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Table 3 Variables affecting the marginal productivity of cooking effort

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

Demographic factor

Household income (five levels from < 4 million yen to > 10 million yen)

Home cook’s age (five levels from 20s to 60s)

Employment status of home cook (full-time homemaker/full-time worker)

Living together with or without a family of elderly people (over 60 years old)

Personality factor (awareness information from Shoku-MAP)

Busy

Cooking is troublesome

I like eating out

Buying food is troublesome

Buying food with emphasis on the price

Flexible with regard to cooking

High interest in health

Prefer luxury foods

Make plan and cook

Resistance to purchase cooked food

Emphasis on the number of foodstuffs

High interest in diet

Prefer natural foodstuffs

Emphasis on the number of dishes

I like cooking

Cook on a case-by-case basis