Easy Access to Biomedicine and Knowledge about Medicinal Plants: A Case Study in a Semiarid Region of Brazil

Table 2

Generalized linear model (GLM) of socioeconomic variables in relation to different measures of knowledge about medicinal plants in the Catimbau Valley.

	Estimation	Std. error	T-value	Pr (>|t|)	AIC
Ethnospecies
Intercept	2.940814	0.102889	28,580	<2e − 16	217.73
Age	0.026132	0.006002	4,354	4.02e − 05
Therapeutic targets
Intercept	2.636760	2.636760	28.803	<2e − 16	199.02
Age	0.023060	0.005340	4.319	4.57e − 05
Body systems
The model with interaction
Intercept	1.62541	0.06556	24.794	<2e − 16	342.72
Schooling	−0.06210	0.02042	−3.042	0.00235
Schooling: distant group^1	0.06801	0.02557	2.660	0.00781

¹ = difference from the close group, , .