Table 5 The frequency of behaviour categorised as maintenance of hygiene in response to the test sounds (means ± SD)
Phase | Volcano (Volcanic eruption sound) | Thunder (Thunderclap sound) | Sea storm (The sound of roaring waves and the wind during a sea storm) |
|---|---|---|---|
Rubbing against objects and Scratching against an object | |||
Before | 1.31 ± 0.63 ax | 0.54 ± 0.52 ay | 0.00 ± 0.00 az |
During | 1.15 ± 0.90 ax | 0.38 ± 0.65 ax | 0.00 ± 0.00 ay |
After | 1.23 ± 0.75 ax | 2.00 ± 1.22 bx | 0.00 ± 0.00 ay |
Autogrooming or allogrooming | |||
Before | 0.54 ± 0.52 ax | 0.00 ± 0.00 ay | 0.00 ± 0.00 ay |
During | 0.23 ± 0.43 ax | 0.00 ± 0.00 ay | 0.00 ± 0.00 ay |
After | 0.31 ± 0.48 ax | 0.31 ± 0.48 ax | 0.00 ± 0.00 ay |
Rolling on the ground | |||
Before | 2.54 ± 0.97 ax | 0.54 ± 0.52 ay | 0.53 ± 0.52 ay |
During | 1.46 ± 0.78 bx | 0.00 ± 0.00 by | 0.00 ± 0.00 by |
After | 0.92 ± 0.64 bx | 0.46 ± 0.51 ay | 0.54 ± 0.52 ay |