Sensitivity analyses for healthcare utilisation rate and wage rate for the extended cost-effectiveness analysis of 10% tax on sugar-sweetened beverages in South Africa
Total | Quintile 1 | Quintile 2 | Quintile 3 | Quintile 4 | Quintile 5 | |
Panel A. Healthcare utilisation rate set to 30-day use of healthcare services | ||||||
T2DM deaths averted* | 5153 | 735 | 954 | 1154 | 1226 | 1084 |
Government healthcare savings (ZAR million)* | 1062 | 223 | 298 | 260 | 207 | 73 |
Changes in annual tax revenues (ZAR million) | 5490 | 915 | 1021 | 1118 | 1191 | 1245 |
Financial risk protection (cases of poverty averted using FPL)* | 7536 | 675 | 3389 | 3227 | 245 | 0 |
Financial risk protection (cases of catastrophic expenditures averted)* | 20 736 | 3763 | 4289 | 5553 | 4222 | 2909 |
Annual indirect cost savings (ZAR million) | 12.2 | 0.3 | 0.6 | 1.0 | 2.2 | 8.1 |
Panel B. Wage set to minimum wage across all quintiles | ||||||
T2DM deaths averted* | 7898 | 1260 | 1561 | 1820 | 1860 | 1397 |
Government healthcare savings (ZAR million)* | 1690 | 383 | 488 | 410 | 314 | 94 |
Changes in annual tax revenues (ZAR million) | 5490 | 915 | 1021 | 1118 | 1191 | 1245 |
Financial risk protection (cases of poverty averted using FPL)* | 12 179 | 1155 | 5595 | 5066 | 363 | 0 |
Financial risk protection (cases of catastrophic expenditures averted)* | 32 377 | 6455 | 7020 | 8760 | 6418 | 0 |
Annual indirect cost savings (ZAR million) | 9.4 | 1.2 | 1.6 | 2.1 | 2.5 | 2.0 |
*Estimated over 20 years.
FPL, food poverty line (ZAR321 or US$21 per capita per month); T2DM, type 2 diabetes mellitus; ZAR, South African rand.