Physical activity in relation to long-term weight maintenance after intentional weight loss in premenopausal women.
Physical activity in relation to long-term weight maintenance after intentional weight loss in premenopausal women.
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DOI：
10.1038/oby.2009.170
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发表时间：
2010-01
期刊：
影响因子：
6.9
通讯作者：
Field, Alison E.
中科院分区：
文献类型：
--
作者：
Mekary, Rania A.;Feskanich, Diane;Hu, Frank B.;Willett, Walter C.;Field, Alison E.
预防体重反弹所需的体力活动的类型和数量尚不清楚。我们前瞻性地研究了 1991 年 4,558 名 26-45 岁健康绝经前女性的自主体力活动模式与 6 年维持有意减肥之间的关系，这些女性在过去两年中体重减轻了 5% 以上。参与者报告了 1991 年和 1997 年的体力活动和体重。结果是体重恢复，定义为 1997 年恢复了 1989 年至 1991 年期间减重的 30% 以上。1991 年至 1997 年期间，80% 的女性恢复了之前有意减重的 30% 以上。 1991年至1997年间，每天增加30分钟的自主活动总量与体重反弹较少相关（−1.36kg，95%置信区间（CI）=−1.61，−1.12），特别是在超重女性（体重指数≥25）中（−2.45kg，−3.12至−1.78）。与增加快走（-1.69公斤；-2.15至-1.22）或其他活动（-1.26公斤；-1.65至-0.87）相比，增加慢跑或跑步与较少的体重恢复（-3.26公斤；-4.41至-2.10）相关。与保持久坐不动的女性相比，如果女性每天保持 30 分钟以上的自主体力活动（OR=0.69、0.53 至 0.89）或增加到该活动水平（OR=0.48、0.39 至 0.60），则恢复体重的可能性较小（OR=0.48、0.39 至 0.60）。相反，减少活动的女性的风险会升高。增加体力活动，特别是高强度活动，与更好地维持减肥效果相关。超重/肥胖女性的活动益处比正常体重女性更大。
The type and amount of physical activity needed for prevention of weight regain are not well understood. We prospectively examined the associations between patterns of discretionary physical activity and 6-year maintenance of intentional weight loss among 4,558 healthy premenopausal women who were 26–45 years old in 1991 and had lost >5% of their body weight in the previous two years. Participants reported their physical activity and weight in 1991 and 1997. The outcome was weight regain, defined as regaining in 1997 >30% of the lost weight between 1989 and 1991. Between 1991 and 1997, 80% of women regained >30% of their previous intentional weight loss. An increase of 30 minutes/day in total discretionary activity between 1991 and 1997 was associated with less weight regain (−1.36kg, 95% confidence interval (CI) = −1.61, −1.12), particularly among overweight women (body mass index ≥25) (−2.45kg, −3.12 to −1.78). Increased jogging or running was associated with less weight regain (−3.26kg; −4.41 to −2.10) than increased brisk walking (−1.69kg; −2.15 to −1.22) or other activities (−1.26kg; −1.65 to −0.87). Compared to women who remained sedentary, women were less likely to regain >30% of the lost weight if they maintained 30+ minutes/day of discretionary physical activity (OR=0.69, 0.53 to 0.89) or increased to this activity level (OR=0.48, 0.39 to 0.60). Conversely, risk was elevated in women who decreased their activity. Increased physical activity, particularly high intensity activities, is associated with better maintenance of weight loss. The benefits of activity were greater among overweight/obese than normal weight women.
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影响因子：
5.9
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