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Table 2 Summary of the characteristics of schools in difference break time policy groups.

From: The impact of rainfall and school break time policies on physical activity in 9-10 year old British children: a repeated measures study

  Number (%) or mean (SD)
  Indoor PA allowed No indoor PA allowed Allowed outside All
Number of schools 7 (7.8%) 72 (80.0%) 11 (12.2%) 90
Number of participants 134 (7.5%) 1484 (82.7%) 176 (9.8%) 1794
Number of days 443 (7.0%) 5249 (82.9%) 642 (10.1%) 6334
Length of lunch break (minutes) 60.0 (0.0) 58.3 (6.5) 54.5 (11.1) 57.9 (7.0)
Number of pupils in year groupa 46.4 (26.7) 38.9 (26) 32.8 (27.2) 38.8 (26.5)
School has access to an separate gymb 6 (85.7%) 44 (61.1%) 6 (54.6%) 56 (62.2%)
Playground area (m2 per child)c 74.2 (61) 60.1 (42.7) 58.6 (51.3) 61.0 (14.3)
% pupils eligible for free school mealsd 20.1 (16) 11 (11.3) 16.8 (15.6) 12.9 (12.7)
School IMD scoree 23.0 (13.9) 15.2 (10.2) 21.1 (12.5) 16.5 (11.0)
  1. a The number of pupils in Year 4 in 2005/2006. Information provided by Norfolk Local Education Authority
  2. b Number of schools answering 'yes' to the question Does your school have access to a specific hall for gym or sports (indoors)?
  3. c Playground area (area in which Year 5 children are allowed to play in on a fine day in the summer) indicated on a map by head teacher, and area calculated in a GIS
  4. d Free school meals are available to children from low-income families
  5. e Index of Multiple Deprivation score 2007 for the lower super output area the school falls within.