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Table 1 Characteristics of respondents and EQ-5D-5L and SF-6Dv2 utility values (N = 19,177)

From: Comparison of the measurement properties of SF-6Dv2 and EQ-5D-5L in a Chinese population health survey

Characteristics

Population

N (%)

Gender

 Male

9453 (49.3%)

 Female

9724 (50.7%)

Ethnic group

 Han Chinese

18,862 (98.4%)

 Others

315 (1.6%)

Age (mean[SD])

55.2 (16.2)

Age group (years)

 18–29

1655 (8.6%)

 30–39

2319 (12.1%)

 40–49

2317 (12.1%)

 50–59

3615 (18.9%)

 60–69

5830 (30.4%)

 ≥ 70

3441 (17.9%)

BMIa (mean[SD])

24.4 (3.5)

BMI groupb

 < 18.5 (thin)

551 (2.9%)

 18.5–24 (normal)

8549 (44.6%)

 24–28 (overweight)

7470 (38.9%)

 ≥ 28 (obese)

2607 (13.6%)

Basic medical insurance

 Urban employee

9394 (49.0%)

 Urban and rural resident

9447 (49.3%)

 No

336 (1.7%)

Recipients of medical assistance

 Yes

391 (2.0%)

 No

18,786 (98.0%)

Marital status

 Unmarried

1736 (9.1%)

 Married

15,833 (82.6%)

 Widowed

1285 (6.7%)

 Divorced

323 (1.6%)

Education

 Primary or below

4385 (22.9%)

 Junior high school

7365 (38.4%)

 Senior high school

3923 (20.5%)

 College or above

3504 (18.2%)

Employment status

 Employed

7035 (36.7%)

 Retired

6279 (32.7%)

 Student

429 (2.2%)

 Unemployed

5434 (28.4%)

Health records

 Yes

15,545 (81.1%)

 No

3632 (18.9%)

Health examination

 Yes

11,964 (62.4%)

 No

7213 (37.6%)

Hypertension

 Yes

6806 (35.5%)

 No

12,371 (64.5%)

Diabetes

 Yes

2586 (13.5%)

 No

16,591 (86.5%)

Other chronic diseases

 Yes

1082 (5.6%)

 No

18,095 (94.4%)

Number of illnesses in 2 weeks

 0

17,523 (91.4%)

 1

1377 (7.2%)

 2 or more

277 (1.4%)

Hospitalizations in 12 months

 Yes

733 (3.8%)

 No

18,444 (96.2%)

EQ-5D-5L utility (mean [SD])

0.939 (0.168)

SF-6Dv2 utility (mean [SD])

0.872 (0.184)

EQ VAS score (mean [SD])

84.4 (14.0)

EQ VAS group

 ≥ 90 (excellent)

10,243 (53.4%)

 80–89 (good)

5037 (26.3%)

 65–79 (fair)

2217 (11.5%)

 < 65 (bad)

1680 (8.8%)

  1. SD Standard deviation
  2. aBMI body mass index, equals weight(kg) divided by height(m) squared
  3. bBMI groups were defined according to the guideline published by the Cooperative Meta-analysis Group of China Obesity Task Force in 2002 [66]