在中国社区居住的老年妇女中，更快或更多的步行与更好的身体健康有关：一项横断面研究

IF 2.4 3区医学 Q3 NEUROSCIENCES

Gait & posture Pub Date : 2025-08-05 DOI:10.1016/j.gaitpost.2025.07.330

Qiang He , Qingxu Wu , Shuang Wu , Xianliang Zhang , Si Chen , Yang Pan

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引用次数: 0

摘要

目的探讨中国社区老年妇女每日步数、步数强度与体质（PF）的关系。方法横断面数据来源于老年妇女体力活动与健康研究的基线调查。使用wGT3X-BT加速度计客观测量参与者的每日步数和强度。PF水平通过国家体质测试（老年部分）测定。为了评估步数和强度与PF的关系，进行了逻辑回归分析。此外，采用受试者工作特征（ROC）曲线分析确定步数和强度的最佳截止值，以区分高PF水平。结果共纳入1122例患者，平均年龄64.9 ± 2.8岁。Logistic回归结果显示，每天增加1000步/天的偶然步数、有目的步数和中等强度步数，以及峰值步数增加10步/分钟（定义为峰值步数在1/5/10/30/60 min以上的最高平均步数），与较高的PF水平显著相关（P <； 0.05）。ROC分析结果显示，每日总步数、偶然步数、目的步数和中等强度步数的AUC值分别为0.62、0.60、0.60和0.67。此外，区分高、低PF的最佳截断值分别为6882、3596、4395、1537步/天。Peak-1、Peak-5、Peak-10、Peak-30和Peak-60的AUC分别为0.61、0.62、0.62、0.61和0.61。曲线下的面积都大于或等于0.60。此外，区分高、低PF的最佳截止值分别为116步/min、108步/min、101步/min、82步/min和67步/min。结论较高的步数强度和步数积累与老年妇女较好的身体素质有关。

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Walking faster or more is associated with better physical fitness among community-dwelling older Chinese women: A cross-sectional study

Objective

The aim of this study is to examine the association between the daily steps, step intensity and physical fitness (PF) of community-dwelling older Chinese women.

Methods

Cross-sectional data were derived from baseline survey of the Physical Activity and Health in Older Women Study. Participants' daily steps and intensity were objectively measured using wGT3X-BT accelerometers. PF levels was determined through the National Physical Fitness Test (Elderly Section). To evaluate the associations of step counts and intensity with PF, logistic regression analyses were performed. Furthermore, receiver operating characteristic (ROC) curve analysis was employed to determine the optimal cut-off values of step counts and intensity for discriminating high PF levels.

Results

A total of 1122 participants were included in this study with a mean age of 64.9 ± 2.8 years. Logistic regression results showed that an increase of 1000 steps/day in incidental, purposeful, and moderate-vigorous steps, and an increase of 10 steps/min in peak cadence (defined as the highest average step rate over 1/5/10/30/60 min for Peak-1/5/10/30/60, respectively), were significantly associated with higher PF levels (P < 0.05). ROC analysis results showed that the AUC values for total daily steps, incidental steps, purposeful steps, and moderate-vigorous intensity steps are 0.62, 0.60, 0.60, and 0.67, respectively. In addition, the corresponding optimal cut-off values for distinguishing between high and low PF are 6882 steps/day, 3596 steps/day, 4395 steps/day, and 1537 steps/day, respectively. The AUC values for Peak-1, Peak-5, Peak-10, Peak-30, and Peak-60 are 0.61, 0.62, 0.62, 0.61 and 0.61, respectively. The areas under the curves are all greater than or equal to 0.60. In addition, the corresponding optimal cut-off values for distinguishing high vs. low PF are 116 steps/min, 108 steps/min, 101 steps/min, 82 steps/min, and 67 steps/min, respectively.

Conclusions

Both higher step intensity and greater step accumulation were associated with better physical fitness in older women.

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来源期刊

Gait & posture 医学-神经科学

CiteScore

4.70

自引率

12.50%

发文量

616

审稿时长

6 months

期刊介绍： Gait & Posture is a vehicle for the publication of up-to-date basic and clinical research on all aspects of locomotion and balance. The topics covered include: Techniques for the measurement of gait and posture, and the standardization of results presentation; Studies of normal and pathological gait; Treatment of gait and postural abnormalities; Biomechanical and theoretical approaches to gait and posture; Mathematical models of joint and muscle mechanics; Neurological and musculoskeletal function in gait and posture; The evolution of upright posture and bipedal locomotion; Adaptations of carrying loads, walking on uneven surfaces, climbing stairs etc; spinal biomechanics only if they are directly related to gait and/or posture and are of general interest to our readers; The effect of aging and development on gait and posture; Psychological and cultural aspects of gait; Patient education.