Table 4.

Multivariable-adjusted linear regression models for the association between a Principal Component Analysis (PCA)-derived dietary patterns with plasma α- and γ-tocopherol levels and dietary α-tocopherol intake.

α-Tocopherol
Overall (n = 641)	Dietary Pattern 1			Dietary Pattern 2			Dietary Pattern 3
	β Estimate	SE	p Value	β Estimate	SE	p Value	β Estimate	SE	p Value
α-tocopherol, µmol/L *,†	−0.007	0.008	0.415	−0.026	0.015	0.089	0.015	0.008	0.077
α-tocopherol/cholesterol ratio, µmol/mmol *,†	−0.006	0.009	0.508	−0.020	0.016	0.207	0.015	0.009	0.087
Dietary α-tocopherol intake (FFQ), mg/day †	0.72 ‡	0.68, 0.75	<0.0001	−0.18 ‡	−0.25, −0.10	0.002	0.32 ‡	0.24, 0.39	<0.0001
Non vitamin E supplement users (n = 593)
α-tocopherol, µmol/L *,§	−0.003	0.009	0.712	−0.032	0.016	0.047	0.015	0.009	0.097
α-tocopherol/cholesterol ratio, µmol/mmol *,§	−0.002	0.009	0.790	−0.025	0.016	0.135	0.014	0.009	0.112
Dietary α-tocopherol intake (FFQ), mg/day §	0.71 ‡	0.67, 0.75	<0.0001	−0.16 ‡	−0.24, −0.08	0.0001	0.34 ‡	0.27, 0.41	<0.0001
γ-Tocopherol
Overall (n = 641)
γ-tocopherol, µmol/L *,†	0.006	0.019	0.759	−0.013	0.036	0.715	0.027	0.019	0.165
γ-tocopherol/cholesterol ratio, µmol/mmol *,||	0.007	0.019	0.715	−0.004	0.036	0.920	0.024	0.019	0.216
Non vitamin E supplement users (n = 593)
γ-tocopherol, µmol/L *,§	0.004	0.020	0.844	0.004	0.036	0.906	0.022	0.019	0.262
γ-tocopherol/cholesterol ratio, µmol/mmol *,¶	0.005	0.020	0.790	0.014	0.036	0.695	0.018	0.019	0.352

SE: Standard Error; FFQ: Food frequency questionnaire. * Log transformed values. ^† Adjustment for: sex, age, triglycerides, HDL-cholesterol, LDL-cholesterol, vitamin E supplementation, total energy intake. ^‡ Spearman correlation coefficient with 95% Confidence Interval. ^§ Adjustment for all the covariates in model ^† excluding vitamin E supplementation. ^|| Adjustment for: sex, age, triglycerides, LDL-cholesterol, vitamin E supplementation, total energy intake. ^¶ Adjustment for all the covariates in model ^|| excluding vitamin E supplementation.