Potential programme costs—two intervention buildings (direct costs and staffing) | ||||

Minimum assumption ($18 461) | Moderate assumption ($44 707) | Maximum assumption ($70 952) | ||

Potential cost offsets* | Minimum assumption ($12 114) | 6347 | 32 593 | 58 838 |

Moderate assumption ($39 474) | (−21 013) | 5233 | 31 478 | |

Maximum assumption ($54 720) | (−36 259) | (−10 013) | 16 232 | |

Potential programme costs—four intervention buildings (direct costs and staffing) | ||||

Minimum assumption ($18 461) | Moderate assumption ($66 703) | Maximum assumption ($114 944) | ||

Potential cost offsets† | Minimum assumption ($24 228) | (−5767) | 42 475 | 90 716 |

Moderate assumption ($78 949) | (−60 488) | (−12 246) | 35 995 | |

Maximum assumption ($109 440) | (−90 979) | (−42 737) | 5504 |

*Expected offset for two future buildings, based on the randomised controlled trial results of 157.8 fewer calls in 13 buildings, and a value of $499/call for minimum, $1626/call for moderate and $2254/call for maximum cost offset assumptions.

†Expected offset for four future buildings, based on the randomised controlled trial results of 157.8 fewer calls in 13 buildings, and a value of $499/call for minimum, $1626/call for moderate and $2254/call for maximum cost offset assumptions.

QALY, quality-adjusted life year.