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Table 8 Generalized linear Model (GLM) showing the effect of selected independent variables on the number of medicinal plants used and the collection frequency of wild yam (n = 250) in rural villages of the Mahafaly region in SW-Madagascar

From: Effects of socio-economic household characteristics on traditional knowledge and usage of wild yams and medicinal plants in the Mahafaly region of south-western Madagascar

Independent variable

Number of medicinal plants used

Frequency of yam collection (Frequency month-1)

 

B*

P

r

B

P

R

Education level

−0.087

.029

−0.083

−0.249

0.008

−0.118

Tropical livestock unit

−0.007

.038

−0.192

−0.460

0.000

−0.263

Agricultural harvest

−0.127

.002

−0.270

−0.251

0.012

−0.229

Age

0.002

.217

0.119

−0.014

0.000

−0.209

Family size

0.027

.001

0.119

0.056

0.003

0.092

Gender

0.125

.029

0.128

0.153

0.232

0.124

Healer consultancy

−0.472

.000

−0.380

-

-

-

Households activities

-

-

-

0.053

0.550

0.038

  1. (*) Beta coefficient; (r) regression coefficient, (−) the variable was not included in the model.