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Table 2 Application example of our indicators

From: Aiming for better use of convenience food: an analysis based on meal production functions at home

Meal no.

Menu contents

Indicator for usage intensity of convenience food (F)

Indicator for cooking efforts (E)

1

Takeaway lunchbox katsu-don

12

1(dish) × 1(foodstuff) = 1

2

Takeaway lunchbox katsu-don and beer

9

2(dish) × 2(foodstuff) = 4

3

Home-cooked katsu-don

1.6

1(dish) × 10(foodstuff) = 10