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Table 4 Multivariate analyses of variables associated with costs of health care (p < 0.20) in bivariate analysis.

From: How does comorbidity affect cost of health care in patients with irritable bowel syndrome? A cohort study in general practice

Costs

Age

Gender

Organic diseases

Somatic symptoms

Mood disorder

IBS symptom score

Alcohol use

Costs for consultations

ns

ns

β = 0.133

p = 0.002

ns

ns

ns

ns

Costs for hospitalisations

ns

ns

β = 0.184

p = 0.031

ns

ns

ns

β = 0.915

p = 0.025

Costs for medications

β = 0.032

p = 0.001

ns

ns

β = 0.031

p = 0.002

ns

ns

ns

Costs for alternative products

β = 0.013

p = 0.052

ns

ns

ns

β = 0.484

p = 0.004

ns

ns

Total costs

β = 0.013

p = 0.008

ns

β = 0.090

p = 0.047

β = 0.021

p = 0.034

ns

ns

ns

Total costs for

IBS

ns

ns

ns

ns

ns

ns

ns

  1. Results are given as β and p-values if statistically significant associations were found (p < 0.05) or as non-significant (ns).