Table 2.
Categorization of variables quantified and used for the construction of indices and statistical correlations
| Sociocultural variables | Category |
| Gender | Women (0), Men (1) |
| Family group living in the house | One generation - alone, with partner or brother/sister - (1), more than one generation, children, grandchildren, grandparents - (2) |
| Ethnic self recognition | Non- indigenous/Creoles (0); Indigenous/Mapuche (1) |
| Variables related to use practice | |
| Richness of species used | Never used (0), one per year (1), n species per year (n) |
| Variables related to Cultural Importance Index (IC) | |
| Total number of settlements where species cited (S) | One (1), Two (2), Three (3), Four (4) |
| Relative frequency of cites (number of people that know the plant/total number of interviewees (N = 51) (RFC) | 0.019 (minimum value if just one person mentions the plant); 1 (maximum value if all the people mention the plant) |
| Frequency of underground storage organs (USOs) harvested per year (UF) | No USOs harvested per year (1); n USOs harvested per year (n + 1) |
| Multiple use recognized (MU) | Single use (1), n uses (n) |
| Current use (CU) | Never used (1), Used in childhood (2), Used in the last year (3) |
| Management (M) | Harvested (1), Cultivated (2), Harvested and cultivated (3) |
| Flavour (S) | No mention (1); bitter-strong (2), sweet (3) |
| Forms of consumption (T) | Raw in situ (1), Raw ex situ (2); Some kind of preparation and ex situ consumption (3) |
| Commerce (C) | Without commerce (1), Under commerce (2) |