Sensitivity analysis of additionality and health status change for: (a) economic value; and (b) benefit-cost ratios (shading compares to the 5.9:1 for population-level initiatives [31]: see legend). Central WELLBY value of £15,935 used (2024 prices).

Sensitivity analysis of additionality and health status change for: (a) economic value; and (b) benefit-cost ratios (shading compares to the 5.9:1 for population-level initiatives [31]: see legend). Central WELLBY value of £15,935 used (2024 prices).

针对（a）经济价值与（b）效益成本比，开展额外性（additionality）与健康状况变化的敏感性分析。其中阴影区域与参考文献[31]中人群层面举措的5.9:1比值进行对比，详见图例。本次分析采用基准韦尔比（WELLBY）值15,935英镑，物价水平以2024年计。