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Table 1 Characteristics of intervention group schools

From: Exploring the economics of public health intervention scale-up: a case study of the Supporting Healthy Image, Nutrition and Exercise (SHINE) cluster randomised controlled trial

School characteristic
School system
 Independent or Catholic school 6 (40%)
 Government school 9 (60%)
School structure
 Co-educational 13 (87%)
 Single-sex 2 (13%)
Location
 Metropolitan Melbourne 10 (67%)
 Regional Victoria 5 (33%)
School size
 Mean number of Grade 7 classes per intervention school (range) 7 (2 – 10)
Socio-economic Index for Areas (SEIFA) Index of Relative Socio-Economic Disadvantage (IRSD)*
SEIFA Index No. intervention schools
 2 1 (7%)
 4 1 (7%)
 5 1 (7%)
 6 1 (7%)
 7 4 (27%)
 8 4 (27%)
 9 2 (13%)
 10 1 (7%)
  1. *SEIFA IRSD summarises a range of information about the socio-economics of people and households within a local government area. SEIFA IRSD are presented for the LGAs in which intervention schools are located [36]. A lower score indicates relatively greater disadvantage