Research Article
Intake of Nutritional Supplements among People Exercising in Gyms
in Beirut City
Table 3
Types of nutritional supplements by gender and age group (). CI: confidence interval. No missing data.
| | Types of nutritional supplements | Gender | | Age group (years) | | | Men | Women | 20‐30 | 30‐40 | 40‐50 |
| | Performance supplements cluster | | | | | | | Percentage (n) | 54.5 (73) | 1.9 (1) | 42.0 (50) | 46.0 (23) | 5.9 (1) | | Odd ratio (95% CI) | 1.000 | 0.016 (0.002‐0.122) | 1.000 | 1.176 (0.605‐2.285) | 0.086 (0.011‐0.672) | | P | <0.001 | 0.010 |
| | Vitamins/minerals cluster | | | | | | | Percentage (n) | 23.9 (32) | 46.2 (24) | 28.6 (34) | 28.0 (14) | 47.1 (8) | | Odd ratio (95% CI) | 1.000 | 2.732 (1.392‐5.363) | 1.000 | 0.972 (0.466‐2.026) | 2.222 (0.792‐6.238) | | P | 0.003 | 0.278 |
| | 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) | 1.000 | 0.232 (0.067‐0.799) | 1.000 | 0.228 (0.066‐0.793) | 0.477 (0.102‐2.221) | | P | 0.013 | 0.035 |
| | 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) | 1.000 | 0.313 (0.115‐0.851) | 1.000 | 0.483 (0.196‐1.187) | 0.396 (0.085‐1.831) | | P | 0.018 | 0.163 |
| | 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) | 1.000 | 1.660 (0.677‐4.072) | 1.000 | 0.488 (0.156‐1.523) | 0.748 (0.157‐3.554) | | P | 0.264 | 0.447 |
| | Natural supplements cluster | | | | | | | Percentage (n) | 13.4 (18) | 63.5 (33) | 18.5 (22) | 34.0 (17) | 70.6 (12) | | Odd ratio (95% CI) | 1.000 | 11.193 (5.278‐23.737) | 1.000 | 2.271 (1.077‐4.789) | 10.582 (3.380‐33.131) | | 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) | 1.000 | 0.000 | 1.000 | 0.859 (0.439‐1.682) | 0.172 (0.038‐0.785) | | P | <0.001 | 0.042 |
| | Casein protein | | | | | | | Percentage (n) | 3.0 (4) | 0 (0) | 2.5 (3) | 0.0 | 5.9 (1) | | Odd ratio (95% CI) | 1.000 | 0.000 | 1.000 | 0.000 | 2.417 (0.237‐24.659) | | P | 0.208 | 0.316 |
| | Whey protein | | | | | | | Percentage (n) | 41.0 (55) | 9.6 (5) | 31.9 (38) | 38.0 (19) | 17.6 (3) | | Odd ratio (95% CI) | 1.000 | 0.153 (0.057‐0.409) | 1.000 | 1.306 (0.656‐2.602) | 0.457 (0.124‐1.685) | | P | <0.001 | 0.298 |
| | Antioxidants | | | | | | | Percentage (n) | 3.0 (4) | 7.7 (4) | 1.7 (2) | 8.0 (4) | 11.8 (2) | | Odd ratio (95% CI) | 1.000 | 2.708 (0.651‐11.260) | 1.000 | 5.087 (0.901‐28.731) | 7.800 (1.022‐59.529) | | P | 0.156 | 0.051 |
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