phone n=453   Internet n=450  
  Mean (SEM) Mean (SEM) ΔE (95% CI) b Mean (SEM) ΔE (95% CI)
Weight loss (kg) 1.1 (0.33) 1.5 (0.29) 0.3 (-0.6; 1.3) 1.9 (0.27) 0.9 (-0.1; 1.9)
QALYs achievedc 1.85 (0.008) 1.85 (0.011) 0.001 (-0.03; 0.03) 1.86 (0.009) 0.01 (-0.01; 0.04)
  1. a QALY, Quality Adjusted Life Year; b ΔE, mean difference in clinical outcome; c The maximum amount of QALYs that can be achieved in two years is 2.0.