Table 5.

Crude and adjusted odds ratios for P gingivalis IgG and memory tests. Delayed verbal memory (impaired <4/9 possible points)

	Models for delayed verbal memory OR (95% CI)
P gingivalis IgG (EU)	Crude	Model 1	Model 2	Model 3
(≤57) [reference]	1	1	1	1
(58–65)	1.43 (0.67–3.03)	1.40 (0.64–3.09)	1.04 (0.43–2.50)	1.82 (0.88–3.75)
(66–119)	2.03 (0.80–5.18)	1.94 (0.69–5.41)	1.54 (0.49–4.81)	2.60 (0.91–7.46)
(>119)	2.89 (1.14–7.29)	3.23 (1.19–8.79)	1.81 (0.56–5.85)	3.01 (1.06–8.53)
p Trend	0.045	0.01	0.45	0.22

Crude, association of P gingivalis IgG and cognitive test; Model 1, additionally adjusted for age, sex and education; Model 2, additionally adjusted for race, insurance and income; Model 3, additionally adjusted for history of diabetes mellitus, hypertension, smoking, congestive heart failure, coronary artery disease, stroke and C reactive protein.