Table 3.

Logistic regression model on DS use

	Vitamins		Minerals		Nutritional supplements		All dietary supplements
Characteristic	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
Sex
Men (2002)	1		1		1		1
Men (2009)	1		1		1		1
Women (2002)	1.32	0.85-2.06	2.13	1.36-3.33	0.54	0.35-0.83	0.92	0.55-1.55
Women (2009)	2.30	1.42-3.72	2.24	1.36-3.68	0.58	0.37-0.91	1.21	0.72-2.02
Age (yr)
Under 21 (2002)	1		1		1		1
Under 21 (2009)	1		1		1		1
21-24 (2002)	1.28	0.76-2.16	1.54	0.91-2.62	1.34	0.80-2.23	1.19	0.63-2.27
21-24 (2009)	1.66	0.95-2.90	1.16	0.63-2.14	2.47	1.40-4.34	1.90	0.97-3.70
Over 24 (2002)	0.86	0.51-1.46	1.63	0.95-2.80	0.92	0.55-1.54	0.70	0.38-1.30
Over 24 (2009)	6.77	3.22-14.23	2.15	1.14-4.07	4.43	2.31-8.50	3.18	1.38-7.33
Type of sport
Team Sport (2002)	1		1		1		1
Team Sport (2009)	1		1		1		1
Speed and power (2002)	4.67	2.56-8.52	3.85	1.90-7.82	2.76	1.55-4.91	3.37	1.50-7.57
Speed and power (2009)	3.71	2.02-6.81	2.83	1.60-5.03	2.25	1.25-4.05	3.65	1.89-7.03
Endurance (2002)	6.50	3.40-12.42	6.56	3.03-14.2	2.15	1.25-3.72	3.30	1.48-7.32
Endurance (2009)	3.13	1.54-6.36	5.98	3.38-10.58	2.11	1.06-4.20	6.73	2.60-17.48
Skill-based (2002)	1.26	0.71-2.22	1.25	0.53-2.94	0.29	0.16-0.55	0.46	0.25-0.85