Cargando…
Adolescents’ sedentary time, affect, and contextual factors: An ecological momentary assessment study
BACKGROUND: Few adolescents achieve sufficient levels of physical activity, and many are spending most of their time in sedentary behavior. Affective response following sedentary time may influence motivation to remain sedentary. Ecological Momentary Assessment (EMA) is a real-time data capture meth...
Autores principales: | , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2021
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8047569/ https://www.ncbi.nlm.nih.gov/pubmed/33858416 http://dx.doi.org/10.1186/s12966-021-01121-y |
_version_ | 1783679068212822016 |
---|---|
author | Kracht, Chelsea L. Beyl, Robbie A. Maher, Jaclyn P. Katzmarzyk, Peter T. Staiano, Amanda E. |
author_facet | Kracht, Chelsea L. Beyl, Robbie A. Maher, Jaclyn P. Katzmarzyk, Peter T. Staiano, Amanda E. |
author_sort | Kracht, Chelsea L. |
collection | PubMed |
description | BACKGROUND: Few adolescents achieve sufficient levels of physical activity, and many are spending most of their time in sedentary behavior. Affective response following sedentary time may influence motivation to remain sedentary. Ecological Momentary Assessment (EMA) is a real-time data capture methodology that can be used to identify factors influencing sedentary time, such as the context of the home setting, and resulting affective state within a free-living setting. The purpose of this study was to evaluate the relationship between context at home and adolescent sedentary time, and the relationship of sedentary time and subsequent affect. METHODS: Adolescents (n = 284; 10–16 y) participated in an EMA study that used random, interval-based sampling methods. Adolescents each received 22 unannounced surveys over 7-days through a smartphone application. One survey was randomly sent within each 2-h time-period. These time-periods occurred between 4:00 pm-8:00 pm on weekdays and 8:00 am-8:00 pm on the weekend. This 15-question survey included a series of questions on context (indoors/outdoors, alone/not alone) and positive affect. Adolescents concurrently wore an accelerometer at the hip, and the 30-min bout of accelerometry data prior to each survey was used in analyses. Mixed-effect location scale models were used to examine the association between context at home and sedentary time (stage 1) and the adjusted sedentary time and positive affect (stage 2), with each model adjusted for covariates. RESULTS: Adolescents were 12.6 ± 1.9 y of age on average, about half were White (58%), and engaged in high levels of sedentary behavior during the 30 min prior to the survey (21.4 ± 6.8 min). Most surveys occurred when adolescents were with others (59%) and indoors (88%). In Stage 1, both being alone and being indoors at home were positively associated with sedentary time (p < 0.001 for both). In Stage 2, adjusted sedentary time was not related to positive affect. Age was negatively related to positive affect (p < 0.001). CONCLUSIONS: Both contextual factors, being alone and indoors at home, were related to additional time spent sedentary compared to being with someone or outdoors. After adjustment, sedentary time was not related to subsequent positive affect, indicating other factors may be related to adolescent’s positive affect in home settings. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s12966-021-01121-y. |
format | Online Article Text |
id | pubmed-8047569 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | BioMed Central |
record_format | MEDLINE/PubMed |
spelling | pubmed-80475692021-04-15 Adolescents’ sedentary time, affect, and contextual factors: An ecological momentary assessment study Kracht, Chelsea L. Beyl, Robbie A. Maher, Jaclyn P. Katzmarzyk, Peter T. Staiano, Amanda E. Int J Behav Nutr Phys Act Research BACKGROUND: Few adolescents achieve sufficient levels of physical activity, and many are spending most of their time in sedentary behavior. Affective response following sedentary time may influence motivation to remain sedentary. Ecological Momentary Assessment (EMA) is a real-time data capture methodology that can be used to identify factors influencing sedentary time, such as the context of the home setting, and resulting affective state within a free-living setting. The purpose of this study was to evaluate the relationship between context at home and adolescent sedentary time, and the relationship of sedentary time and subsequent affect. METHODS: Adolescents (n = 284; 10–16 y) participated in an EMA study that used random, interval-based sampling methods. Adolescents each received 22 unannounced surveys over 7-days through a smartphone application. One survey was randomly sent within each 2-h time-period. These time-periods occurred between 4:00 pm-8:00 pm on weekdays and 8:00 am-8:00 pm on the weekend. This 15-question survey included a series of questions on context (indoors/outdoors, alone/not alone) and positive affect. Adolescents concurrently wore an accelerometer at the hip, and the 30-min bout of accelerometry data prior to each survey was used in analyses. Mixed-effect location scale models were used to examine the association between context at home and sedentary time (stage 1) and the adjusted sedentary time and positive affect (stage 2), with each model adjusted for covariates. RESULTS: Adolescents were 12.6 ± 1.9 y of age on average, about half were White (58%), and engaged in high levels of sedentary behavior during the 30 min prior to the survey (21.4 ± 6.8 min). Most surveys occurred when adolescents were with others (59%) and indoors (88%). In Stage 1, both being alone and being indoors at home were positively associated with sedentary time (p < 0.001 for both). In Stage 2, adjusted sedentary time was not related to positive affect. Age was negatively related to positive affect (p < 0.001). CONCLUSIONS: Both contextual factors, being alone and indoors at home, were related to additional time spent sedentary compared to being with someone or outdoors. After adjustment, sedentary time was not related to subsequent positive affect, indicating other factors may be related to adolescent’s positive affect in home settings. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s12966-021-01121-y. BioMed Central 2021-04-15 /pmc/articles/PMC8047569/ /pubmed/33858416 http://dx.doi.org/10.1186/s12966-021-01121-y Text en © The Author(s) 2021 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/ (https://creativecommons.org/publicdomain/zero/1.0/) ) applies to the data made available in this article, unless otherwise stated in a credit line to the data. |
spellingShingle | Research Kracht, Chelsea L. Beyl, Robbie A. Maher, Jaclyn P. Katzmarzyk, Peter T. Staiano, Amanda E. Adolescents’ sedentary time, affect, and contextual factors: An ecological momentary assessment study |
title | Adolescents’ sedentary time, affect, and contextual factors: An ecological momentary assessment study |
title_full | Adolescents’ sedentary time, affect, and contextual factors: An ecological momentary assessment study |
title_fullStr | Adolescents’ sedentary time, affect, and contextual factors: An ecological momentary assessment study |
title_full_unstemmed | Adolescents’ sedentary time, affect, and contextual factors: An ecological momentary assessment study |
title_short | Adolescents’ sedentary time, affect, and contextual factors: An ecological momentary assessment study |
title_sort | adolescents’ sedentary time, affect, and contextual factors: an ecological momentary assessment study |
topic | Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8047569/ https://www.ncbi.nlm.nih.gov/pubmed/33858416 http://dx.doi.org/10.1186/s12966-021-01121-y |
work_keys_str_mv | AT krachtchelseal adolescentssedentarytimeaffectandcontextualfactorsanecologicalmomentaryassessmentstudy AT beylrobbiea adolescentssedentarytimeaffectandcontextualfactorsanecologicalmomentaryassessmentstudy AT maherjaclynp adolescentssedentarytimeaffectandcontextualfactorsanecologicalmomentaryassessmentstudy AT katzmarzykpetert adolescentssedentarytimeaffectandcontextualfactorsanecologicalmomentaryassessmentstudy AT staianoamandae adolescentssedentarytimeaffectandcontextualfactorsanecologicalmomentaryassessmentstudy |