Table 4: Effect of watching the ASMR video, pre-intervention anxiety, trait anxiety, age, sex, type of surgery, and time of surgery on post-intervention anxiety [mean (95% confidence interval)].

Post-intervention STAI-S

P-value

Post-intervention VAS

P value

Post-intervention APAIS

P value

ASMR group (vs. control group)

1.2 (-4.1, 6.6)

0.65

2.8 (-3.1, 8.8)

0.34

2.5 (-3.4, 8.3)

0.40

Pre-intervention anxiety (per every 10 points)

7.2 (2.8, 11.5)

0.002

0.5 (-1.3, 2.3)

0.61

6.7 (-1.7, 1.5)

0.12

STAI-T (per every 10 points)

0.8 (-4.1, 5.8)

0.74

7.0 (3.3, 10.7)

<0.0005

5.6 (1.6, 9.6)

0.007

Age (per 10 years)

0.2 (-1.6, 2.0)

0.83

0.1 (-2.0, 2.2)

0.94

-0.1 (-2.1, 1.8)

0.89

Male

-4.3 (-10.6, 2.0)

0.18

-6.7 (-14.1, 0.6)

0.07

-7.1 (-13.7, -0.5)

0.04

Surgery type

0.32

 

0.25

 

0.18

ENT

1.0 (referent)

1.0 (referent)

 

1.0 (referent)

 

Ortho

4.2 (-4.0, 12.5)

0.31

7.4 (-1.7, 16.6)

0.11

8.1 (-0.8, 17.0)

0.07

Uro

4.9 (-4.2, 14.0)

0.28

-1.1 (-11.3, 9.2)

0.83

-0.8 (-10.5, 8.8)

0.86

Other

-1.4 (-10.1, 7.3)

0.75

3.5 (-6.8, 13.8)

0.50

4.0 (-6.0, 13.9)

0.43

Time of surgery (%)

0.98

 

0.33

 

0.27

11:00-13:59

1.0 (referent)

1.0 (referent)

 

1.0 (referent)

 

14:00-17:00

0.08 (-6.3, 6.5)

-3.4 (-10.4, 3.6)

 

-3.6 (-10.2, 2.9)

 

ASMR: Autonomous Sensory Meridian Response; BP: Blood Pressure; VAAS: Visual Analogue Scale; APAIS: Amsterdam Pre-operative Anxiety and Information Scale; STAI-S: State Anxiety.