Table 4. Factors influencing the intake of supplements in the study population (logistic regression).

		OR	CI 95%		p
Fat (%)		0.964	0.90	1.04	0.322
Education level*	Low (Ref.)				0.165
	Medium	0.36	0.13	1.04	0.048
	High	0.62	0.25	1.58	0.317
Group sport	No(Ref.)
	Yes	2.59	0.95	7.03	0.052
Period of season	Pre-season (reference)				0.397
	Competition	1.18	0.36	3.87	0.781
	Recovery/Transition	1.88	0.68	5.16	0.222
Smoker	Yes (Ref.)
	No	4.20	0.91	19.48	0.047
Ex-smoker	Yes (Ref.)	0.37	0.13	1.04	0.050
	No
Dietary regime	Often (Ref.)				0.221
	Sometimes	1.43	0.26	7.86	0.680
	Once	0.41	0.04	4.42	0.460
	Never	2.52	0.94	6.78	0.048
“Light” products	Yes (Ref.)				0.739
	No	1.26	0.50	3.21	0.627
	Sometimes	0.87	0.35	2.12	0.754
Comprehension of nutritionalinformation on the label	Yes (Ref.)				0.632
	No	0.75	0.32	1.75	0.501
	Sometimes	0.55	0.15	2.07	0.378

Reference: yes to supplementation

* low = primary schooling; medium = secondary schooling/vocational diploma, high = university studies.