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Katie E. Gunnell, Jennifer Brunet, Catherine Sabiston and Mathieu Bélanger

Despite research attention toward understanding relationships between psychological need satisfaction (PNS), moderate-to-vigorous-intensity physical activity (MVPA), and health-related quality of life (HRQoL), methodological limitations make it difficult to establish reciprocal and mediating effects. Reciprocal relationships between PNS and MVPA were examined over 4 years, and their effects on adolescents’ change in dimensions of HRQoL were examined. Self-reported data were collected from 932 adolescents (M age = 10.9 years) every 4 months beginning in Grades 5/6. At the between-persons and within-person level, earlier PNS predicted later MVPA whereas earlier MVPA did not predict later PNS. Increases in MVPA were associated with greater change in physical (βlinear = .61, βquadratic = .77, ps = .03) and school functioning (βlinear = .68, βquadratic = .84, ps = .03) but no other dimensions of HRQoL (p > .05). Decreases in PNS were not associated with any of the dimensions of HRQoL. Fostering adolescents’ PNS could be a starting point to increase MVPA, which, in turn, may enhance select dimensions of HRQoL.

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Katie E. Gunnell, Jennifer Brunet, Erin K. Wing and Mathieu Bélanger


Perceived barriers to moderate-to-vigorous physical activity (PA) may contribute to the low rates of moderate-to-vigorous PA in adolescents. We examined the psychometric properties of scores from the perceived barriers to moderate-to-vigorous PA scale (PB-MVPA) by examining composite reliability and validity evidence based on the internal structure of the PB-MVPA and relations with other variables.


This study was a cross-sectional analysis of data collected in 2013 from adolescents (N = 507; M age = 12.40, SD = .62) via self-report scales.


Using exploratory and confirmatory factor analyses, we found that perceived barriers were best represented as two factors representing internal (e.g., “I am not interested in physical activity”) and external (e.g., “I need equipment I don’t have”) dimensions. Composite reliability was over .80. Using multiple regression to examine the relationship between perceived barriers and moderate-to-vigorous PA, we found that perceived internal barriers were inversely related to moderate-to-vigorous PA (β = -.32, p < .05). Based on results of the analysis of variances, there were no known-group sex differences for perceived internal and external barriers (p < .26).


The PB-MVPA scale demonstrated evidence of score reliability and validity. To improve the understanding of the impact of perceived barriers on moderate-to-vigorous PA in adolescents, researchers should examine internal and external barriers separately.

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Jennifer Brunet, Katie E. Gunnell, Pedro Teixeira, Catherine M. Sabiston and Mathieu Bélanger

The objectives of this study were to examine whether (a) measures designed to assess satisfaction of competence, autonomy, and relatedness needs in physical activity contexts can represent both general and specific needs satisfaction and (b) the specific needs are associated with concurrent moderate-to-vigorous-intensity physical activity (MVPA) participation (Time 1) and MVPA participation 4 months later (Time 2), beyond general psychological need satisfaction (PNS). Data from 544 adolescents (M age = 14.1 years, SD = 0.6) were analyzed. A bifactor model specifying four factors (i.e., one general PNS and three specific needs) provided a good fit to the data. Extending the model to predict Time 1 and Time 2 MVPA participation also provided a good fit to the data. General PNS and specific needs had unique and empirically distinguishable associations with MVPA participation. The bifactor operationalization of PNS provides a framework to delineate common and distinctive antecedents and outcomes of general PNS and specific needs.

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Catherine M. Sabiston, Rachel Jewett, Garcia Ashdown-Franks, Mathieu Belanger, Jennifer Brunet, Erin O’Loughlin and Jennifer O’Loughlin

The purpose of this study was to examine the longitudinal and unique association between number of years of team sport and individual sport participation during adolescence and depressive symptoms during early adulthood. Adolescents (n = 860) reported team sport and individual sport participation in each year of secondary school for five years. Participants reported depressive symptoms using the Major Depression Inventory three years after secondary school. Multivariate linear regression was performed to model the associations of sport participation with depressive symptoms while controlling for sex, age, parent education, and baseline depressive symptoms. In the final model, adolescents who consistently participated in team sport during high school reported lower depression scores in early adulthood (β = −.09, p = .02). Number of years of individual sport participation was not statistically significantly associated with depressive symptoms in early adulthood. Based on these findings, team sport participation may protect against depressive symptoms in early adulthood. If this finding is replicated, strategies should be implemented to encourage and maintain team sport participation during adolescence. Further research is needed to understand the mechanisms that link team sport participation to lower depression.

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Patrick Abi Nader, Lina Majed, Susan Sayegh, Lama Mattar, Ruba Hadla, Marie Claire Chamieh, Carla Habib Mourad, Elie-Jacques Fares, Zeina Hawa and Mathieu Bélanger

Background: Evidence on physical activity (PA) indicators for children and youth at a national level is necessary to improve multilevel support for PA behaviors. Lebanon’s first Physical Activity Report Card for children and youth (2018) aimed to fill this gap. Methods: In line with the recommended methods of “Global Matrix 3.0,” nationally representative data were retrieved from peer-reviewed manuscripts, national surveys, and government reports. In addition to adopting the 10 indicators of “Global Matrix 3.0,” publications that discussed weight status were also retained. A grade was assigned for each indicator using a standard rubric: A = 80% to 100%, B = 60% to 79%, C = 40% to 59%, D = 20% to 39%, F = <20%, and INC = incomplete data. Results: Four indicators (active play, family and peers, community and environment, and physical fitness) received an “INC.” Three indicators (overall PA, active transportation, and school) received a “D.” Sedentary behaviors received a “C−.” Weight status received a “C.” Government received a “C+.” Organized sport received an “F.” Conclusions: PA participation among Lebanese children and youth is low. Stakeholders should aim to improve low PA indicators grades. Gaps in the literature also need to be filled to inform on the status of all indicators.

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Patrick Abi Nader, Lina Majed, Suzan Sayegh, Ruba Hadla, Cécile Borgi, Zeina Hawa, Lama Mattar, Elie-Jacques Fares, Marie Claire Chamieh, Carla Habib Mourad and Mathieu Bélanger