Table 3. Hierarchical cluster analysis for impact of treatment variables such as location, processing and consumption on OTU tables.

Variable, test statistic (R), degrees of freedom (Dfs) and exact p value (P) are given, unless the p value was smaller than 0.001, which is indicated by <0.001.

Variable	R	Dfs	P
Sampling location	0.208	4,87	<0.001
Province	0.293	2,87	<0.001
Cooking time	0.059	5,87	0.106
Hydrolysis time	0.072	4,87	0.051
Fermentation time	0.015	3,87	0.32
How consumed	0.035	4,87	0.107
Who consumed	0.035	4,87	0.241
Where consumed	-0.023	2,87	0.741
When consumed	0.129	4,87	<0.001