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Table 1 The difference between self-reported and measured (SR-DM) height, weight, BMI, and WC by sociodemographic factors in Jiangsu, China

From: Accuracy of self-reported height, weight, and waist circumference in a general adult Chinese population

 

Height (cm)

Weight (kg)

BMI (kg/m2)

WC (cm)

n

Mean

95 % CI

n

Mean

95 % CI

n

Mean

95 % CI

n

Mean

95 % CI

Total

 

5037

1.1

1.0,1.2

5867

−0.1

−0.2,0.0

4829

−0.4

−0.5,-0.3

3269

−1.5

−1.7,-1.3

Sex

Men

2377

1.1

0.9,1.2

2645

−0.1

−0.2,0.1

2278

−0.4

−0.4,-0.3

1285

−0.9

−1.2,-0.5

Women

2660

1.2

1.1,1.3

3222

−0.1

−0.2,0.1

2551

−0.4

−0.5,−0.4

1984

−1.9

−2.1,−1.7

 

P value

0.098

0.882

0.13

<0.001

Age group (years)

18–29

569

0.5

0.4,0.7

594

−0.4

−0.8,0.1

534

−0.3

−0.5,−0.1

292

−1.2

−1.8,−0.6

30–39

661

0.7

0.5,0.9

704

−0.6

−0.8,−0.3

637

−0.4

−0.5,−0.3

426

−1.9

−2.4,−1.5

40–49

1221

0.9

0.8,1.0

1389

−0.1

−0.3,0.2

1169

−0.3

−0.4,−0.2

837

−1.9

−2.3,−1.5

50–59

1271

1.2

0.9,1.4

1512

0.0

−0.2,0.1

1224

−0.4

−0.5,−0.3

851

−1.2

−1.5,−0.9

60–69

893

1.6

1.4,1.8

1134

0.2

0.0,0.4

863

−0.5

−0.5,−0.4

598

−1.4

−1.9,−0.9

70~

422

2.3

1.9,2.7

534

0.3

−0.2,0.7

402

−0.6

−0.9,−0.4

265

−1.0

−1.6,−0.3

 

P value

< 0.001

0.002

0.025

0.015

Locations

Urban

3982

1.2

1.1,1.3

4223

−0.2

−0.3,−0.1

3875

−0.4

−0.5,−0.4

2592

−1.3

−1.5,−1.1

Rural

1055

1.0

0.8,1.2

1644

0.3

0.0,0.5

954

−0.2

−0.4,−0.1

677

−2.2

−2.7,−1.7

 

P value

0.078

< 0.001

0.003

0.001

Education

Primary

1495

1.4

1.2,1.7

2107

0.2

0.0,0.4

1392

−0.4

−0.5,−0.4

1027

−1.7

−2.1,−1.4

Secondary

2994

1.1

1.0,1.2

3218

−0.1

−0.3,0.0

2902

−0.4

−0.5,−0.3

1927

−1.5

−1.7,−1.2

University

548

0.6

0.4,0.8

542

−0.7

−1.0,−0.4

535

−0.4

−0.5,−0.3

315

−0.9

−1.4,−0.4

 

P value

0.347

< 0.001

0.545

0.037

Household income level

Low

1034

1.3

1.1,1.4

1392

0.3

0.0,0.6

962

−0.3

−0.5,−0.2

652

−1.6

−2.0,−1.1

Moderate

2550

1.1

0.9,1.2

2911

−0.1

−0.3,0.0

2450

−0.4

−0.5,−0.3

1633

−1.6

−1.9,−1.4

High

1453

1.1

1.0,1.3

1564

−0.3

−0.4,−0.1

1417

−0.4

−0.5,−0.4

984

−1.2

−1.5,−0.9

 

P value

0.319

0.002

0.338

0.125

  1. Abbreviations: BMI body mass index, WC waist circumference, CI confidence interval, SR self-reported, DM directly measured