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Table 2 Characteristics of participants by SCD-Q9 scorea

From: U-shaped association between sleep duration and subjective cognitive complaints in Chinese elderly: a cross-sectional study

Variables

Groups

Overall score of SCD-Q9

Overall memory function and time comparison score

Daily activity ability score

Median(Q1,Q3)

P

Median(Q1,Q3)

P

Median(Q1,Q3)

P

Age (years)

≤ 70

3.00(1.00,5.00)

< 0.001

2.00(1.00,3.00)

< 0.001

1.0(0.00,2.50)

< 0.001

> 70

4.50(2.50,6.00)

 

3.00(1.00,4.00)

 

1.5(0.50,2.50)

 

Gender

Male

3.00(1.00,5.00)

< 0.001

2.00(0.00,3.00)

< 0.001

1.00(0.00,1.50)

< 0.001

Female

4.50(2.50,6.00)

 

3.00(1.00,4.00)

 

2.50(0.50,2.50)

 

Residence

Community

3.00(1.00,5.00)

< 0.001

3.00(1.00,4.00)

< 0.001

1.00(0.00,1.50)

< 0.001

Nursing home

5.50(3.50,6.50)

 

3.00(2.00,4.00)

 

2.00(1.00,2.50)

 

Education level

Primary school or lower

5.50(3.50,6.50)

< 0.001

3.00(2.00,4.00)

0.001

2.00(1.00,3.00)

< 0.001

Junior high school

3.50(1.00,6.00)

 

3.00(1.00,4.00)

 

1.00(0.00,2.50)

 

Senior high school

3.50(1.00,5.50)

 

3.00(1.00,4.00)

 

1.00(0.00,2.00)

 

College or higher

4.00(1.50,5.50)

 

3.00(1.00,4.00)

 

1.00(0.125,2.00)

 

Cohabitation

Married/Cohabitant

3.50(1.00,5.50)

< 0.001

3.00(1.00,4.00)

< 0.001

1.00(0.00,2.00)

< 0.001

Widowed/separated/single

5.00(2.50,6.50)

 

3.00(1.00,4.00)

 

1.50(1.00,2.50)

 

Monthly income (yuan)

< 3500

3.50(1.00,6.00)

0.009

2.00(0.00,4.00)

0.001

1.50(0.50,2.50)

0.025

3500 to 5999

4.00(1.50,5.50)

 

3.00(1.00,4.00)

 

1.00(0.00,2.00)

 

≥ 6000

5.00(3.00,6.00)

 

2.00(1.00,4.00)

 

1.50(0.50,2.50)

 

Current smoking

Yes

1.50(0.00,3.75)

< 0.001

1.00(0.00,4.00)

< 0.001

0.50(0.00,1.50)

< 0.001

No

4.00(2.00,6.00)

 

3.00(1.00,4.00)

 

1.50(0.50,2.50)

 

Alcohol consumption

Yes

2.50(0.50,4.50)

0.002

1.00(0.00,3.00)

0.009

0.50(0.00,1.50)

0.003

No

4.00(1.50,6.00)

 

3.00(1.00,4.00)

 

1.50(0.50,2.50)

 

Tea-drinking habit

Yes

3.00(1.00,5.50)

< 0.001

2.00(0.00,4.00)

< 0.001

1.00(0.00,2.00)

< 0.001

No

4.50(2.00,6.00)

 

3.00(1.00,4.00)

 

1.50(0.50,2.50)

 

Exercise frequency

Hardly

4.00(1.00,6.00)

0.960

3.00(1.00,4.00)

0.924

1.00(0.375,2.50)

0.910

Occasionally

4.00(1.00,6.50)

 

3.00(1.00,4.00)

 

1.00(0.00,2.50)

 

Frequently

4.00(1.50,5.50)

 

3.00(1.00,4.00)

 

1.50(0.50,2.00)

 

BMI (kg/m2)

<  18.5

5.50(3.00,6.50)

0.043

3.00(1.00,4.00)

0.154

1.50(1.00,2.50)

0.026

18.5 to 24

4.00(1.50,6.00)

 

3.00(1.00,4.00)

 

1.00(0.50,2.375)

 

≥ 24

4.00(1.50,5.50)

 

3.00(1.00,4.00)

 

1.00(0.25,2.00)

 

Napping habit

Yes

4.50(1.50,6.00)

0.002

3.00(1.00,4.00)

< 0.001

1.50(0.25,2.50)

0.030

No

3.00(1.00,5.00)

 

2.00(1.00,3.00)

 

1.00(0.00,2.00)

 

Hypertension

Yes

4.00(1.87,6.00)

0.250

3.00(1.00,4.00)

0.165

1.00(0.00,2.125)

0.576

No

3.50(1.00,6.00)

 

3.00(1.00,4.00)

 

1.5(0.50_,2.125)

 

Diabetes

Yes

4.50(2.00,6.00)

0.166

3.00(1.00,4.00)

0.241

1.50(0.50,2.50)

0.200

No

4.00(1.50,5.50)

 

3.00(1.00,4.00)

 

1.00(0.50,2.00)

 

Depression symptoms

Yes

5.50(4.00, 7.00)

< 0.001

4.00(3.00,4.00)

< 0.001

2.00(1.00,3.00)

< 0.001

No

3.50(1.00,5.50)

 

3.00(1.00,4.00)

 

1.00(0.00,2.00)

 

Anxiety symptoms

Yes

6.00(4.50,7.00)

< 0.001

4.00(2.00,4.00)

0.002

2.00(1.50,3.50)

< 0.001

No

4.00(1.50,5.50)

 

3.00(1.00,4.00)

 

1.00(0.50,2.00)

 
  1. Q1 Lower Quartile, Q3 Upper Quartile, SCD-Q9 9-items subjective cognitive decline questionnaire, BMI Body mass index
  2. aData were statistically analyzed using the Mann-Whitney U test and Kruskal-Wallis test
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BMC Psychiatry

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