Table 5.
Comparison of odor ranks
| Comparison | Test | p value | Significant | Median control (C) | Median mint (M) | Median hexanal (H) |
|---|---|---|---|---|---|---|
| Response rank | C;N= 225 | M;N= 268 | H;N= 369 | |||
| AP all groups | Kruskal--Wallis | <0.0001 | Yes | 5 | 4 | 6 |
| AP; C vs M | Dunn's | 0.417 | No | 5 | 4 | |
| AP; C vs H | Dunn's | 0.0002 | Yes | 5 | 6 | |
| AP; H vs M | Dunn's | <0.0001 | Yes | 4 | 6 | |
| EB all groups | Kruskal--Wallis | 0.0176 | Yes | 10 | 10 | 11 |
| EB; C vs M | Dunn's | 0.2086 | No | 10 | 10 | |
| EB; C vs H | Dunn's | 0.0138 | Yes | 10 | 11 | |
| EB; H vs M | Dunn's | >0.9999 | No | 10 | 11 | |
| Hexanal 1%; all groups | Kruskal--Wallis | <0.0001 | Yes | 10 | 10 | 12 |
| Hexanal 1%; C vs M | Dunn's | >0.9999 | No | 10 | 10 | |
| Hexanal 1%; C vs H | Dunn's | <0.0001 | Yes | 10 | 12 | |
| Hexanal 1%; H vs M | Dunn's | <0.0001 | Yes | 10 | 12 | |
| Hexanone; all groups | Kruskal--Wallis | <0.0001 | Yes | 13 | 11 | 11 |
| Hexanone; C vs M | Dunn's | <0.0001 | Yes | 13 | 11 | |
| Hexanone; C vs H | Dunn's | <0.0001 | Yes | 13 | 11 | |
| Hexanone; H vs M | Dunn's | 0.0001 | Yes | 11 | 11 | |
| IAA 1% all groups | Kruskal--Wallis | <0.0001 | Yes | 9 | 6 | 7 |
| IAA 1%; C vs M | Dunn's | <0.0001 | Yes | 9 | 6 | |
| IAA 1%; C vs H | Dunn's | 0.0004 | Yes | 9 | 7 | |
| IAA 1%; H vs M | Dunn's | 0.0065 | Yes | 6 | 7 | |
| MS 1% all groups | Kruskal--Wallis | <0.0001 | Yes | 5 | 3 | 3 |
| MS 1%; C vs M | Dunn's | <0.0001 | Yes | 5 | 3 | |
| MS 1%; C vs H | Dunn's | <0.0001 | Yes | 5 | 3 | |
| MS 1%; H vs M | Dunn's | 0.0391 | Yes | 3 | 3 | |
| PA all groups | Kruskal--Wallis | <0.0001 | Yes | 4 | 5 | 7 |
| PA; C vs M | Dunn's | <0.0001 | Yes | 4 | 5 | |
| PA; C vs H | Dunn's | <0.0001 | Yes | 4 | 7 | |
| PA; H vs M | Dunn's | 0.0908 | No | 5 | 7 | |
| THA all groups | Kruskal--Wallis | 0.0028 | Yes | 5 | 5 | 4 |
| THA; C vs M | Dunn's | >0.9999 | No | 5 | 5 | |
| THA; C vs H | Dunn's | 0.0234 | Yes | 5 | 4 | |
| THA; H vs M | Dunn's | 0.0071 | Yes | 5 | 4 | |
| MS 5%; all groups | Kruskal--Wallis | <0.0001 | Yes | 4 | 6 | 5 |
| MS 5%; C vs M | Dunn's | <0.0001 | Yes | 4 | 6 | |
| MS 5%; C vs H | Dunn's | 0.0001 | Yes | 4 | 5 | |
| MS 5%; H vs M | Dunn's | 0.4328 | No | 6 | 5 | |
| MS 10%; all groups | Kruskal--Wallis | 0.0731 | No | 5 | 5 | 4 |
| MS 10%; C vs M | Dunn's | >0.9999 | No | 5 | 5 | |
| MS 10%; C vs H | Dunn's | 0.1503 | No | 5 | 4 | |
| MS 10%; H vs M | Dunn's | 0.1864 | No | 5 | 4 | |
| IAA 5%; all groups | Kruskal--Wallis | 0.1561 | No | 7 | 7 | 6 |
| IAA 5%; C vs M | Dunn's | 0.3965 | No | 7 | 7 | |
| IAA 5%; C vs H | Dunn's | 0.1912 | No | 7 | 6 | |
| IAA 5%; H vs M | Dunn's | >0.9999 | No | 7 | 6 | |
| IAA 10%; all groups | Kruskal--Wallis | 0.3245 | No | 10 | 9 | 9 |
| IAA 10%; C vs M | Dunn's | 0.6739 | No | 10 | 9 | |
| IAA 10%; C vs H | Dunn's | 0.4643 | No | 10 | 9 | |
| IAA 10%; H vs M | Dunn's | >0.9999 | No | 9 | 9 | |
| Hexanal 5%; all groups | Kruskal--Wallis | <0.0001 | Yes | 12 | 12 | 12 |
| Hexanal 5%; C vs M | Dunn's | >0.9999 | No | 12 | 12 | |
| Hexanal 5%; C vs H | Dunn's | 0.0012 | Yes | 12 | 12 | |
| Hexanal 5%; H vs M | Dunn's | <0.0001 | Yes | 12 | 12 | |
| Hexanal 10%; all groups | Kruskal--Wallis | <0.0001 | Yes | 9 | 12 | 9 |
| Hexanal 10%; C vs M | Dunn's | <0.0001 | Yes | 9 | 12 | |
| Hexanal 10%; C vs H | Dunn's | 0.7317 | No | 9 | 9 | |
| Hexanal 10%; H vs M | Dunn's | <0.0001 | Yes | 12 | 9 |
Statistical test results of odor ranks between control, mint-, and hexanal-exposed groups. Data shown in Figure 7.