The contributions of weight loss and increased physical fitness to improvements in health-related quality of life.
The contributions of weight loss and increased physical fitness to improvements in health-related quality of life.
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DOI：
10.1016/j.eatbeh.2008.12.002
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发表时间：
2009-04
期刊：
影响因子：
2.8
通讯作者：
Perri, Michael G.
中科院分区：
文献类型：
--
作者：
Ross, Kathryn M.;Milsom, Vanessa A.;Rickel, Katie A.;DeBraganza, Ninoska;Gibbons, Lauren M.;Murawski, Mary E.;Perri, Michael G.
肥胖与健康不良对不良健康结果和生活质量下降的相对贡献仍然是一个有争议的领域。事实上，一些研究人员认为，与超重相比，心肺功能不佳对健康和与健康相关的生活质量的威胁更大。我们通过为298名50-75岁的肥胖女性提供为期6个月的生活方式干预来解决这个问题，该生活方式干预包括低热量饮食模式和有氧运动计划，包括每天30分钟的快走。结果显示，体重减轻对医学结局研究简表（SF-36）评估的9个生活质量领域中的7个领域的改善具有显著的个体贡献。然而，除了身体功能外，身体健康并没有显著促进减肥效果以外的改善。此外，体重减轻是身体健康增加与总体健康状况改善，活力和健康状况相对于前一年的变化之间关系的完全中介。总的来说，这些研究结果表明，对于寻求治疗的肥胖个体来说，减肥而不是增加健身显著改善了与健康相关的生活质量。
The relative contribution of obesity versus poor fitness to adverse health outcomes and diminished quality of life remains an area of controversy. Indeed, some researchers contend that poor cardiorespiratory fitness represents a greater threat to health and health-related quality of life than excess body weight. We addressed this issue by providing 298 obese 50–75 year-old women with a six-month lifestyle intervention that incorporated a low-calorie eating pattern coupled with an aerobic exercise program consisting of 30 min/day of brisk walking. The results showed that weight loss exhibited a significant individual contribution to improvements in seven of the nine domains of quality of life assessed by the Medical Outcomes Study Short Form (SF-36). With the exception of physical functioning, however, physical fitness did not significantly contribute to improvements beyond the effects weight loss. Moreover, weight loss functioned as a full mediator of the association between increases in physical fitness and improvements in general health, vitality, and change in health relative to the previous year. Collectively, these findings suggest that for treatment-seeking obese individuals, weight loss rather than increased fitness contributes significantly to improvements in health-realted quality of life.
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