Energy balance in adolescent girls: The trial of activity for adolescent girls cohort

Cohen, Deborah A.; Ghosh-Dastidar, Bonnie; Conway, Terry L.; Evenson, Kelly R.; Rodrı́guez, Daniel A.; Beckman, Robin L.; Elder, John P.; Pickrel, Julie L.; Lytle, Leslie A.

doi:10.1002/oby.20536

Cited by 14 publications

(24 citation statements)

References 33 publications

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“…Particularly with light PA, there were significant differences between the 7th graders and the other grades. The girls in this study were more active than in the study of Cohen, Ghosh-Dastidar, & Lytle (2014) and in that of Marques et al (2015). In the present study, the average MVPA of the 8th-grade girls was 75 MVPA of 34 minutes per day, with sedentary time being 9 hours 8 minutes.…”

Section: Discussioncontrasting

confidence: 44%

“…As a part of the Physical Education Homework Study, adolescent girls' objectively measured PA and self-reported PE homework were examined. The girls were more active compared to those in other PA studies (Ruiz et al, 2011;Cohen, Ghosh-Dastidar, & Lytle, 2014;Marques et al, 2015); 38% of the girls reached the 60-minute MVPA recommendations (Currie et al, 2008). The PE homework comprised an average of 34 minutes of active time per week.…”

Section: Discussionmentioning

confidence: 59%

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The Role of Physical Education Homework to Adolescent Girls’ Physical Activity in Finland

Kääpä¹,

Palomäki²,

Vähä‐Ypyä³

et al. 2019

APE

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Introduction: There is an urgent need for active strategies to promote physical activity (PA) among female adolescents, as they are at greater risk of physical inactivity. In addition to Physical Education (PE) in school, to reach adequate levels of PA, young people need to participate in PA during the school day and/or after-school hours and/or in the before-school period. One week of objectively measured and self-reported information enlightens the status quo of adolescent girls' PA and the role that PE homework plays. Purpose: The purpose of this study was to examine girls' objectively measured PA in a lower secondary school as part of the Physical Education Homework Study, a project conducted in Finland. An additional aim was to provide insights into physical education (PE) homework as part of PA. Methods: Different levels of PA (i.e., light, moderate, vigorous), sedentary time, number of total steps and running steps were measured using accelerometers among girls in the 7th, 8th and 9th grades, aged between 12 and 15 years (n = 88) for a period of 1 week. In addition, self-reported structured diaries were used to gather information about after school activities, including PE homework. An analysis of variance (ANOVA) and Tamhane's post-hoc test was used to compare the different grades on the basis of participants' PA levels and sedentary time. Data from self-reported PE homework frequencies and time spent on PE homework were analysed using the independent-samples t-test. Results: The PE homework was a small aspect of the participants' whole-day PA, averaging 34 minutes per week (7th grade girls 20 minutes, 8th grade girls 51 minutes, and 9th grade girls 32 minutes). Half of the girls from the 8th grade reached the 60-minute PA recommendation every day; 38% of all the girls met the recommended levels of PA. For the 7th grade girls, 35% met the recommendation, while 28% of the 9th grade girls reached the PA guidelines. The 7th grade girls recorded an average daily light PA time of 3 hours 28 minutes; this was 34 minutes more than the girls from 8th grade

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Section: Discussioncontrasting

confidence: 44%

Section: Discussionmentioning

confidence: 59%

The Role of Physical Education Homework to Adolescent Girls’ Physical Activity in Finland

Kääpä¹,

Palomäki²,

Vähä‐Ypyä³

et al. 2019

APE

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“…Indeed, increased physical activity has been associated with greater reductions in body fat, but not zBMI. 25 Research has also shown that FAFH is negatively, 26 and diet quality is positively 27 associated with exercise in adults, which may suggest that children who increased HEI-2005 scores may also have increased their physical activity. To test this hypothesis, analyses were run in a subsample of subjects who had complete physical activity data (N=129) using the energy balance behaviors as covariates.…”

Section: Discussionmentioning

confidence: 99%

Reduction in Food Away from Home Is Associated with Improved Child Relative Weight and Body Composition Outcomes and This Relation Is Mediated by Changes in Diet Quality

Altman

Holland

Lundeen

et al. 2015

Journal of the Academy of Nutrition and Dietetics

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Background Reducing consumption of food away from home (FAFH) is often targeted during pediatric obesity treatment given associations with weight status and gain. However, the effects of this dietary change on weight loss are unknown. Objective Evaluate associations between changes in dietary factors and child anthropometric outcomes after treatment. It is hypothesized that reduced consumption of FAFH will be associated with improved dietary intake and greater reductions in anthropometric outcomes (standardized body mass index [zBMI] and percent body fat), and the relationship between FAFH and anthropometric outcomes will be mediated by improved child dietary intake. Design Longitudinal evaluation of associations between dietary changes and child anthropometric outcomes. Child diet (three 24-hour recalls) and anthropometric data were collected at baseline and 16-weeks. Participants/setting 170 overweight and obese children ages 7–11 who completed 16-week family-based behavioral weight loss treatment (FBT) as part of a larger multi-site (MO and WA) randomized controlled trial (RCT) conducted in two cohorts between 2010–2011. Clinical research trial. Intervention Dietary treatment targets during FBT included improving diet quality and reducing FAFH. Main Outcome Measures Child relative weight (zBMI) and body composition (percent body fat) Statistical Analyses Performed T-tests, bootstrapped single mediation analyses adjusting for relevant covariates. Results As hypothesized, decreased FAFH was associated with improved diet quality and greater reductions in zBMI (Ps<0.05) and percent body fat (Ps<0.01). Associations between FAFH and anthropometric outcomes were mediated by changes in diet quality. Specifically, change in total energy intake and added sugars mediated the association between change in FAFH and zBMI, and change in overall diet quality, fiber, added sugars, and added fats mediated the association between change in FAFH and percent body fat. Including physical activity as a covariate did not significantly impact these findings. Conclusions These results suggest that reducing FAFH may be an important behavioral target for affecting positive changes in both diet quality and anthropometric outcomes during treatment.

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“…Nonetheless, many of these studies employed a cross-sectional design and did not isolate the effects of moderate- and vigorous-intensity physical activities. Therefore, there is still little information regarding the specific effects of moderate- and vigorous-intensity physical activities on BF [ 15 , 16 ].…”

Section: Introductionmentioning

confidence: 99%

Physical activity throughout adolescence and body composition at 18 years: 1993 Pelotas (Brazil) birth cohort study

Ramires

Dumith

Wehrmeister

et al. 2016

Int J Behav Nutr Phys Act

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BackgroundAdolescence is a period of accelerated development and increases in body composition. Physical activity (PA) practice has been associated with the development of major components of body composition (bone, muscle and fat). However, the longitudinal effects of PA of different intensities during adolescence are still not well understood. Thus, the main goal this study has investigate the association between practice of moderate- and vigorous-intensity physical activity throughout adolescence and body composition, specifically lean mass (LM) and fat mass (FM), at age 18.MethodsIn this cohort study, physical activity was measured at 11, 15 and 18 years, using questionnaires. Thresholds of 300, 150 and 75 min per week, were used for MVPA, moderate- and vigorous-intensity physical activity, respectively. Consistent physical activity was defined as reaching the thresholds at the three follow-ups. FM and LM at age 18 were assessed by DXA and expressed as fat mass (FMI) and lean mass (LMI) indexes. To verify the association between the trajectories of MVPA, moderate- and vigorous-intensity physical activity in adolescence and FM and LM at 18, multivariate analyses were performed through multiple linear regressions adjusted for co-variables.ResultsA total of 3,176 adolescents were evaluated. The consistent practice of moderate- and vigorous-intensity physical activity according to thresholds during adolescence were directly related to the LMI in boys (moderate-intensity - β = 0.40 and CI95 % 0.13; 0.68 and vigorous-intensity - β = 0.95 and CI95 % 0.69; 1.21) and girls (Moderate-intensity - β = 0.23 and CI95 % 0.02; 0.45 and vigorous-intensity - β = 0.80 and CI95 % 0.29; 1.32). Practice of vigorous-intensity physical activity alone showed to be inversely associated with the FMI in boys (β = -0.53 and CI95 % -0.96;–0.10).ConclusionConsistent physical activity practice during adolescence was associated with greater lean mass in both sexes. In boys, vigorous-intensity physical activity was associated with less fat mass.

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Energy balance in adolescent girls: The trial of activity for adolescent girls cohort

Cited by 14 publications

References 33 publications

The Role of Physical Education Homework to Adolescent Girls’ Physical Activity in Finland

The Role of Physical Education Homework to Adolescent Girls’ Physical Activity in Finland

Reduction in Food Away from Home Is Associated with Improved Child Relative Weight and Body Composition Outcomes and This Relation Is Mediated by Changes in Diet Quality

Physical activity throughout adolescence and body composition at 18 years: 1993 Pelotas (Brazil) birth cohort study

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