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Table 1 Statistical test of significance, t-test, on average number of reported medicinal plants among different informant groups in Ankober District

From: Ethnomedicinal study of plants used for human ailments in Ankober District, North Shewa Zone, Amhara Region, Ethiopia

Parameters Informant groups N Average ± SD t -value** p –value
Gender Male 235 4.23 ± 0.13 1.61 0.1075
Female 117 3.85 ± 0.19
Age Young members 122 2.59 ±0.08 −11.65 0.0001*
Senior members 230 4.90 ± 0.13
Literacy level Illiterate 85 4.73 ± 0.11 −11.90 0.0001*
Literate 267 2.12 ± 0.10
Distance from health centres Proximity to health centre 80 4.22 ± 0.22 0.57 0.5681
Far away from health centre 272 4.07 ±0.12
Experience (Informant category) Key/knowledgeable 88 6.94 ± 0.16 23.88 0.0001*
  General informant 264 3.16 ± 0.07   
  1. *Significant difference (p < 0.05); ** t(0.05) (two tailed), df = 350, N = number of respondents.