Table 1.

Regression analysis coefficients of independent variables (human population, population density, district area, number of ethnic groups in district, and mean elevation of the district), against dependent variables (used medicinal plants in whole, traded medicinal plants and aromatic medicinal plants) (*significant)

Independent variables	Used medicinal plants (all)			Traded medicinal plants			Aromatic medicinal plants
	F	t	p	F	t	p	F	t	p
Human population	0.63	0.79	0.42	0.01	0.12	0.89	0.28	− 0.53	0.59
Area	0.01	0.11	0.91	0.18	0.42	0.67	0.56	0.74	0.45
Population density	1.23	1.11	0.26	0.43	0.65	0.51	0.81	0.90	0.37
Number of ethnic groups	0.35	0.59	0.55	0.00	− 0.07	0.94	0.13	− 0.37	0.70
Mean elevation	0.51	0.71	0.47	1.17	1.08	0.28	3.94	1.98	0.05*