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Table 1 School- and pupil level baseline characteristics

From: The effect of a one-year vigorous physical activity intervention on fitness, cognitive performance and mental health in young adolescents: the Fit to Study cluster randomised controlled trial

  Intervention Control
School level
 No. schools 46 47
Gender status, no. (%)
 Co-ed 37 (80.4%) 38 (80.9%)
 Female 9 (19.6%) 8 (17.0%)
 Male 0 (0%) 1 (2.1%)
Socioeconomic status
 Percent eFSM pupils, mean (SD) 17.0 (9.00) 17.7 (12.9)
 IMD, median (range), decile 5 (1–10) 6 (1–10)
Pupil level
 No. pupils 7860 8157
 Age, mean (SD), y 12.5 (0.296) 12.5 (0.293)
 Females, no (%) 4466 (56.8%) 4495 (55.1%)
 eFSM, no. (%), yes 1243 (15.8%) 1422 (17.4%)
  1. Abbreviations: Co-ed co-education, eFSM eligible for free school meals, IMD index of multiple deprivation, SD standard deviation, y year