Table 5A. Income, Box–Cox transformation of income, and predicted food-at-home expenditures for SNAP and non-SNAP consumer units incurring food-at-home expenditures in the reference week, by geographic area, 2006–15
Variable United States New York area
Non-SNAP, yearly SNAP, yearly Non-SNAP, weekly SNAP, weekly Non-SNAP, yearly SNAP, yearly Non-SNAP, weekly SNAP, weekly

How much are food-at-home expenditures expected to change given an increase in SNAP benefit amounts?

Income (in 2015 dollars)

23,911.68 27,420.12 459.84 527.31 22,840.48 26,580.84 439.24 511.17

Income, all sources other than SNAP (in 2015 dollars)

23,911.68 23,911.68 459.84 459.84 22,840.48 22,840.48 439.24 439.24

Income, SNAP (in 2015 dollars)

0 3,508.44 0 67.47 0 3,740.36 0 71.93

λ income, all sources other than SNAP

[1] [1] 0.25 0.25 [1] [1] 0.25 0.25

λ income, SNAP for those who received SNAP benefits

[1] [1] [1] 0.19 [1] [1] [1] 0.19

λ food-at-home expenditures

[1] [1] 0.25 0.25 [1] [1] 0.25 0.25

Box–Cox transformation of income, all sources other than SNAP

[1] [1] 4.63 4.63 [1] [1] 4.58 4.58

Box–Cox transformation of income, SNAP (for recipients)

[1] [1] [1] 2.20 [1] [1] [1] 2.23

Predicted food-at-home expenditures (control group) (in dollars)

[1] [1] 42.49 50.91 [1] [1] 39.38 62.16

How much are food-at-home expenditures expected to change given an increase in other (non-SNAP) income?

Income (in 2015 dollars)

[1] [1] 527.31 527.31 [1] [1] 511.17 511.17

Income, all sources other than SNAP (in 2015 dollars)

[1] [1] 527.31 459.84 [1] [1] 511.17 439.24

Income, SNAP (in 2015 dollars)

[1] [1] 0 67.47 [1] [1] 0 71.93

λ income

[1] [1] 0.25 0.25 [1] [1] 0.25 0.25

λ income, SNAP for those who received SNAP benefits

[1] [1] [1] 0.19 [1] [1] [1] 0.19

λ food-at-home expenditures

[1] [1] 0.25 0.25 [1] [1] 0.25 0.25

Box–Cox transformation of income, all sources other than SNAP

[1] [1] 4.79 4.63 [1] [1] 4.76 4.58

Box–Cox transformation of income, SNAP (for recipients)

[1] [1] [1] 2.20 [1] [1] [1] 2.23

Predicted food-at-home expenditures (control group) (in dollars)

[1] [1] 43.20 50.91 [1] [1] 40.02 62.16

[1] Data are not applicable.

Note: The Box–Cox transformation is only applied to the weekly income data used in the regression analysis. For more information regarding Box–Cox, see https://www.jstor.org/stable/2984418. SNAP = Supplemental Nutrition Assistance Program.

Source: U.S. Bureau of Labor Statistics, Consumer Expenditure Diary Surveys, 2006–15.