Journal
OBESITY REVIEWS
Volume 15, Issue 8, Pages 666-675Publisher
WILEY
DOI: 10.1111/obr.12188
Keywords
Children; physical activity; sedentary behaviour
Categories
Funding
- Medical Research Council [MC_UU_12015/7]
- Centre for Diet and Activity Research (CEDAR), a UKCRC Public Health Research: Centre of Excellence
- British Heart Foundation
- Economic and Social Research Council
- Medical Research Council
- National Institute for Health Research
- Wellcome Trust
- UK Clinical Research Collaboration [RES-590-28-0002]
- ESRC [ES/G007462/1] Funding Source: UKRI
- MRC [MC_UU_12015/7, MR/K023187/1, MC_UP_1001/2] Funding Source: UKRI
- Economic and Social Research Council [ES/G007462/1] Funding Source: researchfish
- Medical Research Council [MC_UU_12015/7, MC_UP_1001/2, MR/K023187/1] Funding Source: researchfish
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Physical activity and sedentary behaviour are associated with metabolic and mental health during childhood and adolescence. Understanding the interrelationships between these behaviours will help to inform intervention design. This systematic review and meta-analysis synthesized evidence from observational studies describing the association between sedentary behaviour and physical activity in young people (< 18 years). English-language publications up to August 2013 were located through electronic and manual searches. Included studies presented statistical associations between at least one measure of sedentary behaviour and one measure of physical activity. One hundred sixty-three papers were included in the meta-analysis, from which data on 254 independent samples was extracted. In the summary meta-analytic model (k = 230), a small, but significant, negative association between sedentary behaviour and physical activity was observed (r = -0.108, 95% confidence interval [CI] = -0.128, -0.087). In moderator analyses, studies that recruited smaller samples (n < 100, r = -0.193, 95% CI = -0.276, -0.109) employed objective methods of measurement (objectively measured physical activity; r = -0.233, 95% CI = -0.330, -0.137) or were assessed to be of higher methodological quality (r = -0.176, 95% CI = -0.215, -0.138) reported stronger associations, although effect sizes remained small. The association between sedentary behaviour and physical activity in young people is negative, but small, suggesting that these behaviours do not directly displace one another.
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