Table 3. Association of Oral Infections With Carotid Artery Intima-Media Thickness in 2007.

Sign of Oral Infection	Dependent Variable: Third Tertile of Mean IMT in 2007, RR (95% CI)
	All Participants					Boys					Girls
	Age- and Sex-Adjusted	P Value	Multivariatea	P Value	Age-Adjusted		P Value	Multivariatea	P Value	Age-Adjusted		P Value	Multivariatea	P Value
Bleeding on probing and periodontal pockets
Either	1.19 (0.96-1.48)	.12	1.21 (0.97-1.50)	.09	1.65 (1.19-2.29)		.003	1.69 (1.21-2.36)	.002	0.95 (0.70-1.28)		.73	0.96 (0.71-1.30)	.79
Both	1.23 (0.97-1.46)	.08	1.25 (0.99-1.59)	.06	1.81 (1.03-2.10)		.001	1.81 (1.28-2.57)	.001	0.90 (0.63-1.27)		.54	0.93 (0.65-1.31)	.67
Caries and fillings
Either	1.50 (1.13-1.97)	.004	1.42 (1.07-1.88)	.01	1.54 (1.11-2.15)		.01	1.46 (1.04-2.05)	.02	1.40 (0.90-2.18)		.14	1.25 (0.79-1.97)	.35
Both	1.54 (1.16-2.03)	.003	1.46 (1.10-1.94)	.009	1.56 (1.11-2.17)		.01	1.49 (1.05-2.63)	.02	1.47 (0.94-2.30)		.09	1.30 (0.82-2.08)	.27
No. of signs of oral infections
0	1 [Reference]		1 [Reference]		1 [Reference]			1 [Reference]		1 [Reference]			1 [Reference]
1-3	1.82 (1.22-2.73)	.004	1.74 (1.16-2.62)	.008	1.84 (1.08-3.13)		.02	1.75 (1.02-3.00)	.04	1.73 (0.96-3.14)		.06	1.59 (0.86-2.91)	.14
4	2.04 (1.35-3.09)	.001	1.95 (1.28-3.00)	.002	2.43 (1.42-4.15)		.001	2.25 (1.30-3.89)	.004	1.61 (0.86-3.00)		.14	1.51 (0.80-2.85)	.20

Abbreviations: IMT, intima-media thickness; RR, risk ratio.

^aIn addition to age and sex, the multivariate models were adjusted for cumulative exposure to the risk factors (1980-2007) and covariates were collected in 2007 (ie, family income and smoking). The results were corrected for selection bias owing to missing data by using the inverse probability weighting. Total participants: 489 (n = 218 boys; n = 271 girls).