Therefore, the hypotheses concerned the use of prototypically healthy food, the use of ready-to-serve meals, as well as the use of certain shopping places, of local shops and of public nutrition counseling.

4. 因此，假设涉及典型健康食品的使用、即食餐食的使用，以及某些购物场所、当地商店和公共营养咨询的使用。