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Table 3 Statistical test of significance and independent t test on the number of medicinal plant use mentioned by informants in Gubalafto District

From: Ethnobotanical study of medicinal plants used against human ailments in Gubalafto District, Northern Ethiopia

Parameters Informant group N No. of plant species uses reported Mean t value** P value
Informant category General informant 51 268 5.25 − 4.406 0.000*
Healer 33 424 12.85
Gender Male 68 581 8.54 0.676 0.501
Female 16 111 6.94
Age Younger(20–39 years) 21 162 7.71 − 0.323 0.747
Elder (40–84 years) 63 530 8.21
  1. *Significant difference (P < 0.05), **t (0.05) (two tailed), df = 82, N= number of respondents