Table 1.
Statistical test of significance, t-test, on average number of reported medicinal plants among different informant groups in Ankober District
| 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 |
*Significant difference (p < 0.05); ** t(0.05) (two tailed), df = 350, N = number of respondents.