Local people’s interaction with Wejig-Mahgo-Waren Massif Forest in Southern Tigray, Ethiopia

Table 9 Statistical test of significance difference between average numbers of medicinal plants reported by different informant groups

Parameters	Informant groups	N	Average ± SD	t-value**	p-value
Gender	Male	200	4.21 ± 9.20	5.88	0.000*
Gender	Female	139	0.32 ± 1.39	5.88	0.000*
Age	Young members (< 50)	254	1.61 ± 5.99	− 1.38	0.030*
Age	Old members (> 50)	85	2.66 ± 6.22	− 1.38	0.030*
Literacy level	Literate	140	1.63 ± 4.27	− 2.79	0.000*
Literacy level	Illiterate	199	3.55 ± 8.29	− 2.79	0.000*
Informant category	Key informant	30	14.57 ± 13.74	17.86	0.000*
Informant category	General informant	309	0.34 ± 1.12	17.86	0.000*

*Significant difference (p < 0.05); ** t (0.05) (two tailed), df = 337, N = number of respondents

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