China has eight main cuisines related to different areas in China. Some of these cuisines are spicy and some are not. Obviously a whole lot other things also differ together with the spices in these cuisines. It would be nice if they'd asked if the subjects identified with a specific cuisine/area. There could also be a wealth relation. The poorer Guandong (Cantonese) kitchen has little less chili than the famously sp…
https://en.wikipedia.org/wiki/List_of_Chinese_administrative...