Table 3

Input parameters used to vary the base model for each income quintile, from lowest (1) to highest (5) (BMI distribution not shown)

Quintile1 (lowest)2345 (highest)
Elasticities
 Own-price elasticity (SD)−1.33 (0.10)−1.34 (0.50)−1.13 (0.40)−1.20 (0.70)−1.20 (0.09)
 Cross-price elasticity diet drink (SD)−0.08 (0.03)−0.1 (0.04)−0.16 (0.41)−0.24 (0.07)−0.31 (0.12)
 Cross-price elasticity milk (SD)0.05 (0.03)0.05 (0.30)0.03 (0.03)0.004 (0.02)−0.01 (0.09)
 Cross-price elasticity juice (SD)0.12 (0.09)0.14 (0.19)0.17 (0.18)0.20 (0.15)0.24 (0.17)
Expenditure relative to mean
 Sugar-sweetened beverages and diet drinks (SD)0.11 (0.44)0.28 (0.80)0.56 (1.42)1.03 (2.32)3.02 (6.86)
 Milk (SD)0.22 (0.55)0.50 (1.06)0.81 (1.56)1.29 (2.43)2.18 (4.26)
 Juice11111
Relative mortality (SE, unchanged for quintiles)
 Mortality men1.17 (0.11)1.131.040.960.87
 Mortality women0.96 (0.09)0.970.991.011.03
  • Expenditure relative to mean and relative mortality are used to scale the underlying input rates for each age and sex group. Price elasticities are used directly.

  • BMI, Body Mass Index.