Table 3.

Association between income level and ischemic stroke risk

	All participants		Participants living with partner
	Low income*	High income	Low income*	High income
No.	5 285	2 802	2 436	2 414
No. of strokes	68	58	30	51
Hazard ratio (95%CI)
Adjusted for age, sex and educational level	1	1.68 (1.15–2.47)	1	1.67 (1.04–2.67)
Adjusted for biological risk factors†	1	1.72 (1.17–2.53)	1	1.72 (1.08–2.76)
Adjusted for behavioral risk factors‡	1	1.75 (1.19–2.58)	1	1.69 (1.05–2.73)
Adjusted for medication§	1	1.69 (1.15–2.49)	1	1.65 (1.03–2.64)
Fully adjusted||	1	1.77 (1.20–2.61)	1	1.71 (1.06–2.74)

Note: all hazard ratios are adjusted for age, sex and education level

^*baseline category

^†include high blood pressure, atrial fibrillation, diabetes and hypercholesterolaemia

^‡include smoking, alcohol consumption and overweight

^§include antihypertensive and aspirin

^||include all risk factors and medication use