Table 3: Types of nutritional supplements by gender and age group ( 𝑛 = 1 8 6 ). CI: confidence interval. No missing data.

Types of nutritional supplementsGenderAge group (years)
MenWomen203030404050

Performance supplements cluster
 Percentage (n)54.5 (73)1.9 (1)42.0 (50)46.0 (23)5.9 (1)
 Odd ratio (95% CI)1.0000.016 (0.0020.122)1.0001.176 (0.6052.285)0.086 (0.0110.672)
P <0.0010.010

Vitamins/minerals cluster
 Percentage (n)23.9 (32)46.2 (24)28.6 (34)28.0 (14)47.1 (8)
 Odd ratio (95% CI)1.0002.732 (1.3925.363)1.0000.972 (0.4662.026)2.222 (0.7926.238)
P 0.0030.278

Weight/fat loss supplements cluster
 Percentage (n)20.9 (28)5.8 (3)21.8 (26)6.0 (3)11.8 (2)
 Odd ratio (95% CI)1.0000.232 (0.0670.799)1.0000.228 (0.0660.793)0.477 (0.1022.221)
P 0.0130.035

Alertness/energy supplements cluster
 Percentage (n)25.4 (34)9.6 (5)25.2 (30)14.0 (7)11.8 (2)
 Odd ratio (95% CI)1.0000.313 (0.1150.851)1.0000.483 (0.1961.187)0.396 (0.0851.831)
P 0.0180.163

Soy and sports bar cluster
 Percentage (n)11.2 (15)17.3 (9)15.1 (18)8.0 (4)11.8 (2)
 Odd ratio (95% CI)1.0001.660 (0.6774.072)1.0000.488 (0.1561.523)0.748 (0.1573.554)
P 0.2640.447

Natural supplements cluster
 Percentage (n)13.4 (18)63.5 (33)18.5 (22)34.0 (17)70.6 (12)
 Odd ratio (95% CI)1.00011.193 (5.27823.737)1.0002.271 (1.0774.789)10.582 (3.38033.131)
P <0.001<0.001

Protein powder
 Percentage (n)55.2 (74)0 (0)43.7 (52)40.0 (20)11.8 (2)
 Odd ratio (95% CI)1.0000.0001.0000.859 (0.4391.682)0.172 (0.0380.785)
P <0.0010.042

Casein protein
 Percentage (n)3.0 (4)0 (0)2.5 (3)0.05.9 (1)
 Odd ratio (95% CI)1.0000.0001.0000.0002.417 (0.23724.659)
P 0.2080.316

Whey protein
 Percentage (n)41.0 (55)9.6 (5)31.9 (38)38.0 (19)17.6 (3)
 Odd ratio (95% CI)1.0000.153 (0.0570.409)1.0001.306 (0.6562.602)0.457 (0.1241.685)
P <0.0010.298

Antioxidants
 Percentage (n)3.0 (4)7.7 (4)1.7 (2)8.0 (4)11.8 (2)
 Odd ratio (95% CI)1.0002.708 (0.65111.260)1.0005.087 (0.90128.731)7.800 (1.02259.529)
P 0.1560.051