Socioeconomic Status and Bone Mass in Spanish Adolescents. The HELENA Study

Gracia‐Marco, Luis; Ortega, Francisco B.; Sioen, Isabelle; Widhalm, Kurt; Béghin, Laurent; Vicente-Rodríguez, Germán; Moreno, Luís A.

doi:10.1016/j.jadohealth.2011.08.018

Cited by 22 publications

(15 citation statements)

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“…In the HELENA study, the same definitions were used in previous HELENA studies [28], [29]. In the BRACAH study, the Brazil Criterion of Economic Classification [30] was employed.…”

Section: Methodsmentioning

confidence: 99%

Independent and Combined Effects of Physical Activity and Sedentary Behavior on Blood Pressure in Adolescents: Gender Differences in Two Cross-Sectional Studies

et al. 2013

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ObjectivesTo examine the independent and combined association of physical activity (PA) and sedentary behavior (SB) on both systolic (SBP) and diastolic blood pressure (DBP) in adolescents from two observational studies.MethodsParticipants from two cross-sectional studies, one conducted in Europe (n = 3,308; HELENA study) and the other in Brazil (n = 991; BRACAH study), were selected by complex sampling. Systolic and diastolic blood pressure (outcomes), PA and SB, both independently and combined, and potential confounders were analyzed. Associations were examined by multilevel linear regression.ResultsPerforming the recommended amount of PA (≥60 min/d) attenuated the effect of SB on DBP in BRACAH study girls and in boys from both studies. In contrast, PA did not attenuate the effects of SB on the SBP of girls in the HELENA study. The combination of less than recommended levels of PA with 2–4 h/d of sedentary behavior was found to be associated with increased SBP in boys from both studies.ConclusionsMeeting current PA recommendations could mediate the association between SB and DBP in both sexes. In boys, the joint effect of low levels of PA and excessive sedentary activity increases SBP levels. Longitudinal studies are required to confirm these findings.

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“…In the HELENA study, the same definitions were used in previous HELENA studies [28], [29]. In the BRACAH study, the Brazil Criterion of Economic Classification [30] was employed.…”

Section: Methodsmentioning

confidence: 99%

Independent and Combined Effects of Physical Activity and Sedentary Behavior on Blood Pressure in Adolescents: Gender Differences in Two Cross-Sectional Studies

et al. 2013

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“…Finally, these categories were grouped in four levels in order to homogenize the samples in each group: low occupation level, medium‐high occupation level, high occupation level and undefined class. The category‐undefined class was excluded from the analyses due to the large number of responses with low frequency in each .…”

Section: Discussionmentioning

confidence: 99%

Abdominal obesity and its association with socioeconomic factors among adolescents from different living environments

et al. 2016

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“…Fourteen cross-sectional studies examined relationships between PA and indicators of bone health; 4 studies examined total PA. Total PA had favourable (2/2 studies; Janz et al 2001;Gracia-Marco et al 2012) or null (1/2 studies; Janz et al 2001) associations with wholebody BMC, and favourable associations with BMC of the hip (2/2 studies; Janz et al 2001;Gracia-Marco et al 2012) and spine (1/1 studies; Janz et al 2001). Total PA was not associated with whole-body BMD (0/1 studies; Janz et al 2001), but was favourably associated with BMD of the hip (1/1 studies; Janz et al 2001), calcaneus and distal forearm (1/1 studies; Hasselstrøm et al 2007), and had mixed (favourable in girls, null in boys) associations with spine BMD (1/1 studies; Janz et al 2001).…”

Section: Bone Healthmentioning

confidence: 99%

Systematic review of the relationships between objectively measured physical activity and health indicators in school-aged children and youth

Poitras

Gray

Borghese

et al. 2016

Appl. Physiol. Nutr. Metab.

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Moderate-to-vigorous physical activity (MVPA) is essential for disease prevention and health promotion. Emerging evidence suggests other intensities of physical activity (PA), including light-intensity activity (LPA), may also be important, but there has been no rigorous evaluation of the evidence. The purpose of this systematic review was to examine the relationships between objectively measured PA (total and all intensities) and health indicators in school-aged children and youth. Online databases were searched for peer-reviewed studies that met the a priori inclusion criteria: population (apparently healthy, aged 5-17 years), intervention/exposure/comparator (volumes, durations, frequencies, intensities, and patterns of objectively measured PA), and outcome (body composition, cardiometabolic biomarkers, physical fitness, behavioural conduct/pro-social behaviour, cognition/academic achievement, quality of life/well-being, harms, bone health, motor skill development, psychological distress, self-esteem). Heterogeneity among studies precluded meta-analyses; narrative synthesis was conducted. A total of 162 studies were included (204 171 participants from 31 countries). Overall, total PA was favourably associated with physical, psychological/social, and cognitive health indicators. Relationships were more consistent and robust for higher (e.g., MVPA) versus lower (e.g., LPA) intensity PA. All patterns of activity (sporadic, bouts, continuous) provided benefit. LPA was favourably associated with cardiometabolic biomarkers; data were scarce for other outcomes. These findings continue to support the importance of at least 60 min/day of MVPA for disease prevention and health promotion in children and youth, but also highlight the potential benefits of LPA and total PA. All intensities of PA should be considered in future work aimed at better elucidating the health benefits of PA in children and youth.Key words: physical activity, body composition, cardiometabolic biomarkers, fitness, behavioural conduct, bone health, academic achievement, quality of life, well-being, children.Résumé : L'activité physique d'intensité moyenne à vigoureuse (« MVPA ») est essentielle à la prévention des maladies et à la promotion de la santé. D'après de récentes données, l'activité physique (« PA ») pratiquée à d'autres intensités telles que légères (« LPA ») s'avère aussi importante, mais il n'y a pas d'évaluation rigoureuse de ces faits. Cette analyse documentaire systématique a pour objectif d'examiner la relation entre l'activité physique mesurée objectivement (totale et à chacune des intensités) et des indicateurs de la santé chez des enfants et des jeunes d'âge scolaire. On a cherché dans des bases de données en ligne pour identifier des études révisées par des pairs et présentant a priori les critères d'inclusion suivants : population (apparemment en santé, sujets âgés de 5 à 17 ans), intervention/exposition/comparateur (volume, durée, fréquence, intensité et types de mesure objective de PA) et le résultat (composition c...

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Socioeconomic Status and Bone Mass in Spanish Adolescents. The HELENA Study

Cited by 22 publications

References 34 publications

Independent and Combined Effects of Physical Activity and Sedentary Behavior on Blood Pressure in Adolescents: Gender Differences in Two Cross-Sectional Studies

Independent and Combined Effects of Physical Activity and Sedentary Behavior on Blood Pressure in Adolescents: Gender Differences in Two Cross-Sectional Studies

Abdominal obesity and its association with socioeconomic factors among adolescents from different living environments

Systematic review of the relationships between objectively measured physical activity and health indicators in school-aged children and youth

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