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Table 2 Comparison of mean (SD) and median (IQR) for CHU-9D-CHN and PedsQL scores according to respondent characteristics

From: An assessment of the construct validity of the Child Health Utility 9D-CHN instrument in school-aged children: evidence from a Chinese trial

 

Number (%)

CHU-9D utility, UK tariff

CHU-9D utility, Chinese tariff

PedsQL total score

Mean (SD), median (IQR)

Mean (SD), median (IQR)

Mean (SD), Median (IQR)

Gender

    

Male

831 (54.0)

0.932 (0.072), 0.952 (0.897–1.000)

0.914 (0.098), 0.939 (0.873–1.000)

82.29 (11.72), 83.69 (75.00–91.30)

Female

708 (46.0)

0.943 (0.063), 0.963 (0.909–1.000)

0.927 (0.089), 0.955 (0.881–1.000)

83.66 (10.54), 85.86 (77.17–91.30)

p-value*

 

0.003*

0.004*

0.06

Mother’s university education

    

Yes

963 (62.6)

0.936 (0.068), 0.956 (0.903–1.000)

0.920 (0.091), 0.943 (0.876–1.000)

82.58 (11.29), 83.69 (76.08–91.30)

No

576 (37.4)

0.938 (0.068), 0.963 (0.903–1.000)

0.921 (0.099), 0.952 (0.874–1.000)

83.49 (11.07), 85.86 (77.17–91.30)

p-value*

 

0.27

0.42

0.08

Mother education level

    

1 School education

296 (19.2)

0.937 (0.070), 0.963 (0.895–1.000)

0.921 (0.096), 0.953 (0.870–1.000)

83.06 (11.18), 85.86 (76.08–91.30)

2 Occupation college

280 (18.2)

0.940 (0.067), 0.963 (0.907–1.000)

0.919 (0.102), 0.945 (0.879–1.000)

83.95 (10.96), 85.86 (78.26–91.30)

3 University undergraduate education

847 (55.1)

0.937 (0.068), 0.958 (0.903–1.000)

0.920 (0.091), 0.943 (0.876–1.000)

82.58 (11.37), 83.69 (76.08–91.30)

4 University postgraduate education

116 (7.5)

0.932 (0.070), 0.952 (0.901–1.000)

0.919 (0.092), 0.942 (0.885–1.000)

82.59 (10.71), 84.23 (75.00–89.13)

p-value**

 

0.27

0.36

0.19

Father’s university education

    

Yes

1005 (65.3)

0.936 (0.068), 0.955 (0.902–1.000)

0.920 (0.091), 0.943 (0.876–1.000)

82.90 (11.06), 84.78 (76.08–91.30)

No

534 (34.7)

0.939 (0.069), 0.963 (0.904–1.000)

0.921 (0.100), 0.955 (0.876–1.000)

82.97 (11.51), 85.86 (76.08–91.30)

p-value*

 

0.17

0.38

0.61

Father education level

    

1 School education

247 (16.2)

0.931 (0.075), 0.963 (0.892–1.000)

0.911 (0.110), 0.943 (0.864–1.000)

82.27 (11.65), 83.69 (75.00–91.30)

2 Occupation college

287 (18.6)

0.946 (0.062), 0.963 (0.915–1.000)

0.928 (0.090), 0.955 (0.882–1.000)

83.57 (11.36), 85.86 (76.08–92.39)

3 University undergraduate education

824 (53.5)

0.937 (0.067), 0.960 (0.903–1.000)

0.921 (0.090), 0.943 (0.877–1.000)

83.11 (11.14), 84.78 (76.08–91.30)

4 University postgraduate education

181 (11.7)

0.932 (0.072), 0.952 (0.897–1.000)

0.916 (0.096), 0.943 (0.870–1.000)

81.91 (10.65), 83.69 (76.08–89.13)

p-value**

 

0.42

0.63

0.53

Weight status groups

    

Underweight

75 (4.9)

0.942 (0.067), 0.963 (0.908–1.000)

0.923 (0.092), 0.938 (0.873–1.000)

82.47 (12.06), 85.86 (72.82–92.39)

Healthy weight

1189 (77.2)

0.936 (0.069), 0.962 (0.900–1.000)

0.919 (0.095), 0.943 (0.876–1.000)

82.84 (11.13), 83.69 (76.08–91.30)

Overweight

165 (10.7)

0.941 (0.064), 0.963 (0.909–1.000)

0.925 (0.086), 0.955 (0.874–1.000)

83.18 (11.65), 85.86 (76.08–91.30)

Obese

110 (7.2)

0.939 (0.071), 0.962 (0.914–1.000)

0.921 (0.096), 0.943 (0.890–1.000)

83.69 (10.94), 86.95 (77.17–91.30)

p-value**

 

0.73

0.89

0.29

Weight status groups

    

Underweight/healthy weight

1264 (82.1)

0.936 (0.069), 0.963 (0.901–1.000)

0.919 (0.095), 0.943 (0.875–1.000)

82.82 (11.18), 83.69 (76.08–91.30)

Overweight/Obese

275 (17.9)

0.940 (0.067), 0.964 (0.909–1.000)

0.923 (0.090), 0.944 (0.876–1.000)

83.38 (11.35), 85.86 (76.08–91.30)

p-value**

 

0.38

0.66

0.27

  1. IQR inter-quartile range, SD standard deviation
  2. *Kruskal–Wallis test
  3. **Non-parametric test for trend