Table 3.

GAD-2 regression coefficients.

Model		Unstandardized coefficients		Standardized coefficients	Significance	95% confidence interval for beta
		Beta	Standard error	Beta	p-value	Lower bound	Upper bound
1	(Constant)	2.26	0.11		< 0.001	2.06	2.47
	Pre-GAD-2 sum	0.54	0.04	0.45	< 0.001	0.46	0.62
2	(Constant)	1.40	0.19		< 0.001	1.04	1.77
	Pre-GAD-2 sum	0.58	0.04	0.49	< 0.001	0.50	0.66
	Age × gender	0.01	0.00	0.19	< 0.001	0.01	0.02
3	(Constant)	1.45	0.19			1.09	1.81
	Pre-GAD-2 sum	0.59	0.04	0.50	< 0.001	0.51	0.67
	Age × gender	0.01	0.00	0.14	< 0.001	0.00	0.02
	Gender × child	0.25	0.08	0.12	0.003	0.09	0.42