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首页> 外文期刊>Journal of physical activity & health >Physical Activity and Sitting Time From 16 to 24 Weeks of Pregnancy to 12, 24, and 48 Months Postpartum: Findings From the 2015 Pelotas (Brazil) Birth Cohort Study
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Physical Activity and Sitting Time From 16 to 24 Weeks of Pregnancy to 12, 24, and 48 Months Postpartum: Findings From the 2015 Pelotas (Brazil) Birth Cohort Study

机译：妊娠16至24周的身体活动和随身时间从12,24岁和48个月出发：从2015年Pelotas（巴西）出生队列研究中的调查结果

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Background: Physical activity levels decrease during pregnancy, and the time course of return to prepregnancy levels is unclear. This study aimed to describe changes in leisure-time physical activity (LTPA) and sitting time from 16 to 24 weeks of pregnancy to 12, 24, and 48 months postpartum in women with different education levels in Brazil. Methods: Data from 4000 mothers of children enrolled in the 2015 Pelotas (Brazil) Birth Cohort were analyzed. The women were interviewed between 16 and 24 weeks of pregnancy and when their children were aged 12, 24, and 48 months. The LTPA and sitting time were self-reported. Results: Only 15.7% of the women reported any LTPA during pregnancy; this declined to 7.9% at 12 months postpartum; it was 16.8% at 24 months and 23.2% at 48 months. On average, participants spent a mean (SD) of 6.4 (3.9), 4.2 (3.2), 4.3 (3.3), and 4.4 (3.3) hours per day sitting during pregnancy, and at 12, 24, and 48 months after the birth, respectively. Both any LTPA and high sitting (8+ h/d) were consistently higher among women with higher education. Conclusion: After 24 months postpartum, LTPA levels had returned to or exceeded pregnancy levels, but sitting time remained lower than during pregnancy.
机译：背景：孕期体力活动水平下降，恢复到孕前水平的时间过程尚不清楚。这项研究旨在描述巴西不同教育水平的女性从怀孕16至24周到产后12、24和48个月的闲暇时间体力活动（LTPA）和坐姿时间的变化。方法：对2015年佩洛塔斯（巴西）出生队列中4000名儿童母亲的数据进行分析。这些妇女在怀孕16周至24周期间以及在其子女12、24和48个月大时接受采访。LTPA和就坐时间是自我报告的。结果：只有15.7%的女性在怀孕期间报告过LTPA；产后12个月，这一比例降至7.9%；24个月时为16.8%，48个月时为23.2%。在怀孕期间以及出生后12、24和48个月，参与者平均每天坐着的时间分别为6.4（3.9）、4.2（3.2）、4.3（3.3）和4.4（3.3）小时。在受过高等教育的女性中，任何LTPA和高位坐姿（8+h/d）都一直较高。结论：产后24个月，LTPA水平已恢复或超过妊娠水平，但坐姿时间仍低于妊娠期。

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