Table 1

Results of univariate linear regression

	Unstandardised coefficients	Significance	95.0% CI for B
	B	Significance	Lower bound	Upper bound
AGE	−0.004	0.59	−0.02	0.01
L5-stream	0.50	<0.001	0.49	0.51
L3-stream	0.50	<0.001	0.49	0.51
L5-all	0.64	<0.001	0.63	0.65
L3-all	0.60	<0.001	0.59	0.61
DH-all	1.00	<0.001	0.97	1.02
DH-stream	0.99	<0.001	0.97	1.02
Majors	2.25	<0.001	1.41	3.08
Minors	−0.54	0.21	−1.39	0.31
Paeds	−2.64	<0.001	−3.67	−1.61
Weekend	9.65	<0.001	8.73	10.56
Daytime	−18.02	<0.001	−18.85	−17.20
Evening	11.57	<0.001	10.55	12.58
Night	15.37	<0.001	14.36	16.39