Variability in Weight Change Early in Behavioral Weight Loss Treatment: Theoretical and Clinical Implications.
Variability in Weight Change Early in Behavioral Weight Loss Treatment: Theoretical and Clinical Implications.
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DOI：
10.1002/oby.21925
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发表时间：
2017-09
期刊：
影响因子：
--
通讯作者：
Lowe MR
中科院分区：
文献类型：
--
作者：
Feig EH;Lowe MR
减肥治疗早期的反应预测长期的体重变化。独立于绝对早期体重变化的体重变异性也可能与长期结局有关。这项研究检查了治疗早期的体重变化是否预示着后来的体重减轻和维持。参与者是183名完成为期一年的行为减肥计划的人（M年龄= 51，81%女性，69%白色，M体重指数= 35 kg/m2）。使用前6周和12周每周一次治疗的体重计算体重变异性。多重线性回归检验了体重变异性是否预测了6个月、12个月和24个月后的体重变化。6周和12周的体重变异性预测了12个月（6周：β = 0.18，p = 0.02; 12周：β = 0.33，p < 0.01）和24个月（6周：β = 0.17，p = 0.03; 12周：β = 0.15，p = 0.05）的后续体重减轻较少。调整协变量后的关系。与女性相比，男性体重变异性与6个月体重变化的相关性更强（β = 0.27，p = 0.01）。在减肥计划的早期，体重变异性的升高预示着不良的长期结果，这可能反映了不一致的体重控制行为。跟踪体重变异性可能有助于改善治疗结果。
Response early in weight loss treatment predicts long-term weight change. Weight variability, independent of absolute early weight change, may also relate to long-term outcomes. This study examined whether weight variability early in treatment predicted later weight loss and maintenance. Participants were 183 completers of a yearlong behavioral weight loss program (M age = 51, 81% female, 69% white, M body mass index = 35 kg/m2). Weight variability was calculated using weights from the first 6 and 12 weekly treatment sessions. Multiple linear regressions examined whether weight variability predicted subsequent weight change 6, 12, and 24 months later. Weight variability over 6 and 12 weeks predicted less subsequent weight loss at 12 (6-week: β = 0.18, p = 0.02; 12-week: β = 0.33, p < 0.01) and 24 (6-week: β = 0.17, p = 0.03; 12-week: β = 0.15, p = 0.05) months. Relationships held adjusting for covariates. Weight variability was more strongly associated with 6-month weight change in men than women (β = 0.27, p = 0.01). Elevated weight variability early in a weight loss program predicted poor long-term outcomes, possibly reflecting inconsistent weight control behaviors. Tracking weight variability could prove useful for improving treatment outcome.
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