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  • Author: Emmanuel Stamatakis x
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Marilyn Roth and Emmanuel Stamatakis

Using the 2007 Health Survey for England, we examine whether knowledge of guidelines is linked to physical activity levels for 1,954 children aged 11–15, and the correlates of adhering to the guidelines. For girls, knowing the guidelines was associated with meeting them, but was weak among boys, for whom only white ethnicity was associated with meeting the guidelines. For girls, being younger, white, and from a manual social class background was associated with meeting the guidelines. Findings support the call for physical activity-promoting policy and programs aimed at specific groups of children who are prone to lower levels of activity.

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Emmanuel Stamatakis, Kelechi Nnoaham, Charlie Foster and Peter Scarborough

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Marko T. Kantomaa, Tuija Tammelin, Hanna Ebeling, Emmanuel Stamatakis and Anja Taanila

Background:

Adolescent self-rated health is a strong predictor of future illness. In this study we investigated whether physical activity and cardiorespiratory fitness are associated with self-rated health among adolescents aged 16 years.

Methods:

The study sample comprised 7,063 adolescents from the Northern Finland Birth Cohort 1986 (NFBC 1986) who responded to a postal questionnaire in 2001 to 2002. Self-rated health was measured by a single-item question, while physical activity was evaluated by a set of questions concerning the intensity and volume of physical activity outside school hours. Cardiorespiratory fitness was measured with a submaximal cycle ergometer test. Odds ratios (OR) and their 95% confidence intervals (95% CI) for good self-rated health were obtained from multinomial logistic regression.

Results:

High levels of physical activity (boys: OR 5.50, 95% CI 3.16 to 9.58; girls: OR 4.25, 95% CI 2.37 to 7.61) and cardiorespiratory fitness (boys: OR 1.85, 95% CI 1.05 to 3.24; girls: OR 2.62, 95% CI 1.47 to 4.66) were associated with very good self-rated health in adolescents.

Conclusions:

High levels of physical activity and cardiorespiratory fitness are positively associated with adolescents’ self-rated health. Public health promotion activities that foster physical activity and cardiorespiratory fitness may benefit young people’s overall health and well-being.

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Jordan Andre Martenstyn, Lauren Powell, Natasha Nassar, Mark Hamer and Emmanuel Stamatakis

Background: Previous epidemiological studies examining the association between physical activity (PA) and mortality risk have measured absolute PA intensity using standard resting metabolic rate reference values that fail to consider individual differences. This study compared the risk of all-cause and cardiovascular mortality between absolute and corrected estimates of PA volume. Methods: 49,982 adults aged ≥40 years who participated in the Health Survey for England and Scottish Health Survey in 1994–2008 were included in our study. PA was classified as absolute or corrected metabolic equivalent (MET)-hours per week, taking participant’s weight, height, age, and sex into account. Cox regression models were used to examine the association between absolute and corrected PA volumes and all-cause and cardiovascular mortality. Results: The authors found no difference in the association between levels of PA and risk of all-cause and cardiovascular mortality for absolute and corrected MET-hours per week, although there was a consistent decrease in mortality risk with increasing PA. There was no difference in mortality when analyses were stratified by sex, age, and body mass index. Conclusions: The association between PA volume and risk of mortality was similar regardless of whether PA volume was estimated using absolute or corrected METs. There is no empirical justification against the use of absolute METs to estimate PA volume from questionnaires.

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Hosam Alzahrani, Sonia W.M. Cheng, Debra Shirley, Martin Mackey and Emmanuel Stamatakis

Background: To investigate the association between moderate- to vigorous-intensity physical activity (MVPA) and health-related quality of life (HRQoL) in people with back pain. Methods: The sample comprised adults aged 16 years and older who participated in the Welsh Health Survey (2011–2015). The HRQoL was evaluated using the 36-item short form. Participants were categorized into 4 groups based on minutes per week of MVPA: inactive (no MVPA), insufficiently active (<150 min/wk), sufficiently active (≥150 and <300 min/wk), and very active (≥300 min/wk). The authors investigated the association between MVPA and HRQoL using generalized linear models and multiple linear regression. Results: Of the 74,578 adults in the survey cohorts, 27,273 participants diagnosed with back pain were included in the analyses. Consistent direct curvilinear associations between MVPA and HRQoL were demonstrated for all 36-item short form domains (P < .001), in both the minimally and fully adjusted models, with the highest scores observed for sufficiently active and very active participants. Compared with the inactive group, those who were insufficiently active; sufficiently active; and very active had an average difference of 6.31 (95% confidence interval, 5.70–6.92), 7.72 (95% confidence interval, 7.04–8.41), and 8.00 (95% confidence interval, 7.12–8.89) points in the overall HRQoL, respectively. Conclusion: The authors found a consistent direct curvilinear association between MVPA and HRQoL.

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Mohammad Sahebkar, Hamid Heidarian Miri, Pardis Noormohammadpour, Amir Tiyuri, Reza Pakzad, Nasrin Mansournia, Zahra Heidari, Mohammad Ali Mansournia and Emmanuel Stamatakis

Background: To investigate the geographical distribution of physical activity (PA) prevalence among adults aged 15–64 years old across Iran provinces using geographic maps. Methods: Data from 4 consecutive national surveys conducted between 2007 and 2010 were pooled to determine the geographical distribution. Prevalence of low PA with 95% confidence interval was estimated by sociodemographic subpopulations over provinces using complex survey design. Results: In total, 119,560 participants (49.9% females) were included in the analyses. The mean (SD) age of participants was 39.5 (14.3) years. The prevalence of the low PA in the pooled 2007–2010 was 35.8% (95% confidence interval, 34.1–37.6). The 3 provinces with the highest prevalence of low PA were Sistan and Baluchestan, Yazd, and Hormozgan. The results of hot spot analysis showed that the Kerman province was a hot spot, and Ilam, Kermanshah, Hamedan, and Markazi were cold spots for low PA. Ilam, Kohgiluyeh and Boyer-Ahmad, and Mazandaran had the highest total PA volume (metabolic equivalent minutes per week). Hot spot analysis showed that Ilam and Khuzestan provinces were hot spots for the total PA volume. Conclusions: The regions with low and high PA are predominately situated in the near center/southeast and west, respectively.

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Rawan Hashem, Juan P. Rey-López, Mark Hamer, Anne McMunn, Peter H. Whincup, Christopher G. Owen, Alex Rowlands and Emmanuel Stamatakis

Background: There is only scarce number of studies available describing the lifestyle of adolescents living in Arab countries. Hence, we described physical activity (PA) and sedentary behaviors patterns among Kuwaiti adolescents and the associations with parental education. Methods: Cross-sectional data from 435 adolescents (201 boys and 234 girls) were collected from the Study of Health and Activity among Adolescents in Kuwait conducted between 2012 and 2013. Outcome variables included PA (ActiGraph GT1M accelerometers) and sedentary behaviors. Exposure variable was parental education. Descriptive and multiple logistic regression analyses were used to examine the association between parental education and outcome variables. Results: Total sedentary time (minutes per day) was higher in girls [568.2 (111.6)] than in boys [500.0 (102.0)], whereas boys accumulated more minutes in light, moderate, and vigorous PA (all Ps ≤ .001). In total, 3.4% of adolescents spent ≥60 minutes per day of moderate to vigorous PA (by accelerometry), while only 21% met the screen time guidelines. Low/medium maternal education was associated with a higher odds of exceeding screen time guidelines (odds ratio = 2.09; 95% confidence interval, 1.09–4.02). Conclusions: Most Kuwaiti adolescents in this sample were physically inactive and exceeded screen time guidelines. Objective PA was not socially patterned, yet an inverse association between maternal education and screen time behaviors was found.