Childhood Obesity, Weight Loss and Long Term Development in Quality-of-Life: A Longitudinal Follow-Up Study.

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Abstract Background To evaluate long-term effects of a multifactorial lifestyle intervention on measures of quality-of-life (QoL) in children with obesity. Methods One hundred and twenty children age 4-17 years with a BMI standard deviation score (BMI-SDS) >2 participated in a multifactorial lifestyle intervention. QoL and wellbeing were measured by a 6-item Visual Analogue Scale (VAS) throughout the intervention.Results Follow-up time was 26.4 months (13.9 SD). VAS scores decreased on bullying (0.6 vs. 0.0 median) and in motivation (10.0 vs. 9.6). QoL increased in children with a BMI-SDS reduction (0.65 (2.49 SD)) opposite children with no-change or increasing BMI-SDS who reported reduced QoL (-0.36 (1.55 SD) and -0.96 (2.27 SD)). Boys experienced reduced appetite (6.7 (2.3 SD) to 5.7 (2.6 SD)), bullying (median 0.4 vs. 0.0) and motivation (median 10.0 vs. 8.9), while girls experienced reduction in bullying (median 0.6 vs. 0.0) and an enhancement in Joy of Life compared to boys (0.73 (2.10 SD) vs. -0.04 (2.08 SD)).Conclusion Multifactorial lifestyle intervention for children with obesity induces long-term BMI-SDS reduction for the majority, and exerts significant reduction in bullying and improves QoL if weight loss is obtained and maintained.

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