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Table 2 Sample size parameters

From: Protocol for a cluster randomised controlled trial of a Peer-Led physical Activity iNtervention for Adolescent girls (PLAN-A)

MVPA Difference (mins) Power N pupils (uninflated) N pupils (inflated) N Schools N Schools when allowing for correlation between baseline and follow-up
10 90 560 800 12 10
10 80 420 600 10 10
8 90 700 1000 16 12
8 80 560 800 12 12
6 90 980 1400 20* 18
6 80 840 1200 18 16
  1. *sample size used