Table 4.

Net costs or savings for interventions during the RAPSID trial*

	Study group
	One to one	Group	Any intervention
	Mean (95% CI)
Impact on participants out-of-pocket costs	26.51 (−19.40 to 72.42)	4.04 (−47.99 to 56.06)	11.41 (−37.94 to 60.76)
Impact on NHS incurred costs	−267.00 (−758.02 to 224.01)	−101.44 (−600.75 to 397.86)	−138.38 (−706.68 to 429.92)
Net cost or savings incurred with implementation cost of 13.84£ for those receiving peer support	Savings of £233.65 (−734.06 to 267.52)	Savings of £90.52 (−598.87 to 417.83)	Savings of £113.13 (−616.82 to 390.55)

*All costs reported in 2013 £.

NHS, National Health Service.