Differences in physical activity, sedentary time, and anthropometric variables among children and adolescents: The TUBON project.

Necip Demirci, Ayda Karaca, Emine Çağlar, Pelin Aksen, Nigar Küçükkubaş, Mehmet Mesut Çelebi, Erdem Karabulut, Gıyasettin Demirhan, Sadettin Kirazcı, Elif Nursel Özmert
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Abstract

Background: Although physical inactivity may lead to increasing obesity prevalence, research on anthropometric variables changes based on physical activity (PA) in children and adolescents is limited. PA decreases with age, while sedentary behavior increases. The study aimed to examine differences in objectively measured sedentary time, light-intensity physical activity (LPA), and moderate-to-vigorous intensity physical activity (MVPA) between children and adolescents, and the differences in the percentiles of anthropometric variables between physically active and inactive groups according to World Health Organization PA recommendations.

Methods: A total of 759 participants aged 6-17 years (boys, n=358; girls, n=401) were included in the study. The ActiGraph wGT3x-BT accelerometer was used to measure sedentary time, LPA, and MVPA. Height, weight, waist circumference (WC), triceps skinfold thickness (T-SFT), and medial-calf skinfold thickness (M-SFT) were measured. Body fat percentage (BF%) and body mass index (BMI) were calculated, and the percentiles of anthropometric variables were categorized.

Results: The findings showed that children had less sedentary time and a higher LPA than adolescents for both genders (p<0.05). Children had a higher MVPA than adolescents in girls (p<0.05), but the difference was insignificant in boys (p>0.05). In boys, physically active children were in lower percentiles for T-SFT and BF% than those who did not (p<0.05). In boys, adolescents who were physically inactive were in higher percentiles for BMI, T-SFT, M-SFT, and BF% (p<0.05). In addition, in girls, adolescents who were physically active were in lower percentiles of BMI, M-SFT, and BF%, whereas children who were physically active were in lower percentiles of M-SFT and BF% (p<0.05).

Conclusion: Sedentary time increases while PA decreases with age. Children and adolescents who met the WHO PA recommendation had lower percentiles of anthropometric variables, indicating the importance of PA in preventing obesity in these age groups.

儿童和青少年在体育活动、久坐时间和人体测量变量方面的差异:TUBON 项目。
背景:虽然缺乏运动可能会导致肥胖症发病率上升,但基于儿童和青少年体力活动(PA)的人体测量变量变化的研究却很有限。体力活动会随着年龄的增长而减少,而久坐则会增加。该研究旨在根据世界卫生组织的体力活动建议,研究儿童和青少年在客观测量的久坐时间、轻强度体力活动(LPA)和中到高强度体力活动(MVPA)方面的差异,以及体力活动组和非体力活动组之间人体测量变量百分位数的差异:研究共纳入 759 名 6-17 岁的参与者(男孩,358 人;女孩,401 人)。研究使用 ActiGraph wGT3x-BT 加速计测量久坐时间、LPA 和 MVPA。对身高、体重、腰围(WC)、肱三头肌皮褶厚度(T-SFT)和小腿内侧皮褶厚度(M-SFT)进行了测量。计算体脂率(BF%)和体重指数(BMI),并对人体测量变量的百分位数进行分类:结果:研究结果表明,与青少年相比,男女儿童的久坐时间更少,LPA更高(P0.05)。在男孩中,参加体育锻炼的儿童的 T-SFT 和 BF% 百分位数低于不参加体育锻炼的儿童(p 结论:随着年龄的增长,久坐时间会增加,而体力活动会减少。符合世界卫生组织体育锻炼建议的儿童和青少年的人体测量变量百分位数较低,这表明体育锻炼对预防这些年龄组的肥胖非常重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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