Table 5. Linear Mixed Regression Model Exploring Association Between Weight Category and HRQOL by Gender^a.

	CHU-9D Utility Score
	Boys						Girls
	UK Tariff			Chinese Tariff			UK Tariff			Chinese Tariff
	Mean Diff	95% CI	P Value	Mean Diff	95% CI	P Value	Mean Diff	95% CI	P Value	Mean Diff	95% CI	P Value
Age (months)	0.001	0.000, 0.002	0.03b	0.001	0.000, 0.003	0.02b	0.001	0.000, 0.002	0.02b	0.001	0.000, 0.003	0.01b
Weight
Underweight/ healthy weight
Overweight/obese	-0.004	-0.007, 0.016	0.44	0.003	-0.011, 0.021	0.56	0.008	-0.007, 0.021	0.31	0.007	-0.013, 0.027	0.49
Mother’s university education
No	—
Yes	-0.001	-0.021, 0.013	0.97	-0.003	-0.014, 0.021	0.72	-0.001	-0.011, 0.013	0.98	-0.002	-0.019, 0.014	0.75
Father’s university education
No
Yes	-0.003	-0.017, 0.016	0.54	-0.004	-0.021, 0.015	0.71	-0.002	-0.014, 0.012	0.77	-0.004	-0.012, 0.022	0.62

Abbreviation: Mean Diff, mean difference.

^a Measured by CHU-9D, adjusting for potential confounders.

^b Significant at P=0.05.