Sleep, sedentary behaviour, physical activity and health-related quality of life in children and adolescents: A systematic review
Abstract
PURPOSE
This systematic review summarizes the associations between sleep, sedentary behaviour and physical activity and HRQoL in children and adolescents.
METHODS
PubMed, Embase, PsycINFO and SPORTDiscus were searched from inception until April 2023. Studies conducted in healthy children and adolescents, aged ≤17.9 years at baseline, with validated instruments to assess HRQoL were considered.
RESULTS
Of 6914 reports, 92 (72 cross-sectional, 10 longitudinal, 10 randomized controlled trials) were included, representing 149,760 participants aged 3-20 years. Results provide consistent evidence on (i) the detrimental associations between poor sleep quality and HRQoL; and (ii) beneficial associations between total physical activity and sports participation on HRQoL. There is some support for the detrimental associations between short sleep duration or excessive screen time and HRQoL, and beneficial associations between long sleep and HRQoL. Cross-sectional reports dominated over longitudinal and RCTs, limiting event sequencing and causal inferences, respectively. There were few sleep studies compared to other exposures. The studies' quality varied from very low to moderate.
CONCLUSIONS
Results support limiting screen time during leisure time to 60 min/day) and sports participation. Nevertheless, high-quality studies are necessary in the future.
REGISTRATION
The protocol of this systematic review was registered in PROSPERO (CRD42023414970).
How strong is the evidence?
Evidence Hub reads this as a systematic review, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 149,760 participants or records.
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