Table 5 Multiple linear regression analyses for utility difference between the EQ-5D and SF-6D

Age

?0.001 (?0.003, 0.001)

0.089

Male

?0.010 (?0.033, 0.014)

0.419

High school

0.014 (?0.026, 0.054)

0.491

Middle school

0.034 (?0.007, 0.075)

0.105

Primary and below

0.028 (?0.016, 0.072)

0.211

Working status (vs. working)

Retired

0.006 (?0.033, 0.046)

0.752

Others

0.006 (?0.044, 0.056)

0.807

Marriage status (vs. married)

Single

0.042 (0.172, 0.088)

0.525

Divorced/ Widowed

0.004 (0.034, 0.026)

0.770

<4500

0.018 (?0.042, 0.008)

0.173

BMI

0.001 (0.004, 0.002)

0.453

Presence of acute medical condition (vs. none)

0.043 (0.011, 0.075)*

0.008

Hypertension (vs. none)

0.022 (0.001, 0.045)

0.065

Diabetes mellitus (vs. none)

0.002 (0.027, 0.024)

0.897

Hyperlipidemia (vs. none)

0.011 (?0.038, 0.017)

0.439

Years with CAD

0.001 (?0.001, 0.002)

0.471

Patient sources (vs. Home)

Inpatients

0.072 (0.032, 0.113)***

0.001

Outpatients

0.042 (0.009, 0.075)**

0.014

SAQ

Physical limitation

0.0007 (?0.0002, 0.002)

0.158

Angina stability

0.0003 (?0.0001, 0.0008)

0.129

Angina frequency

0.00001 (?0.0005, 0.001)

0.964

Treatment satisfaction

0.0003 (0.001, 0.001)

0.516

Disease perception

0.0003 (0.001, 0.001)

0.518

EQ-VAS

0.001 (0.00005, 0.002)*

0.040

R ²

0.119

0.001