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Fig. 1 | Trials

Fig. 1

From: Effects of a programme of vigorous physical activity during secondary school physical education on academic performance, fitness, cognition, mental health and the brain of adolescents (Fit to Study): study protocol for a cluster-randomised trial

Fig. 1

Fit to Study trial schedule of forms and procedures (adapted from SPIRIT figure). Abbreviations: HBSC Health Behaviour in School-aged Children, PDSS Paediatric Daytime Sleepiness Scale, PE physical education, P-SDQ Physical Self-Description Questionnaire, SDQ Strengths and Difficulties Questionnaire, PA physical activity, VPA vigorous physical activity

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