Table 2. Hazard ratio (95% confidence intervals) of incident stroke according to baseline depression status and numbers of depression symptoms.

Variables	No. of subjects	PYs of follow-up	Incident strokes	Incidence rate (per 1000 PYs)	Model 1	Model 2
MDE
No	484 389	3 407 861	27 440	8.05	1.00	1.00
Yes	2988	21 947	183	8.34	1.14 (0.98-1.31)	1.15 (0.99-1.33)
No. of depression symptoms
0-2	484 389	3 407 861	27 440	8.05	1.00	1.00
3	475	3471	25	7.20	0.92 (0.62-1.36)	0.99 (0.67-1.47)
4	603	4424	32	7.23	0.97 (0.69-1.38)	1.01 (0.71-1.43)
5	741	5490	41	7.47	1.01 (0.75-1.37)	1.01 (0.74-1.37)
6	719	5251	53	10.09	1.37 (1.05-1.79)	1.33 (1.01-1.74)
7	450	3311	32	9.66	1.47 (1.04-2.08)	1.47 (1.04-2.08)
P for trend					0.010	0.011

Model 1: Adjusted for age and sex.

Model 2: Model 1 plus adjustment for marital status, household income, education, region, smoking status, alcohol consumption, physical activity, BMI, history of hypertension and history of diabetes.

MDE indicates major depressive episodes; and PYs indicates person-years.