Seasonality in depressive and anxiety symptoms among primary care patients and in patients with depressive and anxiety disorders; results from the Netherlands Study of Depression and Anxiety

Table 10 Melancholic symptoms of the IDS: regression model with groups and model with seasons

Main Effects	B	SE	LB	UB	β	p	B	SE	LB	UB	β	p
Intercept	1.56	0.15	1.28	1.84		< 0.01*	1.42	0.22	0.98	1.86		< 0.01*
HC (reference)
MDD	6.65	0.31	6.04	7.27	.71	< 0.01*	6.64	0.31	6.03	7.26	.70	< 0.01*
AAD	2.94	0.31	2.34	3.53	.32	< 0.01*	2.94	0.31	2.34	3.54	.31	< 0.01*
MDD + AAD	-1.71	0.45	-2.58	-0.84	-.17	< 0.01*	-1.71	0.45	-2.58	-0.83	-.17	< 0.01*
Summer (reference)
Autumn							0.19	0.26	-0.33	0.71	.02	0.47
Winter							0.20	0.28	-0.35	0.75	.02	0.48
Spring							0.18	0.28	-0.37	0.72	.02	0.52

ISSN: 1471-244X