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Table 3 The results of linear regression estimation to determine the impact of chronic diseases on HRQoL

From: The impact of common chronic conditions on health-related quality of life: a general population survey in Iran using EQ-5D-5L

Independent variable

Dependent variable: quality of life score

Model 1: EQ-5D-5 L utility scores

Model 2: EQ_VAS scores

Coefficient

Robust SE

Coefficient

Robust SE

Gender (female)

 − 0.024*

0.009

 − 0.40

1.01

Age (year)

 − 0.002*

0.000

 − 0.16*

0.03

Years of schooling

0.003*

0.001

0.33*

0.08

Employment status

Employed

Ref

 

Ref

 

Student

 − 0.007

0.010

1.25

1.30

Home maker

 − 0.028*

0.010

 − 1.92

1.17

Retired

0.015

0.010

3.04*

1.25

Unemployed

 − 0.018

0.015

1.36

1.92

Others

 − 0.091*

0.042

 − 10.56

6.01

Marital status

Never married

Ref

 

Ref

 

Married

 − 0.010

0.008

 − 0.47

1.07

Divorce or widowed

 − 0.046*

0.016

 − 5.79*

2.11

Anxiety/nerves

 − 0.078*

0.011

 − 7.09*

1.53

Osteoarthritis

 − 0.108*

0.010

 − 5.68*

1.41

Heart disease

 − 0.067*

0.012

 − 7.20*

1.50

Hypertension

 − 0.054*

0.012

 − 4.79*

1.65

Diabetes

 − 0.052*

0.014

 − 7.55*

1.78

Insomnia

 − 0.022

0.014

 − 2.43

1.88

Depression

− 0.074*

0.013

− 6.78*

2.10

Breathing problems

− 0.087*

0.022

− 7.80*

2.49

Lumbar disc hernia

− 0.133*

0.025

− 8.45*

3.03

Digestive diseases

− 0.109*

0.029

− 12.42*

3.46

Cancer

− 0.177*

0.058

− 17.31*

7.17

Stroke

− 0.204*

0.036

− 18.11*

3.44

Thyroid disease

− 0.045

0.034

1.09

5.27

Other

− 0.097*

0.016

− 10.01*

1.97

Intercept

0.938*

0.018

80.29*

2.20

Number of observations

3041

3024

Adjusted R2

0.307

0.199

F statistic

57.35*

25.22*

  1. *Significant at P < 0.05