Bidirectional 10-y Associations of Accelerometer-measured Sedentary Behavior and Activity Categories with Weight among Middle-aged Adults
Bidirectional 10-y Associations of Accelerometer-measured Sedentary Behavior and Activity Categories with Weight among Middle-aged Adults
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加速度计测量的中年成年人久坐行为和活动类别与体重的双向 10 年关联
DOI：
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发表时间：
2019
影响因子：
4.9
通讯作者：
K. Gabriel
中科院分区：
文献类型：
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作者：
B. Gibbs;D. Aaby;J. Siddique;J. Reis;B. Sternfeld;K. Whitaker;K. Gabriel
虽然低强度（LPA）和中等至剧烈强度体力活动（MVPA）的久坐行为（SB）被认为会增加肥胖的风险，但其他数据表明，超重可能在因果通路中先于这些行为。我们的目的是调查SB和活动与体重之间的10年双向关联。分析包括886名CARDIA参与者（年龄38 - 50岁，62%女性，38%黑人），他们的体重和加速度测量（≥ 4天，≥ 10小时/天）是在2005 - 6（ActiGraph 7164）和2015 - 6（ActiGraph wGT3X-BT）收集的。对加速度计数据进行校准、协调，并表示为每分钟计数（cpm）和时间依赖性强度类别（SB、LPA和MVPA的分钟/天; SB和MVPA也分为长回合和短回合类别）。构建线性回归模型，以估计基线活动与10年体重变化的校正相关性，反之亦然。当活动类别为自变量时，标准化回归系数（β std.）在其他类别中用一个SD增加替换SB的估计关联，针对加速度计佩戴时间进行调整。10年来，体重平均增加2.55 ± 8.05 kg，平均总活动减少50 ± 153 cpm。在校正模型中，基线平均总活动（β标准值= − 1.4 kg，p <0.001）、LPA（β标准值= − 0.80 kg，p = 0.013）、总MVPA（β标准值= − 1.07 kg，p = 0.001）和长时间MVPA（β标准值= − 1.20 kg，p <0.001）增加一个SD与10年体重增加减弱相关。相反，基线体重增加一个SD与日常活动特征的10年不利变化相关，包括SB增加。（β标准值= 12.0 min，p <0.001）和平均总活性降低（β标准值= 14.9 cpm，p = 0.004）、LPA（β标准值= 8.9，p = 0.002）和MVPA（β标准值= 3.5 min，p = 0.001）。协会因种族和性别而异。高SB与低活动和体重呈双向相关。同时用LPA和长回合MVPA取代SB，同时使用其他方法来解决超重的干预措施可能是最佳的。
Although higher sedentary behavior (SB) with low light intensity (LPA) and moderate-to-vigorous intensity physical activity (MVPA) are thought to increase risk for obesity, other data suggest excess weight may precede these behaviors in the causal pathway. We aimed to investigate 10-year bidirectional associations between SB and activity with weight. Analysis included 886 CARDIA participants (aged 38–50 years, 62% female, 38% black) with weight and accelerometry ( ≥ 4 days with ≥ 10 h/day) collected in 2005–6 (ActiGraph 7164) and 2015–6 (ActiGraph wGT3X-BT). Accelerometer data were calibrated, harmonized, and expressed as counts per minute (cpm) and time-dependent intensity categories (min/day of SB, LPA, and MVPA; SB and MVPA were also separated into long-bout and short-bout categories). Linear regression models were constructed to estimate adjusted associations of baseline activity with 10-year change in weight and vice versa. When activity categories were the independent variables, standardized regression coefficients (βstd.) estimated associations of replacing SB with a one SD increase in other categories, adjusted for accelerometer wear time. Over 10-years, weight increased by a mean 2.55 ± 8.05 kg and mean total activity decreased by 50 ± 153 cpm. In adjusted models, one SD higher baseline mean total activity (βstd. = −1.4 kg, p < 0.001), LPA (βstd. = −0.80 kg, p = 0.013), total MVPA (βstd. = −1.07 kg, p = 0.001), and long-bout MVPA (βstd. = −1.20 kg, p < 0.001) were associated with attenuated 10-year weight gain. Conversely, a one SD higher baseline weight was associated with unfavorable 10-year changes in daily activity profile including increases in SB (βstd. = 12.0 min, p < 0.001) and decreases in mean total activity (βstd. = 14.9 cpm, p = 0.004), LPA (βstd. = 8.9, p = 0.002), and MVPA (βstd. = 3.5 min, p = 0.001). Associations varied by race and gender. Higher SB with lower activity and body weight were bidirectionally related. Interventions that work simultaneously to replace SB with LPA and long-bout MVPA while also using other methods to address excess weight may be optimal.
影响因子：
5.5
作者：
Barone Gibbs B;Pettee Gabriel K;Carnethon MR;Gary-Webb T;Jakicic JM;Rana JS;Reis JP;Siddique J;Sternfeld B;Lewis CE
通讯作者：
Lewis CE
影响因子：
7.2
作者：
FRIEDMAN, GD;CUTTER, GR;SAVAGE, PJ
通讯作者：
SAVAGE, PJ