Dataset Information

Sedentary behavior and physical activity predicting depressive symptoms in adolescents beyond attributes of health-related physical fitness.

ABSTRACT:

Background

Sedentary behavior (SB), physical activity (PA), and attributes of physical fitness have been shown to be related to depressive symptoms in adolescents. The purpose of the present study was to investigate whether SB and fitness-producing activity predicted depression in active adolescents over and above gender and fitness attributes.

Methods

Participants were 249 adolescents (age: 12.85 ± 0.89 years, mean ± SD) from 3 public middle schools who wore Actical accelerometers to assess their SB and PA. Participants also completed the FITNESSGRAM health-related fitness assessment and a brief depression questionnaire. A 3-step hierarchical regression analysis was conducted with gender and fitness attributes (i.e., body mass index (BMI), maximal volume oxygen uptake (VO_2max), curlups, and pushups), moderate- and vigorous-intensity activity, and SB entered in respective steps.

Results

Regression analysis indicated activity variables (i.e., moderate- and vigorous-intensity activity) significantly predicted depression (ΔR ² = 0.12, p < 0.01) beyond gender and fitness attributes. Overall, gender, fitness attributes, activity variables, SB explained 31% of the variance in depression. Structure coefficients revealed VO_2max (r _s = -0.77), moderate-intensity activity (r _s = -0.67), vigorous-intensity activity (r _s = -0.81), and SB (r _s = 0.57) were substantially correlated with the criterion variable; thus, they were the strongest predictors of depression.

Conclusion

The findings of the current study indicated SB and PA were both significant predictors of depression; however, sufficient fitness-producing activity and adequate cardiorespiratory fitness may nullify the negative influence of SB on depressive symptoms in active adolescents.

SUBMITTER: Farren GL

PROVIDER: S-EPMC6226422 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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Publications

Sedentary behavior and physical activity predicting depressive symptoms in adolescents beyond attributes of health-related physical fitness.

Farren Gene L GL Zhang Tao T Gu Xiangli X Thomas Katherine T KT

Journal of sport and health science 20170322 4

<h4>Background</h4>Sedentary behavior (SB), physical activity (PA), and attributes of physical fitness have been shown to be related to depressive symptoms in adolescents. The purpose of the present study was to investigate whether SB and fitness-producing activity predicted depression in active adolescents over and above gender and fitness attributes.<h4>Methods</h4>Participants were 249 adolescents (age: 12.85 ± 0.89 years, mean ± SD) from 3 public middle schools who wore Actical accelerometer ...[more]

PMID: 30450259

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Project description:BackgroundMetabolic syndrome (MetS) has been diagnosed in adolescents and among the associated factors are low levels of physical activity, sedentary behavior over long periods and low cardiorespiratory fitness. However, specifically in adolescents, studies present conflicting results. The aim of the present study was to conduct a systematic review and meta-analysis of observational studies, in order to map the association between physical activity, sedentary behavior, cardiorespiratory fitness and MetS in adolescents.MethodsA search was performed in the databases PubMed, SPORTDiscus, LILACS and the Cochrane Library. For the meta-analysis, the odds ratio (OR) was calculated together with the respective confidence intervals (95% CI), in which the measures of effect were analyzed by dichotomous data (exposure variables) with MetS used as events.ResultsEighteen studies were included in the meta-analysis. Primary analysis demonstrated that low levels of physical activity (OR = 1.35 [1.03 to 1.79]; p = 0.03) and low cardiorespiratory fitness (OR = 4.05 [2.09 to 7.87]; p < 0.01) were significantly associated with the development of MetS, while for sedentary behavior, represented by screen time > 2 hours/day, a significant association was not identified (OR = 1.20 [0.91 to 1.59]; p = 0.20). Subgroup analyses demonstrated that the association between low physical activity and MetS was dependent on the use of the accelerometry technique (OR = 2.93 [1.56 to 5.47]; p < 0.01). Screen time > 2 hours/day was significantly associated with MetS only on weekends (OR = 2.05 [1.13 to 3.73]; p = 0.02). With respect to cardiorespiratory fitness, a significant association with MetS was found independent of the maximal oxygen uptake (VO2max) measurement method.ConclusionsLow levels of physical activity, low indices of cardiorespiratory fitness and sedentary behavior, represented by screen time > 2 hours/day on weekends, were significantly associated with the development of MetS in adolescence.

Dataset Information

Sedentary behavior and physical activity predicting depressive symptoms in adolescents beyond attributes of health-related physical fitness.

Background

Methods

Results

Conclusion

Publications

Sedentary behavior and physical activity predicting depressive symptoms in adolescents beyond attributes of health-related physical fitness.

Similar Datasets

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