Relationships between the EQ-5D-Y index values and family environment

	N	Coefficient	Standard error	P value
(a) Social security payment
Intercept		0.927	0.009	< 0.001
Age		0.000	0.001	0.837
Sex		0.001	0.003	0.850
Social security payment
Currently	12	− 0.023	0.026	0.376
Previously	13	− 0.013	0.028	0.631
None	3609	–	–	–
(b) Stress
Intercept		0.947	0.011	< 0.001
Age		0.000	0.001	0.732
Sex		0.001	0.003	0.778
Stress or worries
Very much	295	− 0.072	0.010	< 0.001
Somewhat	2437	− 0.022	0.006	0.001
Hardly	773	− 0.007	0.007	0.282
None	129	–		–
(c) Happiness level
Intercept		0.931	0.009	< 0.001
Age		0.000	0.001	0.647
Sex		0.000	0.003	0.903
Happiness level
7–10	3135	–		–
4–6	457	− 0.036	0.020	0.026
1–3	42	− 0.045	0.006	< 0.001
(d) Breakfast
Intercept		0.867	0.021	< 0.001
Age		0.001	0.001	0.292
Sex		0.000	0.003	0.892
Breakfast with family members
Every day	3317	0.057	0.019	0.003
4–6 days per week	148	0.033	0.021	0.112
1–3 days per week	94	0.034	0.022	0.129
None	75	–		–
(e) Bedtime
Intercept		0.899	0.010	< 0.001
Age		0.003	0.001	< 0.001
Sex		0.001	0.004	0.710
Bedtime
< 10:00 p.m.	1275	–		–
10:00 p.m. < = <11:00 p.m.	1211	− 0.006	0.004	0.129
11:00 p.m. < = <0:00 p.m.	807	− 0.021	0.006	< 0.001
0:00 p.m. < = <1:00 a.m.	282	− 0.028	0.008	< 0.001
1:00 a.m. <=	59	− 0.080	0.019	<0.001