Table 2.

Cox regression models (with hazard ratios (HRs) and 95% confidence interval (CI)) for incident hospital diagnosis of dementia among men and women in Sweden with diagnoses of AF and aged ≥ 45 years; patients with an earlier known hospital episode of dementia before AF diagnosis were excluded; Calculation of population attributable fraction (PAF) of socio-economic factors for incident dementia in men and women with atrial fibrillation

	Men					Women
	Per cent	HR	95% CI	PAF (%)	95% CI	Percent	HR	95% CI	PAF (%)	95% CI
Educational level (> 12 years ref)
≤ 9 years	49.6	1.23	1.18–1.29	9.3	7.6; 11.2	58.2	1.36	1.30–1.42	15.4	13.4; 17.2
10–12 years	31.7	1.17	1.11–1.19	4.6	3.1; 5.7	26.2	1.28	1.22–1.34	5.7	4.7; 6.6
Marital status (married ref)
Unmarried	6.5	0.88	0.82–0.94	– 0.9	− 1.4; -0.4	5.3	1.03	0.96–1.11	0.2	− 0.2; 0.5
Divorced	11.6	1.07	1.01–1.13	0.8	0.1; 1.3	11.6	1.12	1.06–1.18	1.2	0.7; 1.8
Widowed	16.0	0.84	0.80–0.88	– 3.0	− 4.0; -2.2	49.1	1.01	0.97–1.05	0.5	− 1.5; 2.3
Neighbourhood deprivation level (medium ref)
Low	12.2	1.12	1.06–1.18	1.3	0.7; 1.9	10.6	1.18	1.12–1.24	1.6	1.1; 2.1
High	12.6	1.11	1.05–1.17	1.2	0.6; 1.8	12.5	1.01	0.96–1.06	0.1	− 0.5; 0.7
Unknown	28.8	1.67	1.60–1.76	11.6	10.8; 12.4	32.8	1.78	1.71–1.86	14.4	13.6; 15.2

Models shown are adjusted for age, all other socio-demographic factors and co-morbidity. Bold values denote statistically significant values