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Table 2 Accuracy of parent-reported weight and height among preschool children: comparing parental measurements with parental estimates

From: Validity of parent-reported weight and height of preschool children measured at home or estimated without home measurement: a validation study

Reporting method used by parents

Parent reported

Index Measured

Difference

P*

ICC

 

Mean (SD)

Mean (SD)

Mean (SD)

 

Intraclass correlation

95% CI

Weight (kg) (weight was estimated) (n = 71)

18.4

(3.8)

19.2

(3.7)

-0.75

(2.4)

0.009

0.793

(0.677-0.869)

Weight (kg) (weight was measured) (n = 204)

18.2

(3.4)

18.8

(3.5)

-0.60

(1.0)

< 0.001

0.942

(0.864-0.969)

Height (cm) (height was estimated) (n = 94)

109.0

(8.0)

108.7

(7.3)

+0.27

(4.7)

0.578

0.811

(0.728-0.870)

Height (cm) (height was measured) (n = 183)

109.2

(8.3)

109.0

(7.9)

+0.17

(2.5)

0.370

0.951

(0.935-0.963)

BMI (kg/m²) (weight and/or height were estimated) (n = 104)

15.3

(2.2)

15.9

(1.7)

-0.56

(2.0)

< 0.006

0.456

(0.288-0.596)

BMI (kg/m²) (weight and height were measured) (n = 162)

15.2

(1.4)

15.8

(1.5)

-0.55

(1.1)

< 0.001

0.671

(0.485-0.783)

  1. * According to the Paired samples t-test
  2. ICC: Intraclass correlation coefficient