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Table 1 General characteristics of the 17,937 participants aged over 50 years

From: Factors associated with health-related quality of life in Koreans aged over 50 Years: the fourth and fifth Korea National Health and Nutrition Examination Survey

 

Total (n = 17,937)

Male (n = 7627)

Female (n = 10,310)

P-values

EQ-5D index

0.90 ± 0.00

0.93 ± 0.00

0.87 ± 0.00

0.00*

Age (n (%))

 50–59 years

6441 (46.8%)

2733 (50.6%)

3708 (43.5%)

0.00*

 60–69 years

5936 (28.2%)

2619 (28.9%)

3317 (27.7%)

 70+ years

5560 (25%)

2275 (20.6%)

3285 (28.8%)

BMI (n (%))

 Low

563 (2.8%)

296 (3.3%)

267 (2.4%)

0.00*

 Normal

10,986 (61.3%)

4904 (63.4%)

6082 (59.5%)

 Obesity

6291 (35.9%)

2381 (33.4%)

3910 (38.1%)

Educational level (n (%))

 Elementary school

9165 (48.5%)

2682 (33.0%)

6483 (61.9%)

0.00*

 Middle school

2895 (18.2%)

1453 (20.8%)

1442 (15.9%)

 High school

3548 (22.4%)

1979 (28.6%)

1569 (17.0%)

 College

1802 (10.9%)

1278 (17.5%)

524 (5.2%)

Household net income (n (%))

 Low

5912 (29.6%)

2212 (25%)

3700 (33.7%)

0.00*

 Low to mid

4579 (26.3%)

1988 (26.3%)

2591 (26.4%)

 Mid to high

3437 (21.1%)

1560 (22.6%)

1877 (19.9%)

 High

3552 (22.9%)

1683 (26.2%)

1869 (20.1%)

Residential area, City (n (%))

7435 (44.6%)

3154 (44.7%)

4281 (44.6%)

0.94

Current marital status, married (n (%))

13,495 (77.3%)

6918 (91.9%)

6577 (64.9%)

0.00*

Employed (n (%))

8700 (53.7%)

4679 (68.1%)

4021 (41.3%)

0.00*

Smoking (n (%))

2822 (19.2%)

2392 (35.8%)

430 (4.9%)

0.00*

DM (n (%))

6631 (41.7%)

3246 (46.9%)

3385 (37.2%)

0.00*

HBP (n (%))

13,073 (74.2%)

5683 (76.2%)

7390 (72.5%)

0.00*

CAD (n (%))

885 (4.7%)

431 (5.1%)

454 (4.3%)

0.04*

Dyslipidaemia (n (%))

2733 (15.5%)

939 (13%)

1794 (17.7%)

0.00*

Stroke (n (%))

726 (3.7%)

368 (4.1%)

358 (3.3%)

0.02*

CRD (n (%))

126 (0.7%)

47 (0.6%)

79 (0.8%)

0.24

Arthritis (n (%))

5384 (27.9%)

1113 (13.6%)

4271 (40.2%)

0.00*

Cancer (n (%))

939 (21.9%)

378 (19.4%)

561 (24%)

0.00*

Depression (n (%))

3036 (16.6%)

689 (9.3%)

2347 (22.8%)

0.00*

  1. Values (n (%)) are the number and the percentage of participants
  2. T-test/Chi-square test and P-value (*P < 0.05) for group differences between the male and female group
  3. DM: diabetes mellitus; HBP: hypertension; CAD: coronary artery disease (including myocardial infarction or angina pectoris); CRD: chronic renal disease