Ethnomedicinal plant knowledge and practice of the Oromo ethnic group in southwestern Ethiopia

Table 2 Statistical tests of significance

Type of test	Variables tested	r	χ²	df	p-value
Chi-square	Mean no spp Vs District		286.401*	27	0.0001
	Spp abundance Vs Parts used		232.134*	76	0.0001
	Spp abundance Vs Condition used (Fresh/Dried)		167.170*	12	0.0001
	Spp abundance Vs Marketability		167.538*	8	0.0001
	Spp abundance Vs Added values		17.343*	4	0.0002
Spearman Rank Correlation	Diversity of spp Vs Altitude	-0.290**			0.0001
	Age of healers Vs No spp	0.446**			0.0001
	Educational level of healers Vs No spp	0.055*			0.483

* Significant at 0.05 level (two tailed); ** Correlation is significant at the 0.01 level (two tailed).

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