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Table 5 Multiple linear regression on the MDASI sum score with age, sex, education, comorbidity and depression as explanatory variables (N = 2021)

From: Symptoms in the general Norwegian adult population - prevalence and associated factors

 

MDASI sum scorea

Adjusted R2 = 0.45

B

95% CI

p

Age groups

  

0.446

 18–29 years

0.397

−2.761, 3.555

0.805

 30–39 years

−0.449

−2.985, 2.087

0.728

 40–49 years

− 1.214

−3.318, 0.890

0.258

 50–59 years

0.735

−1.244, 2.715

0.466

 60–69 years

0.292

−1.583, 2.167

0.760

 70–80 years (ref)

  

Sex

  

0.109

 Women

0.99

−0.222, 2.202

0.109

 Men (ref)

  

Education

  

0.002

 Elementary and/or primary school

2.591

0.759, 4.423

0.006

 Second level (high school)

2.029

0.695, 3.363

0.003

 Third level (university or university college) (ref)

  

Comorbidities

  

0.000

 0 (ref)

  

 1–2

3.452

2.116, 4.789

0.000

 ≥3

10.693

8.627, 12.760

0.000

Depression

  

0.000

 PHQ score

4.685

4.412, 4.958

0.000

  1. aDemographic and disease-related variables that were significantly correlated with MDASI sum score in the univariable analyses were entered as covariates