Table 1. Model outputs (grams of food/day, expenditure, energy, BMI and HALYs gained) for saturated fat and sugar taxes, and fruit and vegetable subsidy, for the preferred TFEe adjustment and conventional (no TFEe adjustment) analyses.
Expendi- ture # | All food (g/day) | Energy (kJ) | BMI | Fruit (g/day) | Vege (g/day) | Salt (g/day) | PUFA (g/day) | SSBs (mls/day) | Sugar (g/day) | HALYs † | 95% UI HALYs ‡ | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Business as usual (BAU) | 16.09 | 3016 | 8,536 | 27.51 | 149.44 | 149.68 | 3.43 | 0.050 | 102.58 | 108.92 | 173,012,000 | |
Changes compared to BAU | ||||||||||||
Saturated fat tax of $2 per 100g (causing a 3.91% increase in the FPI) | ||||||||||||
Conventional model–no TFEe adjustment | -1.92% | -68 | -740 | -1.30 | -0.58 | -0.83 | -0.19 | -0.001 | 0.40 | -5.21 | 3,343,000 | |
TFEe adjustment | 2.93% | -14 | -348 | -0.61 | 5.75 | 6.20 | -0.07 | -0.001 | 4.65 | 0.18 | 1,805,000 | (1,337,000 to 2,340,000) |
Sugar tax of $0.4/100 grams per 100g (causing a 1.88% increase in the FPI) | ||||||||||||
Conventional model–no TFEe adjustment | -1.04% | -45 | -522 | -0.91 | -0.05 | 0.00 | -0.04 | 0.002 | -22.50 | -17.53 | 2,504,000 | |
TFEe adjustment | 1.41% | -16 | -321 | -0.56 | 3.20 | 3.58 | 0.02 | 0.002 | -20.56 | -20.81 | 1,671,000 | (1,220,000 to 2,269,000) |
Fruit and vegetable subsidy of 20% (causing a 3.27% decrease in the FPI) | ||||||||||||
Conventional model–no TFEe adjustment | 0.72% | 78 | 218 | 0.39 | 28.72 | 53.97 | 0.04 | 0.000 | -0.46 | 5.49 | 415,000 | |
TFEe adjustment | -2.45% | 45 | -56 | -0.10 | 24.22 | 48.62 | -0.05 | 0.000 | -2.88 | 1.84 | 953,000 | (453,000 to 1,308,000) |
† 0% discount rate; HALYs at 3% annual discount rate are shown in S4 Table. Values are ‘expected values’ using central estimates for all input parameters (i.e. not from Monte Carlo simulation).
‡ Uncertainty intervals for 2000 simulations (for TFEe adjusted results only) drawing the 2.5th and 97.5th percentiles.
# $ for BAU. % change for changes compared to BAU.