This is an exellent study and needs to be more of these. I have worked with several eating disordered clients and found the same to be true. The same has been true for my self, too.  After recovering from an eating disorder I discovered calmly eating was key for me. It did not matter where I ate, with who or in front of what media. The more important issue was that I was calm. It was a choice of either being serene and making "peace with my pieces" of food or my misery is guaranteed. Telling someone to be calm is like lighting a match to a fire. Each person has to find their serenity and it has nothing to do with food, of course. But I do things a little slower and focused.
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