The PPC-RS included an integration scale that measured structure, functions, and financial risk. Total integration score was calculated as the mean of these 3 domains, with possible scores of 0 to 100, with a higher score indicating better service integration. Adapted from Solberg et al. 2009 .
Wong et al. BMC Family Practice 2013 14:30 doi:10.1186/1471-2296-14-30