Table 3.

Hazard ratios (HR) for incident AD dementia in relation to low performance on the hearing tests

	At Risk	Follow-up person-years	Events	Incidence*	Unadjusted		Adjusted†
Severe CAD	N		n		HR	95% CI	HR	95% CI
DSI
≥ 50% correct	230	600.9	7	11.6	1.0	Reference	1.0	Reference
< 50% correct	44	90.3	14	155.0	9.1	3.4, 24.5	9.9	3.6, 26.7
DDT
≥50% correct	247	631.0	16	25.4	1.0	Reference	1.0	Reference
< 50% correct	27	60.2	5	83.1	2.1	0.7, 6.4	2.2	0.7, 7.0
SSI-CCM
≥50% correct	216	558.7	12	21.5	1.0	Reference	1.0	Reference
< 50% correct	58	132.5	9	67.9	1.5	0.5, 4.4	2.1	0.7, 6.6
Moderate CAD
DSI
≥ 80% correct	143	377.0	3	8.0	1.0	Reference	1.0	Reference
< 80% correct	131	314.2	18	57.3	5.7	1.7, 19.9	6.8	1.9, 24.1
DDT
≥80% correct	127	338.1	2	5.9	1.0	Reference	1.0	Reference
< 80% correct	147	353.1	19	53.8	6.6	1.5, 28.9	7.0	1.6, 31.0
SSI-CCM
≥80% correct	151	393.0	5	12.7	1.0	Reference	1.0	Reference
< 80% correct	123	298.2	16	53.7	2.3	0.8, 6.8	2.5	0.9, 7.5

Incidence per 1000 person-years

^†Adjusted for education