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Table 6 Ordinary least squares regression results of ICECAP-A and EQ-5D-3L on socio-demographic characteristics and clinic conditions

From: Assessing the reliability and validity of the ICECAP-A instrument in Chinese type 2 diabetes patients

Variables

ICECAP-A

EQ-5D-3L

EQ-VAS

 
 

Coef.

S.E.

Coef.

S.E.

Coef.

S.E.

Pannel A: Socio-demographic characteristics

Gender (reference = Male)

  Female

0.003

0.009

−0.005

0.007

1.225

0.886

  Age

−0.001

0.001

−0.001**

0.000

−0.131**

0.051

Marital Status (reference = Married)

  Other marital status

0.003

0.016

−0.016

0.019

0.414

1.567

Monthly income per capita (reference = < ¥1000)

 ¥1001–¥2000

0.050**

0.024

−0.023

0.020

7.515**

3.122

 ¥2001–¥3000

0.025

0.027

0.006

0.020

8.746**

3.416

 ¥3001–¥4000

0.015

0.028

0.003

0.020

8.837**

3.602

 >¥4000

−0.013

0.031

−0.019

0.027

8.805**

3.732

Education (referent = Primary school or below)

 Middle School

0.032**

0.016

0.009

0.015

1.798

1.491

 High or profession school

0.035**

0.016

0.009

0.016

1.349

1.629

 College and above

0.052**

0.019

0.021

0.018

3.660**

1.692

Working status (reference = Working)

 Leisure

−0.002

0.015

−0.02*

0.012

−0.273

1.288

 Other status

−0.035**

0.012

0.002

0.010

−1.720

1.096

Health insurance (referent = No insurance)

 Government medical insurance

−0.025

0.055

−0.028

0.049

−1.982

4.821

 Urban employee medical insurance

−0.029

0.032

−0.031

0.035

2.576

2.056

 Urban resident medical insurance

−0.091

0.050

−0.014

0.035

−0.567

2.570

 New cooperative medical insurance

0.024

0.039

−0.012

0.041

−1.985

3.506

Income source (referent = Salary)

 Agriculture production or business

−0.069**

0.026

−0.012

0.019

−12.583**

3.597

 Other income source

−0.113**

0.029

−0.002

0.023

−12.489**

3.717

 Unknown

−0.113**

0.025

−0.027

0.018

−10.919**

3.445

Pannel B: Clinic conditions

Self-reported happiness(referent = Fairly unhappy)

  Fairly happy

0.404**

0.034

0.071**

0.036

21.296**

3.163

  Very happy

0.400**

0.033

0.076**

0.032

20.796**

3.100

Self-reported health status(referent = Poor health)

  Fair health

0.086**

0.044

0.007

0.049

8.977**

5.032

  Good health

0.093**

0.044

0.024

0.048

13.261**

4.963

Number of other chronic diseases (reference = No other chronic diseases)

 One

0.011

0.011

0.014

0.010

−0.875

0.916

 Two or above

−0.013

0.013

−0.001

0.009

−2.366*

1.112

Number of complications (reference = No complication)

 One

−0.006

0.012

0.004

0.008

−1.851*

1.797

 Two or above

0.017

0.019

−0.022

0.018

−2.375

1.920

FPG (referent = 6.1–7.0 mmol/L)

  < 6.1 mmol/L

−0.002

0.016

−0.005

0.012

−4.403**

1.442

 6.1–7.0 mmol/L

0.003

0.013

0.005

0.007

−0.787

0.953

PG2H (referent = < 7.8 mmol/L)

 7.8 ~ 11.1 mmol/L

−0.002

0.013

−0.008

0.012

−2.349

1.708

 ≥ 11.1 mmol/L

−0.010

0.011

−0.003

0.007

0.162

0.918

HbA1c (referent = < 6.5%)

≥6.5%

0.018*

0.011

−0.006

0.011

1.001

1.117

R2

0.224

 

0.137

 

0.367

 

N

426

 

426

 

423

 
  1. Coef. coefficient, S.E. standard error
  2. *significant at the 10% level; **significant at the 5% level