That is, many okonomiyaki shops were operated in the daytime when family members were not at home, where husbands worked in a company outside and wives ran the okonomiyaki shops.
つまり夫は外で会社勤めをし、妻は家でお好み焼き屋を営んでいて、家族がいない昼間にお好み焼き屋をやっていた店が多くあった。