Table 6.

Cost effectiveness ratios and sensitivity analysis: incremental cost ($NZ^*) per fall prevented for implementing home safety programme

Cost scenario	Cost
Cost per fall prevented:
Total cost of implementing programme	650
125th centile total cost of programme	812
75th centile total cost of programme	487
125th centile cost of home visits	716
Equipment costs ×4	1566
Falls reduced by 17% (upper 95% confidence limit)	1569
Falls reduced by 58% (lower 95% confidence limit)	460
Adjusted cost per fall prevented†:
Total cost of implementing programme	1129
125th centile total cost of programme	1411
75th centile total cost of programme	847
125th centile cost of home visits	1243
Equipment costs ×4	2720
Falls reduced by 17% (upper 95% confidence limit)	2725
Falls reduced by 58% (lower 95% confidence limit)	798

^*Average exchange rate in 2004, $NZ1.00=£0.36, €0.53, and $US0.66.

^†Calculated with fall events per 100 person years to adjust for variable follow-up time of individuals in trial.