A questionnaire survey on food waste from rice, milk, grilled chicken, miso soup, and stewed radish during lunchtime, on lifestyle habits, food education at home, and on early childhood experience with school lunches/daycare meals was conducted on 567 students (281 boys and 286 girls) of a junior high school in Osaka City in December, 2017. The association of food waste during lunchtime with lifestyle habits, food education at home, early childhood experience with school lunches/daycare meals and food waste status of school meals at elementary school was then examined.
We analyzed and investigated how “milk waste” during school meals and “milk waste due to disliking the taste of milk” were associated with food waste of school meals, lifestyle habits, cautions received during meal time at home, early childhood experience with daily school lunches/daycare meals, and food waste status of school meals at elementary school. “Milk waste” was associated with food waste of all types of dishes of school meal, exercise habits, bedtime, and elementary school meal food waste. Moreover, some factors affecting milk waste showed a sex difference. Specifically, exercise habit was suggested to be associated with boys and overall school meal food waste, bedtime, and food education at home were suggested to be associated with girls. “Milk waste due to disliking the taste of milk” was associated early childhood experience with daily school lunches/daycare meals in addition to factors associated with “milk waste.”
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