Evidence of secular changes in physical activity and fitness, but not adiposity and diet, in Welsh 12–13 year olds

Non E. Thomas, D.R.R. Williams, David A. Rowe, Bruce Davies, Julien S Baker

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Objective
The aim of the present study was to investigate secular trends in selected cardiovascular disease risk factors (namely adiposity, physical activity, physical fitness and diet) in a sample of Welsh 12—13 year olds between 2002 and 2007. 
DesignCross-sectional. 
SettingA secondary school based in South West Wales. 
MethodTwo studies in 2002 (n = 71) and 2007 (n = 83), were compared to evaluate changes in adiposity, physical activity, physical fitness and diet in school children. On both occasions testing was carried out in the same school and using identical procedures. 
ResultsBetween the two time periods, mean adiposity levels remained stable. The percentage of school children who were classified as overweight or obese in 2002 was 39.4 per cent (boys) and 26.3 per cent (girls). In 2007, this was 21.3 per cent and 26.0 per cent respectively. Physical activity and fitness levels improved for boys and girls; however, 80.0 per cent of girls still did not meet the recommended one hour per day of moderate physical activity. For both sexes, there were no significant differences in dietary fat intake between 2002 and 2007 cohorts. Both boys and girls continued to consume a diet that was heavily reliant on foods that were high in saturated fat. 
ConclusionWe identified a trend towards increased physical activity among 12—13 year olds but there were no changes in dietary habits or adiposity. The findings indicate that increased physical activity, used in isolation without dietary modification, has no effect on adiposity. This study has demonstrated a need for large-scale studies to better evaluate existing and future initiatives targeting obesity in young people.
Original languageEnglish
Pages (from-to)381-389
Number of pages9
JournalHealth Education Journal
Volume69
Issue number4
DOIs
Publication statusPublished - Dec 2010

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Physical Fitness
Adiposity
Exercise
Diet
Diet Therapy
Dietary Fats
Wales
Feeding Behavior
Cardiovascular Diseases
Obesity
Fats
Food

Cite this

Thomas, Non E. ; Williams, D.R.R. ; Rowe, David A. ; Davies, Bruce ; Baker, Julien S. / Evidence of secular changes in physical activity and fitness, but not adiposity and diet, in Welsh 12–13 year olds. In: Health Education Journal. 2010 ; Vol. 69, No. 4. pp. 381-389.
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abstract = "ObjectiveThe aim of the present study was to investigate secular trends in selected cardiovascular disease risk factors (namely adiposity, physical activity, physical fitness and diet) in a sample of Welsh 12—13 year olds between 2002 and 2007. DesignCross-sectional. SettingA secondary school based in South West Wales. MethodTwo studies in 2002 (n = 71) and 2007 (n = 83), were compared to evaluate changes in adiposity, physical activity, physical fitness and diet in school children. On both occasions testing was carried out in the same school and using identical procedures. ResultsBetween the two time periods, mean adiposity levels remained stable. The percentage of school children who were classified as overweight or obese in 2002 was 39.4 per cent (boys) and 26.3 per cent (girls). In 2007, this was 21.3 per cent and 26.0 per cent respectively. Physical activity and fitness levels improved for boys and girls; however, 80.0 per cent of girls still did not meet the recommended one hour per day of moderate physical activity. For both sexes, there were no significant differences in dietary fat intake between 2002 and 2007 cohorts. Both boys and girls continued to consume a diet that was heavily reliant on foods that were high in saturated fat. ConclusionWe identified a trend towards increased physical activity among 12—13 year olds but there were no changes in dietary habits or adiposity. The findings indicate that increased physical activity, used in isolation without dietary modification, has no effect on adiposity. This study has demonstrated a need for large-scale studies to better evaluate existing and future initiatives targeting obesity in young people.",
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Evidence of secular changes in physical activity and fitness, but not adiposity and diet, in Welsh 12–13 year olds. / Thomas, Non E.; Williams, D.R.R.; Rowe, David A. ; Davies, Bruce; Baker, Julien S.

In: Health Education Journal, Vol. 69, No. 4, 12.2010, p. 381-389.

Research output: Contribution to journalArticle

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