Table 7: Average scores on the overall quality of life at the end of the program and after 3 and 5 years after start of the program (score range: 0–5; the higher the score the higher quality of life).

Successful1Not successful1 Test statistics2
Mean (SD)Median Mean (SD)Median

At end of 1-year program3423.74 (0.70)
3.902463.29 (0.72) 3.36 = 26,682.50
= −7.58
< 0.001
36-month follow-up (3YFU)2033.78 (0.66)3.913873.31 (0.74)3.36 = 25,146.00
= −7.19
< 0.001
60-month follow-up (5YFU)1273.76 (0.68)3.814593.27 (0.78)3.27 = 17,860.00
= −6.69
< 0.001

“successful” means BMI-SDS reduction 0.2; “not successful” means BMI-SDS reduction < 0.2.
2Test statistics calculated by Mann-Whitney -test, compared group “successful” with group “not successful.”
Mdn: median.
3YFU: 3-year follow-up (36 month/3 years after baseline).
5YFU: 5-year follow-up (60 month/5 years after baseline).