Table 3.

Multiple Regression Analysis of Oxidation, Glycation, and Carbamylation of Salivary and Plasma Proteins, Lipids, and DNA

		β1: Age			β2: Sex
		Estimate	95% CI	p-value	Estimate	95% CI	p-value
Saliva	Total thiols level	−0.4503	−0.5855 - −0.3151	< 0.0001	−1.344	−8.958–6.27	0.728
	Protein carbonyls level	0.02077	0.01454–0.027	< 0.0001	0.06285	−0.2879–0.4136	0.7241
	MGO level	0.008252	0.002732–0.01377	0.0036	0.03345	−0.2773–0.3442	0.8321
	CML level	0.6253	0.4453–0.8053	< 0.0001	12.34	2.204–22.47	0.0173
	AGE level	0.01658	0.01334–0.01982	< 0.0001	0.2036	0.02129–0.3859	0.0288
	CBL level	0.01539	0.01067–0.02012	< 0.0001	−0.1421	−0.4083–0.124	0.2934
	4-HNE level	0.01584	0.01141–0.02026	< 0.0001	−0.05109	−0.3003–0.1981	0.6863
	8-OHdG level	0.02196	0.01783–0.02608	< 0.0001	−0.154	−0.3862–0.07826	0.1924
Plasma	Total thiols level	−0.1152	−0.1491 - −0.08128	< 0.0001	−0.2048	−2.115–1.706	0.8327
	Protein carbonyls level	0.09016	0.0628–0.1175	< 0.0001	−0.08927	−1.63–1.452	0.9091
	MGO level	0.09579	0.0738–0.1178	< 0.0001	0.5817	−0.6561–1.82	0.355
	CML level	0.9321	0.6263–1.238	< 0.0001	3.591	−13.63–20.81	0.6812
	AGE level	0.01235	0.009662–0.01505	< 0.0001	−0.055	−0.2066–0.0966	0.475
	CBL level	0.06489	0.04654–0.08325	< 0.0001	−1.139	−2.173 - −0.106	0.0309
	4-HNE level	0.03569	0.02855–0.04283	< 0.0001	−0.01329	−0.4153–0.3887	0.948
	8-OHdG level	0.02633	0.02141–0.03125	< 0.0001	−0.02482	−0.302–0.2523	0.8599

Abbreviations: AGE, advanced glycation end products; CBL, carbamyl-lysine; CI, confidence interval; CML, N^ε-(carboxymethyl) lysine; MGO, methylglyoxal adducts; 4-HNE, 4-hydroxynonenal protein adducts; 8-OHdG, 8-hydroxy-2’-deoxyguanosine.