Table 1. Sample characteristics of the primary care coronary heart disease register patients.

		No depressive disorder (CIS-R) (n=698)	Depressive disorder (CIS-R) (n=32)	P value
Female		201 (28.8%)	13 (40.6%)	0.151
Age, years (mean, SD)		71.44 (10.44)	65.28 (10.81)	0.001
Married		454 (65.0%)	17 (54.8%)	0.245
Employed		128 (18.4%)	10 (32.3%)	0.053
Current chest pain		287 (41.1%)	27 (84.4%)	<0.001
IMD score (mean, SD)		19.75 (13.96)	24.16 (13.25)	0.0803
PHQ-9 score (mean, SD)		3.60 (4.23)	14.84 (5.32)	<0.001
PHQ categorical algorithm	Other depression	82 (11.6%)	11 (34.4%)	<0.001
	Major depression	33 (4.7%)	19 (59.4%)
HADS-D score (mean, SD)		2.84 (2.99)	8.06 (3.44)	<0.001