Skip to main content

Table 4 List of the 18 items on autonomic regulation with the relevant factor loading (r>0.35 in bold and minor co-loading in standard letters), α-if item deleted, item-subscale correlation, internal consistency (Cronbachs-α) and test-retest reliability, mean of items and subscales with standard deviation (SD)

From: Validation of a questionnaire measuring the regulation of autonomic function

Items

Factor 1

Factor 2

Factor 3

α-if item deleted subscales

Item-subscale Correlation

Cronbach-α/Test-retest

Mean (SD)

dizzy spells

0.708

0.225

-0.034

0.661

0.564

 

2.49 (0.60)

dizziness when looking down

0.593

0.117

0.075

0.684

0.451

 

2.18 (0.78)

dizziness when getting up in the morning

0.634

0.336

-0.058

0.670

0.520

 

2.50 (0.62)

dizziness when straighten up or bend down?

0.675

0.274

-0.083

0.662

0.553

 

2.25 (0.63)

cold or cold-sweaty hands

0.409

0.075

0.075

0.735

0.248

 

2.48 (0.75)

travel sickness

0.505

-0.143

0.023

0.716

0.316

 

2.51 (0.69)

dizzy from circular motions

0.607

0.063

0.091

0.687

0.443

 

1.88 (0.81)

Orthostatic-circulatory regulation

     

r α = 0.733/r rt = 0.819

16.28 (3.05)

pulling together to go to work

0.108

0.601

-0.097

0.614

0.390

 

2.39 (0.64)

rested in the morning

-0.005

0.700

-0.001

0.598

0.440

 

2.39 (0.74)

problems falling asleep

0.105

0.548

0.244

0.606

0.408

 

2.36 (0.77)

tend to sweat

0.130

0.416

0.037

0.630

0.315

 

2.14 (0.77)

suffering from disturbed sleep

0.119

0.636

0.132

0.588

0.472

 

2.18 (0.77)

time of the day feeling most comfortably

-0.072

0.351

-0.090

0.677

0.166

 

2.07 (0.89)

sweat at night

0.175

0.447

0.112

0.619

0.359

 

2.47 (0.72)

stomach growling

0.198

0.405

-0.080

0.643

0.261

 

2.30 (0.70)

Rest/activity regulation

     

r α = 0.661/r rt = 0.767

18.25 (3.34)

bowel movements frequency

0.016

0.005

0.765

0.535

0.453

 

2.07 (0.58)

bowel movements regularly

0.001

0.011

0.713

0.608

0.409

 

2.49 (0.72)

constipation

0.223

0.175

0.756

0.480

0.490

 

2.67 (0.60)

Digestive regulation

     

r α = 0.645/r rt = 0.704

7.24 (1.46)

Total aR-scale

     

r α = 0.751/r rt = 0.851

41.79 (5.80)

  1. (coefficients with p < 0.05 are presented in bold letters, p > 0.05 in standard letters)