Table 3 Ordinal regression modeling of variables reflecting the utilization of healthcare services and alternative medicine

Age

1.00 (0.99-1.01)

0.99 (0.985-0.998)

1.02 (1.01-1.02)

0.98 (0.98-0.99)

0.98 (0.97-0.99)

0.99 (0.98-1.00)

CSS score

1.01 (1.001-1.012)

1.01 (1.00-1.01)

1.00 (1.00-1.017)

1.01 (1.01-1.02)

1.02 (1.01-1.02)

1.02 (1.01-1.03)

SHAI_IL (illness likelihood)

1.07 (1.05-1.09)

1.05 (1.03-1.08)

1.08 (1.06-1.10)

1.04 (1.021-1.06)

1.04 (1.01-1.06)

1.02 (0.99-1.04)

SHAI-NC (negative consequences)

0.89 (0.85-0.94)

0.94 (0.90-0.98)

0.92 (0.88-0.97)

0.98 (0.93-1.03)

0.97 (0.92-1.02)

1.03 (0.97-1.10)

Gender

male#

female

1.11 (0.92-1.33)

1.44 (1.20-1.73)

1.27 (1.06-1.52)

1.12 (0.89-1.41)

0.84 (0.67-1.04)

1.01 (0.76-1.32)

Presence of chronic disease(s)

yes#

no

0.35 (0.28-0.44)

0.30 (0.24-0.37)

0.31 (0.25-0.38)

0.53 (0.41-0.69)

0.64 (0.50-0.82)

0.68 (0.49-0.93)

Unexplained symptoms

yes#

no

0.72 (0.56-0,92)

0.80 (0.63-1.02)

0.74 (0.59-0.94)

0.99 (0.75-1.30)

0.73 (0.56-0.95)

0.92 (0.66-1.28)

Disabilities

yes#

no

0.85 (0.62-1.18)

0.58 (0.42-0.80)

1.04 (0.77-1.40)

0.43 (0.31-0.60)

0.50 (0.36-0.70)

0.77 (0.51-1.17)

Model fitting

chi²

278.40

331.93

376.93

149.29

162.23

74.10

p-value

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

Goodness of fit test

Pearson chi²

4942.74

4853.83,

4915.53

3103.98

3119.39

3237.05

pvalue

0.122

0.394

0.186

0.920

0.887

0.389

Model summary

Nagelkerke R²

0.17

0.20

0.22

0.11

0.12

0.07

Parallel lines test

chi²

19.84

22.33

26.83

15.25

17.56

10.86

p-value

0.228

0.133

0.043

0.054

0.025

0.210