One-year surveillance of body mass index and cardiorespiratory fitness in UK primary school children in North West England and the impact of school deprivation level

Mann, Steven, Wade, Matthew, Jones, Michelle, Sandercock, Gavin, Beedie, Chris and Steele, James (2019) One-year surveillance of body mass index and cardiorespiratory fitness in UK primary school children in North West England and the impact of school deprivation level. Archives of Disease in Childhood. archdischild-2018. ISSN 0003-9888

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Official URL: https://doi.org/10.1136/archdischild-2018-315567

Abstract

Objectives Cardiorespiratory fitness (CRF) is independently associated with health and academic attainment in childhood and adolescence. Yet overweight/obesity remains the focus in public health policy. Surveillance of body mass index (BMI) and CRF considering school deprivation levels is limited. Therefore, we examined this in English primary schools. Methods Participants (n=409) were students (9–10 years) from 13 schools. BMI and CRF (20 m shuttle run) were measured at three time points across the academic year and a fourth after summer recess. Results BMI z-scores significantly decreased (p=0.015) from autumn (z=0.336 (95% CI 0.212 to 0.460)) to spring (z=0.252 (95% CI 0.132 to 0.371)), and then significantly increased (p=0.010) to summer (z=0.327 (95% CI 0.207 to 0.447)). CRF significantly increased (p<0.001) from autumn (z=0.091 (95% CI −0.014 to 0.196)) to spring (z=0.492 (95% CI 0.367 to 0.616)), no change (p=0.308) into summer (z=0.411 (95% CI 0.294 to 0.528)) and a significant decrease (p<0.001) into the following autumn term (z=0.125 (95% CI 0.021 to 0.230)). BMI was unaffected by deprivation; however, pupils from the most deprived areas saw significantly greater reductions in CRF compared with pupils from affluent areas. No time, or deprivation level, by sex interactions were found. Conclusion Significant reductions in children’s CRF occurred over the summer recess and were greater among children from schools in the most deprived areas. This may help inform future research into interventions targeting physical activity of schoolchildren, particularly over the summer recess.

Item Type:	Article
Additional Information:	Article also available through the link provided Pre-print version available open access through Author link
Keywords:	Physical Fitness, Sport, Health Policy, Obesity
Divisions:	Health Sciences
Depositing User:	Ms Kerry Kellaway
Date Deposited:	13 Mar 2019 09:56
Last Modified:	18 Oct 2019 11:51
URI:	https://marjon.repository.guildhe.ac.uk/id/eprint/17376
Related URLs:	http://adc.bmj. ... ild-2018-315567 (Publisher URL) http://osf.io/p ... portrxiv/jd9pv/ (Author URL)

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