Table 4.

Economic analysis of photoaging service.

Item		Base case	Scenario sensitivity analysis
			Best case	Worst case
Mean cost per participant of service (AU$)		5.79	5.07	8.93
Total cost of servicea (AU$)		463	406	714
Incremental cost-effectiveness ratio (ICER)
	Cost per additional quitter (AU$)	46	41	71
	Cost per additional lifetime quitter (AU$)	74	64	113
Cost offset from reduction in health care costs (AU$)		2144	2660	1867
Net total cost savings (AU$)		1778	2346	1316
Willingness to pay for service (AU$)
	Mean (SD)	20.25 (15.32)	-	-
	Median (IQR)	20.00 (10.00, 20.00)	-	-

^a For all 80 participants.