Table 4.

Ordered logistic regression analysis for being in the high vs. medium/low and high/medium vs. low categories of Adherence to Mediterranean Diet (AMD), by considering the variables alone (univariate analysis) or together (multivariate analysis).

	Univariate analysis		Multivariate analysis
Variables	OR (95% CI)	p value	OR (95% CI)	p value
Sex
Female	Ref.		Ref.
Male	0.351 (0.277–0.444)	< 0.001	0.418 (0.325–0.536)	< 0.001
Age groups
17–40 years	Ref.		Ref.
> 40 years	0.595 (0.492–0.719)	< 0.001	0.807 (0.660–0.986)	0.036
Education
≤ 13 years	Ref.		-	-
> 13 years	1.334 (1.118–1.593)	0.001	-	-
Occupation
Non-workers/Students	Ref.		Ref.
Unemployed	0.607 (0.386–0.954)	0.031	0.614 (0.390–0.969)	0.036
Part-time workers	0.570 (0.422–0.768)	< 0.001	0.596 (0.440–0.808)	< 0.01
Full-time workers	0.463 (0.370–0.580)	< 0.001	0.580 (0.459–0.733)	< 0.001
Adherence to special diet
None	Ref.		Ref.
Celiac disease	1.353 (0.730–2.508)	0.337	1.188 (0.639–2.211)	0.585
Food allergy	0.902 (0.489–1.663)	0.741	0.848 (0.456–1.578)	0.603
Lactose intolerance	1.208 (0.872–1.674)	0.255	1.095 (0.787–1.524)	0.589
Vegans/vegetarians	4.927 (3.338–7.273)	< 0.001	4.266 (2.876–6.326)	< 0.001
Religious reasons	0.438 (0.099–1.933)	0.276	0.336 (0.075–1.512)	0.155

OR, Odds ratio; CI, Confidence interval; Ref., Reference category.