Skip to main content
. 2022 Oct 13;12:17165. doi: 10.1038/s41598-022-21371-5

Table 2.

Descriptive statistics of participants’ performance in four different odor conditions in all the presented tests during the three sessions.

Variable Odor condition
Session Placebo Orange “Perfume” Laurinal
M SD M SD M SD M SD
Olfactory testing (Sniffin’Sticks)
Odor Threshold First 7.5 2 6.7 2.3 6.1 2.4 6.1 3.4
Second 7.3 2.5 6.5 2.5 7 2.7 7.5 4.1
Third
Identification First 14.2 1.1 14.2 1.2 13.8 1.3 13.6 1
Second 14.6 1.1 13.9 1.2 14.2 1.5 13.9 1.2
Third
Discrimination First 13.7 1.6 13.3 1.5 13.3 1.7 13 1.8
Total assessment of olfactory functions First 35.4 2.8 34.2 3.6 33.2 3.7 32.6 4.1
Significance of olfaction First 36.8 7.2 32.3 6.8 34.9 5.9 33.2 5.3
Second 35.9 6.7 32.8 6.2 34.2 6 31.7 6.2
Third 35.8 7.1 32.5 6.1 34.1 6.8 32 7.4
Cognitive testing
Executive control (Trail Making Test, part B) First 50.1 20.9 47.3 10.6 50.3 19.7 57 21.5
Second 40 16 46.6 29.2 41.8 24.2 43.6 15.6
Third 36.9 15.4 38.6 17.8 40 21.8 39.3 11.8
 Spatial spans (Corsi Block tapping Test) First 6 1.6 6.5 1.3 6.2 1.6 6.3 1.4
Second 6.3 1.5 6.3 1.3 6.4 1.6 6.4 1.4
Third 6.3 1.3 6.6 1.3 6.7 1.6 6.2 1.5
Non-cognitive tests
Anxiety (HADSA) First 5.1 3.2 5.4 2.6 4.9 3 6.3 2.8
Second 4.6 3 5.7 3.7 4.7 3.4 6.3 3.2
Third 5.2 3.7 5.7 2.9 4.2 3.2 6.8 4.1
Depression (HADSD) First 2.1 2.3 2.9 2.2 2.4 2.7 3.1 2.2
Second 2.4 2.7 2.8 2 2 2.6 3.8 2.7
Third 2.3 2.7 2.9 2.1 2 2 4.5 3.6
Personality (NEO Five Factor Inventory)
 Neuroticism First 17.6 8.1 19 7.7 19 7.5 21.3 7
 Extraversion First 29.3 6 29.4 5.5 29.7 5.6 28.8 5.7
 Openness First 32.5 5.9 30.7 6.3 31.6 6.8 29.3 6.1
 Agreeableness First 32.8 5.7 31.6 5.1 34.1 5 32 6.3
 Conscientiousness First 35.5 5.1 33.7 7.3 34.7 6.7 33.8 6