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Table 4 Results from regression models showing effects of covariates on self-reported health measures

From: The relationships between IBS and perceptions of physical and mental health—a Norwegian twin study

Measure

Physical SRH

Mental SRH

m0

m1

m2

m3

m4

m5

m0

m1

m2

m3

m4

m5

Age

1.26***

0.97

0.99

0.98

0.90*

0.96

0.99

0.77***

0.77***

0.77***

0.74***

0.90

Sex

1.30**

1.08

1.01

0.94

0.98

0.90

1.43

1.17

1.09

1.05

1.06

0.77

Income

 

0.76***

0.79***

0.78***

0.78***

0.84***

 

0.71***

0.72***

0.73***

0.73***

0.89*

Education

 

0.74***

0.78***

0.79***

0.80**

0.86*

 

0.82*

0.84*

0.87

0.87

1.12

IBS

  

2.59***

2.41***

2.33***

1.82***

  

2.45***

2.16***

2.10***

1.12

Pain

   

2.82***

2.72***

2.50***

   

1.93***

1.88***

1.62**

Somatic

    

2.55***

2.41***

    

1.42**

1.09

CESD

     

1.06***

     

1.16***

PSS

     

1.04**

     

1.15***

Measure

Physical health hinders activities

Mental health hinders activities

m0

m1

m2

m3

m4

m5

m0

m1

m2

m3

m4

m5

Age

1.15**

0.91*

0.90

0.91

0.854***

0.90*

1.17

0.87*

0.88

0.89

0.85*

1.08

Sex

1.37***

1.16

1.14

1.05

1.08

0.99

1.26

1.06

0.98

0.94

0.95

0.70*

Income

–

0.78***

0.76***

0.79***

0.80***

0.87***

–

0.70***

0.71***

0.72***

0.73***

0.88**

Education

–

0.74***

0.69***

0.78***

0.79***

0.84*

–

0.83*

0.84

0.87

0.88

1.08

IBS

–

–

2.33***

1.71***

1.63***

1.23

–

–

2.83***

2.48***

2.40***

1.45*

Pain

–

–

–

2.62***

2.52***

2.34***

–

–

–

2.02***

1.97***

1.69***

Somatic

–

–

–

–

2.31***

2.16***

–

–

–

–

1.56*

1.26

CESD

–

–

–

–

–

1.07***

–

–

–

–

–

1.14***

PSS

–

–

–

–

–

1.03*

–

–

–

–

–

1.12***

  1. OR’s larger than 1 reflect increased odds for ‘poor’ SRH and ‘a lot’/’very much’ hindrance of activities
  2. ***p < 0.001; **p < 0.01; *p < 0.05
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BMC Gastroenterology

ISSN: 1471-230X

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