Table 4. Adjusted mean differences in Child Health Utility 9D (CHU9D) utility scores.

	Dependent Variable: CHU9D utility scores, standard gambling method			Dependent Variable: CHU9D utility scores, best worst scaling method
	(1)	(2)	(3)	(4)	(5)	(6)
Physical activity level: medium	0.009			0.010
	[0.009]			[0.012]
Physical activity level: high	0.023**			0.029**
	[0.011]			[0.014]
Homework hours in the last 7 days		−0.019***			−0.021***
		[0.004]			[0.005]
Sleep duration hours in the last 7 days			0.032***			0.040***
			[0.004]			[0.005]
Age	−0.007***	−0.005**	−0.001	−0.012***	−0.009***	−0.004
	[0.003]	[0.003]	[0.003]	[0.003]	[0.003]	[0.003]
Gender: Male	0.014*	0.014*	0.008	0.022**	0.023**	0.016*
	[0.007]	[0.007]	[0.007]	[0.009]	[0.009]	[0.009]
Parental education	−0.007	−0.006	−0.006	−0.000	0.000	0.001
	[0.009]	[0.009]	[0.008]	[0.011]	[0.011]	[0.011]
No. of Students	815	815	815	815	815	815
No. of Schools	5	5	5	5	5	5

Standard errors in brackets.

***p<0.01,

**p<0.05,

*p<0.1. The reference level for physical activity is the low level.