Table 11.

Multiple regression analysis models (stepwise method) with the cytology categories (TIR2, TIR3a, TIR3b vs. TIR4/TIR5) as a dependent variable to estimate the predictive value of sex, lifestyle characteristics, BMI categories, PREDIMED scores, and each item included in PREDIMED questionnaire.

Parameters	Multiple regression analysis
	R2	β	t	*p-value
Model 1
PREDIMED score	0.626	−0.792	−25.55	<0.001
Smoking	0.664	0.224	6.70	<0.001
BMI categories	0.669	0.104	2.63	0.009
Model 2
PREDIMED score	0.626	−0.792	−25.55	<0.001
Use of extra virgin olive oil as main culinary lipid	0.639	−0.144	−4.24	<0.001
Red/processed meats <1/day	0.653	−0.142	−4.12	<0.001

PREDIMED, Prevención con Dieta Mediterránea; BMI, Body mass index. ^*A significant difference (p < 0.05).