Time-segmented Physical Activity Patterns of Brazilian Adolescents: Within- and Between-day Variability

IF 1.7 4区教育学 Q2 EDUCATION & EDUCATIONAL RESEARCH

Measurement in Physical Education and Exercise Science Pub Date : 2022-07-25 DOI:10.1080/1091367X.2022.2102924

M. Lopes, Bruno G. G. da Costa, L. Malheiros, H. Carvalho, I. Crochemore-Silva, K. Silva

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引用次数: 1

Abstract

ABSTRACT This study examined the within- and between-day variability of time-segmented sedentary behavior (SB), light physical activity (LPA), and moderate-to-vigorous physical activity (MVPA) in adolescents. The sample comprised 154 adolescents (11–16 years old) from two public schools in Florianópolis, Brazil. The proportion of time spent in SB, LPA, and MVPA was measured using Actigraph GT3X+ accelerometers for the following weekday time segments: before school (07:00–07:59), school time (08:00–11:59), after school (12:00–12:59), afternoons (13:00–17:59), and evenings (18:00–23:00). Participants were more active during commuting-related time segments. Females showed lower MVPA than males during school time, afternoons, and evenings, but not before school and after school. Higher age was associated with higher SB and lower LPA during school time, afternoons, and evenings, and slightly lower MVPA during afternoons. The variability of SB, LPA, and MVPA for all time segments was mainly explained by within-participant day-to-day variations rather than between-participant differences of daily-averaged estimates.

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巴西青少年的时间分段体育活动模式：日内和日间的变异性

摘要:本研究探讨了青少年的分段久坐行为(SB)、轻度身体活动(LPA)和中度至剧烈身体活动(MVPA)在一天内和一天之间的可变性。样本包括来自巴西Florianópolis两所公立学校的154名青少年(11-16岁)。使用Actigraph GT3X+加速度计测量SB、LPA和MVPA在以下工作日时间段的时间比例:上学前(07:00-07:59)、上学时间(08:00-11:59)、放学后(12:00-12:59)、下午(13:00-17:59)和晚上(18:00-23:00)。参与者在与通勤相关的时间段更活跃。在上学时间、下午和晚上，女性的MVPA低于男性，但在上学前和放学后则没有。年龄越大，上学时间、下午和晚上的SB值越高，LPA值越低，下午的MVPA值越低。SB、LPA和MVPA在所有时间段的变异性主要是由参与者内部的日平均变化而不是参与者之间的日平均估计差异来解释的。

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来源期刊

Measurement in Physical Education and Exercise Science Medicine-Orthopedics and Sports Medicine

CiteScore

4.20

自引率

33.30%

发文量

期刊介绍： The scope of Measurement in Physical Education and Exercise Science (MPEES) covers original measurement research, special issues, and tutorials within six substantive disciplines of physical education and exercise science. Six of the seven sections of MPEES define the substantive disciplines within the purview of the original research to be published in the journal: Exercise Science, Physical Activity, Physical Education Pedagogy, Psychology, Research Methodology and Statistics, and Sport Management and Administration. The seventh section of MPEES, Tutorial and Teacher’s Toolbox, serves to provide an outlet for review and/or didactic manuscripts to be published in the journal. Special issues provide an avenue for a coherent set of manuscripts (e.g., four to five) to collectively focus in-depth on an important and timely measurement-related issue within the scope of MPEES. The primary aim of MPEES is to publish high-impact manuscripts, most of which will focus on original research, that fit within the scope of the journal.