Table 4. Odds ratios (OR) and 95% confidence intervals (CI) of oral and pharyngeal cancer among 768 cases and 2078 controls according to the Mediterranean Diet Score (MDS), the Mediterranean Dietary Pattern Adherence Index (MDP), and the Mediterranean Adequacy Index (MAI) in strata of selected covariates. Italy and Switzerland, 1997–2009.

		OR (95% CI)a
	Cases/controls	MDSb	MDPc	MAIb
Age
<60	431/1090	0.67 (0.61–0.73)d	0.25 (0.18–0.34)d	0.76 (0.62–0.93)d
⩾60	337/988	0.80 (0.73–0.87)	0.43 (0.32–0.58)	0.99 (0.86–1.12)
Sex
Men	593/1368	0.73 (0.68–0.79)	0.29 (0.23–0.38)	0.94 (0.81–1.09)
Women	175/710	0.72 (0.64–0.81)	0.45 (0.30–0.67)	0.77 (0.59–1.01)
Education (years)
<7	143/379	0.85 (0.74–0.97)d	0.75 (0.49–1.17)d	1.06 (0.95–1.18)d
⩾7	625/1689	0.70 (0.65–0.75)	0.25 (0.19–0.32)	0.74 (0.61–0.88)
Tobacco smoking
Never smoker	115/1031	0.87 (0.78–0.98)d	0.59 (0.39–0.92)d	0.84 (0.63–1.10)d
Current smoker	514/566	0.73 (0.65–0.83)	0.42 (0.29–0.63)	1.02 (0.87–1.19)
Ex-smoker	134/478	0.64 (0.58–0.71)	0.22 (0.16–0.30)	0.79 (0.65–0.97)
Body mass index (kg m−2)
<25	454/887	0.70 (0.64–0.76)	0.32 (0.24–0.43)	0.91 (0.76–1.08)
⩾25	314/1191	0.76 (0.70 0.84)	0.33 (0.25–0.45)	0.89 (0.74–1.07)

^aEstimates from logistic regression model adjusted for sex, quinquennia of age, study center, year of interview, education, tobacco smoking, body mass index, and total energy intake.

^bOR for an increase of 1 unit.

^cOR for an increase of 10 units.

^dP for heterogeneity <0.05.