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Table 2 Comparison of basic characteristics the study population was classified with or without SCD and SCD-related FL

From: Vision impairment, hearing impairment and functional Limitations of subjective cognitive decline: a population-based study

Variable level

Without SCD (N=146,377)

SCD, without SCD-related FL (N=9182)

SCD, with SCD-related FL (N=6524)

p value

No.

W % (95%CI)

No.

W% (95%CI)

No.

W% (95%CI)

Age group

      

<0.001

45-64

74,686

62.1(61.5,62.7)

3401

48.3(45.9,50.7)

3826

67.4(64.6,70.0)

 

65-74

43,966

23.7(23.2,24.2)

2877

27.3(25.3,29.3)

1470

18.5(16.3,20.8)

 

≥75

27,725

14.1(13.8,14.5)

2904

24.5(22.4,26.7)

1228

14.1(12.1,16.4)

 

Sex

      

<0.001

Men

67,362

49.7(49.1,50.4)

4565

48.6(46.2,51.0)

2704

43.7(41.0,46.4)

 

Women

79,015

50.3(49.6,50.9)

4617

51.4(49.0,53.8)

3820

56.3(53.6,59.0)

 

Race

      

<0.001

White, NH

120,09

72.5(71.8,73.2)

7929

79.1(76.8,81.3)

4801

63.3(60.4,66.1)

 

Black, NH

10,454

11.5(11.0,11.9)

491

8.2(7.0,9.6)

743

14.4(12.7,16.2)

 

Multiracial, NH

5599

5.0(4.5,5.6)

280

3.5(2.6,4.7)

324

5.6(4.4,7.1)

 

Hispanic

2442

0.9(0.9,1.0)

152

0.9(0.7,1.3)

167

2.0(1.3,2.9)

 

Other, NH

7783

10.1(9.6,10.6)

330

8.2(6.5,10.4)

489

14.7(12.2,17.7)

 

Marital status

      

<0.001

Married

84,119

62.1(61.4,62.7)

4834

55.5(53.1,57.9)

2348

40.7(38.0,43.5)

 

Other

62,258

37.9(37.3,38.6)

4348

44.5(42.1,46.9)

4176

59.3(56.5,62.0)

 

BMI

      

<0.001

Underweight

1917

1.2(1.1,1.4)

130

1.4(0.9,2.0)

151

3.4(2.4,5.0)

 

Normal Weight

39,791

25.4(24.8,25.9)

2410

25.3(23.2,27.5)

1546

22.3(19.9,24.7)

 

Overweight

54,833

38.2(37.6,38.8)

3363

36.8(34.5,39.2)

1955

29.9(27.5,32.3)

 

Obese

49,836

35.2(34.6,35.8)

3279

36.5(34.3,38.8)

2872

44.4(41.7,47.2)

 

Educational level

      

<0.001

Less than high school graduate

7784

10.3(9.8,10.8)

540

11.7(10.1,13.6)

1006

27.0(24.3,29.9)

 

High school graduate/some college

77,910

57.2(56.6,57.9)

5190

60.8(58.5,63.1)

4156

59.4(56.6,62.1)

 

College graduate

60,683

32.4(31.9,33.0)

3452

27.5(25.6,29.5)

1362

13.7(12.2,15.3)

 

Income level

      

<0.001

<15,000

11,106

7.7(7.4,8.1)

856

10.3(8.7,12.2)

1811

30.1(27.4,32.8)

 

15000-25000

21,360

14.2(13.7,14.6)

1734

19.0(17.1,21.0)

1964

29.2(26.9,31.7)

 

25000-35000

14,737

9.4(9.1,9.8)

1159

12.7(11.1,14.5)

820

11.7(10.2,13.3)

 

35000-50000

20,756

13.2(12.8,13.7)

1526

14.6(13.3,16.1)

705

10.1(8.7,11.8)

 

≥50,000

78,418

55.4(54.8,56.1)

3907

43.4(41.0,45.7)

1224

18.9(16.8,21.2)

 

Smoking status

      

<0.001

Yes

18,151

13.6(13.1,14.0)

1237

15.8(14.3,17.5)

1858

31.8(29.4,34.4)

 

No

128,22

86.4(86.0,86.9)

7945

84.2(82.5,85.7)

4666

68.2(65.6,70.6)

 

Binge drinkers

      

0.826

Yes

14,359

11.3(10.8,11.7)

888

11.8(10.3,13.5)

582

11.2(9.3,13.4)

 

No

132,01

88.7(88.3,89.2)

8294

88.2(86.5,89.7)

5942

88.8(86.6,90.7)

 

Exercise

      

<0.001

Yes

108,75

73.5(72.9,74.1)

6224

65.2(62.9,67.5)

3223

47.9(45.2,50.7)

 

No

37,623

26.5(25.9,27.1)

2958

34.8(32.5,37.1)

3301

52.1(49.3,54.8)

 

Any chronic disease

      

<0.001

Yes

51,271

33.2(32.6,33.8)

4529

49.6(47.2,52.0)

4060

62.6(59.9,65.1)

 

No

95,106

66.8(66.2,67.4)

4653

50.4(48.0,52.8)

2464

37.4(34.9,40.1)

 

Independent variable

      

<0.001

NSI

126,37

87.9(87.5,88.3)

6565

71.9(69.6,74.1)

3771

58.4(55.6,61.0)

 

HI

12,875

7.3(7.0,7.6)

1746

19.0(16.9,21.2)

1138

15.7(13.8,17.9)

 

VI

5369

3.8(3.6,4.1)

565

6.5(5.4,7.9)

983

17.1(15.1,19.3)

 

DI

1760

1.0(0.9,1.1)

306

2.6(2.1,3.2)

632

8.8(7.5,10.4)

 
  1. SCD, subjective cognitive decline, FL, functional limitations, NO., number, W %, Weight%, CI, confidence interval, NH, non-Hispanic, NSI, no sensory impairment, HI, hearing impairment, VI, vision impairment, DI, dual impairment
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