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Table 4 Multiple linear regression analysis assessing the relationship between socio-demographic variables, clinical status and the SF-36 health status domains among the arrhythmia risk patients*

From: Health status in patients at risk of inherited arrhythmias and sudden unexpected death compared to the general population

SF-36 Health status domains

Socio-demographic variables and clinical status

β

Standard error

p-value

R 2

Physical functioning

Age

-0.3

0.08

<0.001

0.518

 

Employment

12.7

2.64

<0.001

 
 

Heart disease in family

-8.2

2.86

0.005

 
 

Referral

-8.9

2.84

0.002

 

Role physical

Age

-0.5

0.19

0.013

0.390

 

Employment

27.8

6.55

<0.001

 
 

Genetic testing in family

7.1

4.19

0.095

 
 

Referral

-22.6

7.94

0.005

 

Bodily pain

Sex

13.3

4.40

0.003

0.326

 

Employment

13.4

4.89

0.008

 
 

Education status

6.8

3.15

0.032

 
 

Sudden death in the family

8.7

4.45

0.054

 
 

Referral

-22.7

4.98

<0.001

 

General health

Employment

17.5

3.77

<0.001

0.391

 

Education status

4.4

2.43

0.073

 
 

Heart disease in the family

-8.0

4.05

0.052

 
 

Referral

-14.8

4.10

0.001

 

Vitality

Sex

10.0

4.44

0.027

0.302

 

Employment

11.8

4.95

0.019

 
 

Education status

11.0

3.19

0.001

 
 

Referral

-18.2

5.05

0.001

 

Social functioning

Employment

12.1

4.22

0.005

0.379

 

Education status

10.6

2.72

<0.001

 
 

Referral

-20.3

4.30

<0.001

 

Role emotional

Employment

33.3

7.07

<0.001

0.320

 

Referral

-31.2

7.39

<0.001

 

Mental health

Sex

8.4

3.52

0.019

0.316

 

Children

-7.5

4.49

0.097

 
 

Education status

11.5

2.42

<0.001

 
 

Referral

-20.9

3.47

0.001

 
 

Clinical status

7.2

5.84

0.040

 
  1. *Model developed from backward stepwise selection of all socio-demographic and clinical predictors from the fully adjusted model fulfilling the inclusion criteria with p = 0.05 and exclusion criteria with p > 0.1 reported with unstandardised coefficients (β), standard error, p-values (p) and Adjusted R Square (R 2). Coding of the independent variables: sex; female = 0, male = 1, children; no = 0, yes = 1, employment; no = 0, yes = 1, education status; primary school = 1, high school = 2, college/university = 3, heart disease in family; LQTS = 1, HCM = 2, sudden death in family; no = 0, yes = 1, genetic testing in family; no = 0, yes = 1, referral; by family member = 0, by physician = 1, clinical status; family risk = 0, LQTS = 1, HCM = 2. Age was treated as continuous. The dependent variables: The SF-36 health status domains were treated as continuous (0-100).