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Table 1 Sociodemographic characteristics of the study population, by sex, SAGE China Wave 1

From: Association between anemia and frailty in 13,175 community-dwelling adults aged 50 years and older in China

 

Men(n = 6171)

Women(n = 7004)

Total(n = 13,175)

n

%

N

%

n

%

N

%

n

%

N

%

(Weighted)

(Weighted)

(Weighted)

(Weighted)

(Weighted)

(Weighted)

Mean age (SE)

63.2

−0.1

62.1

−0.2

63.1

−0.1

63

−0.2

63.2

−0.1

62.6

−0.2

Age

 50–59

2636

42.7

3061

46.8

3065

43.8

2851

43.1

5701

43.3

5912

44.9

 60–69

1868

30.3

2132

32.6

2058

29.4

2061

31.2

3926

29.8

4192

31.9

 70–79

1319

21.4

1091

16.7

1453

20.7

1356

20.5

2772

21

2447

18.6

 80+

348

5.6

262

4

428

6.1

343

5.2

776

5.9

606

4.6

Residence

 Urban

2846

46.1

2876

43.9

3582

51.1

3353

50.7

6428

48.8

6229

47.3

 Rural

3325

53.9

3670

56.1

3422

48.9

3258

49.3

6747

51.2

6928

52.7

Education

 No formal education

898

14.6

858

13.1

2451

35

2178

32.9

3349

25.4

3036

23.1

 Less than primary

1107

17.9

1207

18.4

1241

17.7

1285

19.4

2348

17.8

2492

18.9

 Primary school completed

1435

23.3

1602

24.5

1157

16.5

1163

17.6

2592

19.7

2766

21.0

 Secondary school completed

1414

22.9

1528

23.3

1195

17.1

1084

16.4

2609

19.8

2612

19.9

 High school completed

916

14.8

952

14.6

764

10.9

708

10.7

1680

12.8

1660

12.6

 College completed and above

401

6.5

399

6.1

196

2.8

193

2.9

597

4.5

592

4.5

Wealth Quintile

 Q1(Lowest)

1186

19.3

1032

15.8

1442

20.7

1099

16.7

2628

20

2131

16.3

 Q2

1239

20.1

1198

18.4

1365

19.6

1176

17.9

2604

19.9

2374

18.1

 Q3

1268

20.6

1342

20.6

1373

19.7

1341

20.4

2641

20.1

2684

20.5

 Q4

1271

20.7

1530

23.5

1412

20.3

1529

23.2

2683

20.5

3059

23.4

 Q5(Highest)

1186

19.3

1417

21.7

1372

19.7

1432

21.8

2558

19.5

2849

21.8