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Table 4 Principal component factor analysis of eight indices of traditional ecological knowledge (n = 375)

From: Evaluating indices of traditional ecological knowledge: a methodological contribution

Variable Factor loadings Uniqueness
  1 2 3  
Cultural knowledge of uses 0.73723 -0.18771 0.556 0.11
Agreement with experts 0.79549 -0.04522 0.50679 0.11
Ecological cultural knowledge 0.3361 0.82299 -0.11305 0.20
Ecological knowledge 0.45919 0.75426 -0.02407 0.22
Average plants used 0.77752 -0.2847 -0.33478 0.20
Total plants used 0.85005 -0.20598 -0.34651 0.11
Total species used 0.69175 -0.1106 -0.41778 0.33
Skills using plants 0.2757 0.08834 0.28966 0.83